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Issue 11 | 2023<br />

www.epp-europe.eu<br />

Electronics<br />

Production &<br />

Test<br />

Trade Show + Events<br />

Productronica 2023 to<br />

foreground AI, power electronics<br />

» Page 14<br />

PCB + Assembly<br />

Why no-code and low-code tools<br />

are vital to robotics solutions<br />

» Page 48<br />

Test + Quality<br />

Assurance<br />

How AI is revolutionising<br />

AOI & AXI systems<br />

» Page 52<br />

Interview<br />

The road to<br />

sustainability with<br />

Guenter Lauber,<br />

ASMPT<br />

» Page 7<br />

COVER STORY<br />

SMT at its best<br />

AI-based process<br />

controls for<br />

Industry 4.0<br />

» Page 16<br />

Ahead with Koh Young’s Process Optimizer


Buy your ticket now!<br />

productronica.com/ticket<br />

Accelerating Your Innovation.<br />

co-located event


» EDITORIAL<br />

Dear readers,<br />

Waste not, want not…<br />

The news that German chipmaker Infineon is heading a <strong>Europe</strong>an research<br />

project focusing on reducing e-waste (page 10) will come as no surprise<br />

to an industry in which efficiency has long been king. Our cover feature<br />

(page 16) reveals how inspection-based process control tools could save<br />

you both time and resources. And can Marie Kondo-ing your benchtop<br />

reduce the number of boards landing on the scrap pile? Find out more on<br />

page 44.<br />

THE ONE.<br />

FOR<br />

EVERYONE.<br />

The VERSAFLOW ONE – Your Entry<br />

into Selective Soldering Excellence.<br />

Labour-saving digitalization?<br />

We typically view automation solutions as digital replacements for human<br />

operators, but could increased digitalization actually help companies<br />

attract more talented personnel (page 30)? If robotics is more your thing,<br />

don’t overlook the advantages of no-code and low-code software<br />

solutions (page 48).<br />

The future of electronics production<br />

“The next paradigm shift will be in the area of software. And artificial<br />

intelligence will be the driver,” says Andreas Tuerk in the article on page<br />

52. The organizers of this year’s Productronica event agree (page 14). AI,<br />

automation, and the growing significance of power electronics will be<br />

front and centre in Munich in November.<br />

Don‘t forget to visit our website (epp-europe.eu) to stay up to date with<br />

the latest industry news and trends.<br />

See you in Munich, Booth A2.281<br />

Sophie Siegmund<br />

Online Editor <strong>EPP</strong> <strong>Europe</strong><br />

redaktion.eppe@konradin.de<br />

Follow us:<br />

LinkedIn:<br />

bit.ly/36aMJh1<br />

Twitter:<br />

@<strong>EPP</strong>magazine<br />

VERSAFLOW<br />

ONE F-Series<br />

already from € 97.500 *<br />

Your Entry into the<br />

VERSAFLOW world<br />

• Highest quality and services<br />

• Short delivery time<br />

• Future-proof technology & sustainable<br />

investment<br />

• Fast start-up & intuitive operation<br />

• Quick & easy program setup<br />

• High throughput<br />

• 10 % energy savings<br />

• Award-winning user interface<br />

*excluding VAT/FCA Wertheim<br />

Meet us at<br />

in hall A4, booth 171!<br />

GLOBAL. AHEAD. SUSTAINABLE.<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 3


» CONTENTS 11 | 2023 29. YEAR OF PUBLICATION<br />

Koh Young<br />

highlights the<br />

importance of<br />

integrating IPC<br />

communication<br />

standards into its<br />

tools<br />

COVER STORY<br />

AI-based<br />

process<br />

controls for<br />

Industry 4.0<br />

» Page 16<br />

Source: Koh Young<br />

NEWS & HIGHLIGHTS<br />

Industry News<br />

Heraeus Electronics to partner in joint ‘KuSIn’ project 6<br />

EU launches risk assessments of critical technologies 6<br />

Interview<br />

Guenther Lauber, ASMPT<br />

The road to sustainability 7<br />

Industry News<br />

New platform to raise awareness robotics advantages 10<br />

Infineon heads EU project for ‘greener’ electronics industry 10<br />

CEA & Siemens to collaborate on digital twin capabilities 11<br />

TSMC to build semiconductor factory in Dresden, Germany 12<br />

Kamic Group acquires SmartRep 12<br />

IPC: Eurozone economy grows 0.3% in Q2 2023 13<br />

TRADE SHOWS & EVENTS<br />

Shaping the future of electronics production<br />

Productronica 2023 to foreground AI, power electronics 14<br />

COVER STORY<br />

Get ahead with real time inspection<br />

AI-based process controls for Industry 4.0 (Koh Young) 16<br />

PCB & ASSEMBLY<br />

Moving beyond manual ID methods<br />

Applying IMSs in lighting and power conversion (Ventec) 22<br />

Product Updates – PCB + Assembly 25<br />

Full traceability in hand soldering<br />

Laser labelling in electronics manufacturing (Altus) 26<br />

Transforming labour shortages into business advantages<br />

Address staffing challenges using digitalization (Siemens) 30<br />

Experiment & analysis of QFN assemblies<br />

Minimizing voiding in SMT assembly of BTCs (Indium) 34<br />

White paper: ‘flying’ SMD components - part two<br />

Combatting the ‘flying’ components phenomenon (Rehm) 38<br />

Product Updates – PCB + Assembly 43<br />

5S lean manufacturing methodology in PCB production<br />

Improve benchtop cleaning, reduce waste (MicroCare) 44<br />

Implementing robots in a time and cost-efficient manner<br />

Why no-code/low-code tools are vital in robotics (ArtiMinds) 48<br />

Product Updates – PCB + Assembly 51<br />

TEST & QUALITY ASSURANCE<br />

Achieving autonomous inspection<br />

How AI is revolutionising AOI and AXI systems (Goepel) 52<br />

Product Updates – Test + Quality Assurance 55<br />

Verifying board mechanical stress on flying probe<br />

Programmer tool for flying prober (Seica) 56<br />

COLUMNS<br />

Editorial 3<br />

Imprint/List of advertisers 58<br />

4 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


The NEXT<br />

EVOLUTION<br />

of SOLDER<br />

Single software solutions automatically generate code and are able to<br />

transfer teach points from the robot back into the software, allowing for<br />

seamless integration of robotic solutions into existing commissioning and<br />

maintenance processes.<br />

» Page 48<br />

Source: Artiminds<br />

Patented technology<br />

®<br />

Excellent DROP<br />

SHOCK reliability in<br />

LOW-TEMPERATURE<br />

APPLICATIONS<br />

Productronica 2023<br />

14 – 17 November,<br />

Munich<br />

15% * energy savings<br />

*Dependent on process<br />

The world’s leading trade fair for<br />

electronics development and<br />

production will foreground AI and,<br />

automation alongside overarching<br />

topics such as the shortage of skilled<br />

workers and sustainability.<br />

Enhanced THERMAL<br />

CYCLING performance<br />

Superior VOIDING<br />

performance<br />

Visit <strong>EPP</strong> <strong>Europe</strong> at Booth A2.281<br />

Learn more:<br />

indium.com/<strong>EPP</strong>DLTENG<br />

Visit us at Productronica:<br />

Booth A4.309<br />

©2023 Indium Corporation<br />

FOLLOW US:<br />

LinkedIn:<br />

bit.ly/36aMJh1<br />

Twitter:<br />

@<strong>EPP</strong>magazine<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 5


» NEWS & HIGHLIGHTS<br />

Electromobility & power electronics applications<br />

Heraeus Electronics to partner in joint ‘KuSIn’ project<br />

Source: Heraeus Electronics<br />

Provider of material solutions for electronics packaging<br />

Heraeus Electronics is one of five partners taking<br />

part in the three-year project ‘KuSIn – Copper sinter<br />

processes using induction heating for electromobility<br />

applications’, funded by the German Federal Ministry<br />

of Economic Affairs & Climate Action (BMWK), and<br />

launched in July 2023. The other participants are: Vitesco<br />

Technologies, Chemnitz University of Technology<br />

and Fraunhofer Institutes ENAS and IMWS.<br />

The project aims to develop pastes, tools, machines, and<br />

processes for inductive sintering of copper particles for<br />

(multi-)die and substrate attach (the technical terms<br />

for chip and substrate assembly on the circuit carrier) in<br />

electromobility, and related power electronics applications.<br />

Copper will replace silver as a joining material.<br />

Energy-efficient inductive heating will be used to address<br />

the higher sinter temperatures and oxidation tendency<br />

of copper. This is expected to reduce process<br />

costs and improve energy efficiency while maintaining<br />

reliability. Increased sintering of metal-ceramic substrates<br />

on heat sinks or other large-area structures<br />

could further support the spread of low-temperature<br />

sinter technology in power electronics. Heraeus will develop<br />

copper pastes and processes for inductive sintering<br />

of copper particles for die and substrate attach in<br />

power electronic assemblies.<br />

www.heraeus.com<br />

<strong>Europe</strong>an Commission launches risk assessments of critical technologies<br />

IPC urges holistic approach to include complete electronics ecosystem<br />

IPC has issued a statement in response to<br />

the <strong>Europe</strong>an Commission’s announcement<br />

that it will be carrying out risk assessments<br />

of technology areas deemed critical for the<br />

EU’s economic security. The Commission<br />

identified four technology areas that are<br />

considered highly likely to present the most<br />

sensitive and immediate risks related to<br />

technology security and technology leakage.<br />

These are: advanced semiconductors,<br />

artificial intelligence, quantum technologies<br />

and biotechnologies.<br />

It recommends Member States initially<br />

conduct collective risk assessments of<br />

these four areas by the end of this year.<br />

“We need to continuously monitor our<br />

critical technologies, assess our risk exposure<br />

and – as and when necessary – take<br />

measures to preserve our strategic interests<br />

and our security,” Commissioner for<br />

Internal Market, Thierry Breton, said. “<strong>Europe</strong><br />

is adapting to new geopolitical realities,<br />

putting an end to the era of naivety<br />

and acting as a real geopolitical power.”<br />

IPC statement<br />

In response, IPC urged the EU to consider<br />

the electronics ecosystem as a whole and<br />

emphasized the strategic importance of a<br />

robust electronics manufacturing industry<br />

in <strong>Europe</strong>. Alison James, IPC senior director<br />

of <strong>Europe</strong>an government relations,<br />

The <strong>Europe</strong>an Commission has announced it is<br />

launching risk assessments of four technology<br />

areas deemed critical for the EU’s economic<br />

security<br />

Source: EU / ec.europa.eu/commission/<br />

said: “IPC urges the <strong>Europe</strong>an Commission<br />

to address the alarming strategic dependencies<br />

in <strong>Europe</strong>an electronics<br />

manufacturing as part of and independently<br />

of the risk assessments on critical<br />

technologies ... Electronics manufacturing<br />

is central to the four critical technologies<br />

highlighted in the Commission’s proposal<br />

although key segments of electronics<br />

manufacturing in <strong>Europe</strong> have atrophied,<br />

undermining the region’s resiliency, security,<br />

and economic competitiveness.<br />

“IPC recently led a collaboration of more<br />

than 100 companies across the electronics<br />

industry to produce a report for<br />

the <strong>Europe</strong>an Commission ... The industry<br />

stakeholders ... agreed that <strong>Europe</strong> must<br />

strengthen the electronics manufacturing<br />

industry to remain on the forefront of<br />

technological innovation, compete in the<br />

global economy, and bolster resiliency<br />

against future supply chain disruptions.<br />

www.ipc.org<br />

6 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


SPECIAL<br />

Road to sustainability<br />

ASMPT just unveiled its strategy for carbon neutrality. Guenter Lauber,<br />

EVP & Chief Strategy and Digitalization Officer, and responsible for ESG<br />

in ASMPT’s management, reveals more about the company’s plans.<br />

Honesty is best policy<br />

“Anyone who makes overly general<br />

statements about sustainability<br />

will rightly have to put up with<br />

the accusation of greenwashing.”<br />

Challenge yourself<br />

“We are challenging ourselves<br />

and, at the same time, trying to<br />

live up to our responsibility as a<br />

prominent player in the industry<br />

– an industry which [reports<br />

suggest] accounts for up to four<br />

percent of global greenhouse gas<br />

emissions.”<br />

Source: ASMPT<br />

Invest in the future<br />

“Sustainable companies are redefining<br />

the business ecosystem by<br />

designing models that create value<br />

for all stakeholders, including<br />

employees, shareholders, supply<br />

chains, society, and the planet.”<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 7


TEST & QUALITY ASSURANCE » Special<br />

Interview with Guenter Lauber, ASMPT, on carbon neutrality<br />

The road to sustainability<br />

ASMPT, a global leader in hardware and software solutions for the semiconductor and<br />

electronics manufacturing industries, recently unveiled its strategy for carbon neutrality.<br />

Guenter Lauber, EVP & Chief Strategy and Digitalization Officer, responsible for<br />

ESG in ASMPT’s management, spoke to <strong>EPP</strong> <strong>Europe</strong> about the company’s plans.<br />

Our vision proclaims: “Shaping a bright &<br />

sustainable future for customers, employees,<br />

investors, partners and society”<br />

Source: ASMPT<br />

<strong>EPP</strong> <strong>Europe</strong>: We‘re pleased to hear that<br />

ASMPT aims to be carbon neutral by<br />

2035...<br />

Guenter Lauber: Wait a minute, let me<br />

stop you there and clarify that our goal is<br />

Net Zero 2035 for Scope 1 and Scope 2.<br />

This means that we want to become carbon<br />

neutral in terms of our direct<br />

emissions - from heating systems or company<br />

vehicles (Scope 1), for example, and<br />

indirect emissions from our electricity<br />

suppliers (Scope 2). As with all statements<br />

about sustainability, it is very important<br />

to be precise and transparent regarding<br />

the framework you are referring<br />

to – as we are in our ESG Reports. Anyone<br />

who makes overly general statements<br />

about sustainability will rightly have to<br />

put up with the accusation of greenwashing.<br />

Can you provide a bit more insight into<br />

ASMPT’s sustainability goals?<br />

ASMPT’s ESG strategy is based on UN<br />

SDGs 3, 4, 5, 7, 8, 9, 11, 12, and 13. But let<br />

me be a little more specific. Although<br />

sustainability and ESG are highly complex<br />

topics that affect all processes, departments,<br />

segments and regions of ASMPT,<br />

we have already made good progress in<br />

this field. In the area of governance, we<br />

have carried out our risk assessment, established<br />

our processes, and are actively<br />

meeting the requirements placed on us by<br />

governments and markets. We have published<br />

an ESG Report, in which we disclose<br />

ESG targets and results, since 2017,<br />

for instance.<br />

What is your new net-zero strategy?<br />

To achieve a CO 2<br />

-free footprint as quickly<br />

as possible, we decided some time ago to<br />

switch to solar and wind power and to<br />

save energy in all areas of the company.<br />

What is new is that we have defined a<br />

roadmap and published our commitment<br />

to a concrete goal. In so doing, we are<br />

challenging ourselves and, at the same<br />

time, wanting to live up to the responsibility<br />

we have through our prominent<br />

position in the industry – an industry<br />

which Dr. Isabel Al-Dahir, technology<br />

analyst at IDTechEx, says accounts for up<br />

to 4 percent of global greenhouse gas<br />

emissions. Regardless of how high the<br />

value really is, it is clear we must not<br />

stand still.<br />

You already mentioned that companies<br />

must focus on the sustainability goals<br />

that are most relevant to them, but that<br />

this is also determined by economic factors.<br />

How does this apply at ASMPT?<br />

Traditionally, profitability assessments<br />

have been dominated by the interests of<br />

shareholders, often at the expense of<br />

other interest groups. Sustainability initiatives<br />

were thus often rejected by the<br />

argument “no customer is going to pay us<br />

for that”. But this has changed. Not least<br />

because products that do not meet customers‘<br />

sustainability requirements will<br />

not be sold in the future. Sustainable<br />

companies are redefining the business<br />

ecosystem by designing models that create<br />

value for all stakeholders, including<br />

employees, shareholders, supply chains,<br />

society, and the planet. In terms of the<br />

environment, we have prioritized topics<br />

based on the materiality matrix. While<br />

climate change, greenhouse gas<br />

emissions, energy-efficient products and<br />

energy management are of great importance<br />

to our stakeholders, they also have a<br />

major impact on ASMPT’s business. The<br />

economic benefits of some measures are<br />

obvious: energy-efficient products are<br />

more attractive, and energy-saving<br />

measures, including generating your own<br />

energy, pay for themselves after a certain<br />

period of time. The positive impact on the<br />

recruitment of workers, especially the<br />

younger generation, is equally obvious.<br />

What is often overlooked, however, is<br />

that, according to recent reports, investors<br />

are increasingly using companies’<br />

non-financial disclosures to make investment<br />

decisions. In one meta-study, 90<br />

percent of 200 studies analyzed concluded<br />

that good ESG standards reduce<br />

8 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


the cost of capital; 88 percent show that<br />

good ESG practices lead to better operational<br />

performance, and 80 percent<br />

show that share price performance is<br />

positively correlated with good sustainability<br />

practices. The development of sustainable<br />

alternatives in products and operational<br />

processes is a driver of innovation.<br />

How exactly does ASMPT<br />

approach ESG, SDG and net-zero?<br />

Our vision proclaims: “Shaping a bright &<br />

sustainable future for customers, employees,<br />

investors, partners and society”.<br />

All employees must be able to develop<br />

awareness of ESG and sustainability issues<br />

in general, and of ASMPT’s focused<br />

activities in particular. To achieve this, we<br />

have established a central and crossfunctional<br />

Environmental, Social & Governance<br />

(ESG) Team. This global team focuses<br />

on achieving our ambitious netzero<br />

targets across all ASMPT segments.<br />

It has also defined and communicated our<br />

net-zero targets for Scopes 1 and 2. To<br />

this end, we have identified the most effective<br />

emission-reducing levers and<br />

measures, prioritized, and selected suitable<br />

and proven practices for CO 2<br />

avoidance,<br />

and provided the necessary financial<br />

resources. With a focus on our targets,<br />

these measures are reviewed and reported<br />

on every two months at each<br />

ASMPT site.<br />

What kinds of measures would those be?<br />

Measures to reduce emissions include, for<br />

example, reducing the energy demand at<br />

each of our sites by investing in new systems.<br />

Others include generating electricity<br />

from renewable sources in-house, and<br />

the electrification of vehicles. All this is<br />

supported by OpEx measures, such as the<br />

procurement of electricity from renewable<br />

energy sources and the purchase of<br />

green electricity and CO 2<br />

compensation<br />

certificates. When discussing such<br />

measures, we must consider each location<br />

separately. We cannot generate<br />

our own energy at will at all our locations,<br />

and not all our sites have providers<br />

who supply electricity from renewable<br />

sources.<br />

Can you give us a few examples of<br />

measures that have already been taken?<br />

Let me mention a few. Since 2019, we<br />

have achieved some initial success with<br />

our ESG measures and reduced CO 2<br />

emissions by 30 percent at our sites in<br />

Munich, Weymouth and Singapore. A few<br />

months ago we completed the installation<br />

of more than 1,200 solar panels at<br />

our global headquarters in Singapore.<br />

Solar panels are also already in use in<br />

Weymouth, UK, and in Huizhou, China.<br />

You mentioned that your Net Zero 2035<br />

program applies to Scope 1 and Scope 2<br />

of the Greenhouse Gas Protocol. What<br />

are your plans for Scope 3?<br />

Scope 3 refers to indirect emissions resulting<br />

from activities along the supply<br />

chain. This includes pollutant emissions<br />

which result from purchased goods and<br />

services, the use of products by customers,<br />

and the transportation of goods to<br />

customers – all highly complex issues.<br />

ASMPT has started to define the basics of<br />

Scope 3 emissions, such as those from the<br />

use of our products, whose energy efficiency<br />

is an issue that has long been close<br />

to our hearts. We are in the process of<br />

measuring Scope 3 emissions so that we<br />

will be able to set Scope 3 targets and reduction<br />

pathways. But reducing Scope 3<br />

emissions is not possible without cooperation<br />

across the industry. This is one of<br />

the reasons we launched the Semiconductor<br />

Climate Consortium (SCC) in<br />

November 2022 as a Leadership Level<br />

founding member. The SCC is the first<br />

global consortium of semiconductor companies<br />

that focuses on reducing greenhouse<br />

gas emissions. We hope that the<br />

consortium will empower each member<br />

to make an impact that goes far beyond<br />

its individual capabilities to combat climate<br />

change.<br />

Finally, what advice would you give to<br />

colleagues in the industry who are still<br />

in the very early stages of ESG?<br />

In a few words: do not be deterred by<br />

tasks that may seem complex at first.<br />

Educate yourself and identify possible<br />

starting points for your company. Just get<br />

started and take it one step at a time.<br />

Even if some measures seem like a drop in<br />

the ocean, we know many drops add up<br />

to the ocean.<br />

Mr. Lauber, we thank you for this interview.<br />

Productronica, Booth A3.377<br />

www.asmpt.com<br />

Source: UN<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 9


» NEWS & HIGHLIGHTS<br />

International Federation of Robotics - addressing labour shortages<br />

Online platform to raise awareness of advantages of robotics<br />

Source: International Federation of Robotics<br />

The International Federation of Robotics (IFR) has<br />

launched a new online platform called Go4Robotics<br />

to raise awareness of the advantages of robotics and<br />

provide independent guidance for companies on<br />

their automation journey.<br />

“Labour shortage has become one of the most pressing<br />

challenges for small and mid-sized enterprises<br />

(SME) in OECD countries,” the IFR said. “The manufacturing<br />

sector has been hit especially hard by high<br />

job vacancy rates. Since robots are becoming easier<br />

to install, implement and operate, SMEs have greater<br />

access to automation.”<br />

“The lack of skilled labour is a strong driver for automation<br />

in many countries,” said Dr Susanne Bieller, IFR´s<br />

General Secretary. “In fact, statistics from the EU say that<br />

three quarters of all companies across the EU have a<br />

problem attracting workers with the required skills.”<br />

Given a choice, many young people prefer to work in<br />

a company that uses future technology. If there is a<br />

robot operating on the shopfloor, the employer can<br />

advertise a job to prospective employees as work<br />

that involves controlling a robot. This can often be a<br />

game-changer.<br />

The new online platform by IFR raises awareness of<br />

the many advantages robotics provide. Small and<br />

mid-sized enterprises can find educational content<br />

and an automation checklist. Experts on the platform<br />

dispel myths about segments that are relatively new<br />

to automation, and managers can learn how to<br />

benefit from trends like easy-to-program robots.<br />

www.ifr.org<br />

<strong>Europe</strong>an EECONE project to reduce e-waste<br />

Infineon to head EU research project for ‘greener’ electronics industry<br />

German semiconductor manufacturer<br />

Infineon Technologies has taken over as<br />

head and coordinator of the research project<br />

EECONE (<strong>Europe</strong>an ECOsystem for<br />

greeN Electronics), which aims to drive<br />

sustainability in the <strong>Europe</strong>an electronics<br />

industry by reducing e-waste. 49 partners<br />

are participating in the EUR 35 million<br />

project. EUR 20 million will be provided<br />

by the EU and the governments of the<br />

partners. The research project was inaugurated<br />

on 20 September 2023 in Toulouse,<br />

France and will run for three years.<br />

Project aims<br />

The goal of EECONE is to dramatically reduce<br />

the consumption of valuable resources<br />

in electronics production. To<br />

achieve this, the project aims to research<br />

more efficient methods of recycling, repairing,<br />

and reconditioning electronic<br />

components, as well as exploring alternative<br />

materials. The project will also<br />

focus on minimizing non-recyclable<br />

Source: Infineon<br />

49 partners<br />

from 16 <strong>Europe</strong>an<br />

countries<br />

are taking part<br />

in the threeyear<br />

project<br />

waste and enhancing recycling systems.<br />

“Electronics are fundamental to improving<br />

the sustainability of many applications.<br />

But this is not sufficient, electronics<br />

themselves have to become<br />

greener,” said Constanze Hufenbecher, Infineon<br />

Management Board member and<br />

Chief Digital Transformation Officer. “Infineon<br />

is pleased to take on the lead role<br />

in the research project EECONE in order<br />

to advance the circular economy together<br />

with our partners along the value chain.<br />

The only way to achieve sustainability<br />

from design and use and all the way to<br />

recycling is by working together.”<br />

Applications in various sectors, including<br />

automotive, consumer electronics, health,<br />

information and communication, aviation,<br />

and agriculture, will be investigated.<br />

Key focus areas include reducing<br />

material usage by making circuit boards<br />

thinner or smaller and introducing materials<br />

that are easier to separate during<br />

recycling.<br />

The project will also look at ways to facilitate<br />

the replacement of circuit board<br />

and semiconductors to make it easier to<br />

repair devices and make it possible to<br />

reuse and recycle electronic components.<br />

The research will also look at developing<br />

technologies which generate and store<br />

power in IoT devices. Tools for more sustainable<br />

electronic design, including<br />

comprehensive impact assessments for<br />

the use of electronics, are also planned.<br />

www.infineon.com<br />

10 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Expanding digital twin applications for industry<br />

CEA and Siemens to collaborate to advance digital twin capabilities<br />

Siemens Digital Industries Software and<br />

CEA-List, technological research institute<br />

focused on smart digital systems research,<br />

have signed a memorandum of<br />

understanding to collaborate on research<br />

to further extend and enhance digital<br />

twin capabilities with AI and explore<br />

greater integration of embedded software<br />

on both virtual and hybrid platforms.<br />

This brings together the two organizations’<br />

combined tools and expertise to help break<br />

down the barriers between electronics design,<br />

software development and mechanical<br />

engineering disciplines using digital<br />

twin technologies. This is expected to help<br />

customers to significantly reduce the time<br />

and cost of verification and validation and<br />

to drive significant improvements in product<br />

quality and accelerate time to market<br />

across the full electronics systems product<br />

lifecycle. Alongside this, the research will<br />

further explore the use of digital twin<br />

technologies for autonomous driving,<br />

smart robotics and health domains.<br />

“With the strong increase in electronics<br />

and software content of products and<br />

systems, there is a clear need for multidomain,<br />

multi-fidelity system simulation<br />

solutions to relieve multiple design and<br />

verification challenges,” said Jean-Marie<br />

Brunet, VP&GM of Hardware Assisted<br />

Verification Division, Siemens Digital Industries<br />

Software. “We share a vision<br />

with CEA of an even more comprehensive<br />

Digital Twin and believe we can implement<br />

this vision through the power of the<br />

Siemens Xcelerator portfolio because it<br />

covers everything from Electronic Design<br />

Automation software and hardware tools<br />

to system, sensors and multi-physics<br />

simulation software,” “From chip-to-system,<br />

this collaboration with CEA-List is<br />

“There is a clear need for multi-domain, multifidelity<br />

system simulation solutions to relieve<br />

multiple design and verification challenges. We<br />

share a vision with CEA of an even more comprehensive<br />

Digital Twin,” said Jean-Marie Brunet,<br />

VP&GM of Hardware Assisted Verification<br />

Division, Siemens Digital Industries Software<br />

expected to further expand the application<br />

domains and technology breadth<br />

of these solutions.”<br />

www.sw.siemens.com<br />

Source: Siemens Digital Industries Software<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 11


» NEWS & HIGHLIGHTS<br />

Joint venture to bring advanced semiconductor manufacturing to <strong>Europe</strong><br />

TSMC to build semiconductor factory in Dresden, Germany<br />

Source: Taiwan Semiconductor Manufacturing<br />

The facility in Dresden<br />

will be TSMC‘s fourth<br />

outside of Taiwan<br />

TSMC, the world‘s largest manufacturer of semiconductors,<br />

will invest EUR 3.5 billion in a joint project<br />

with three other <strong>Europe</strong>an industrial companies to<br />

build a semiconductor production facility in Dresden<br />

in eastern Germany. The joint venture known as<br />

<strong>Europe</strong>an Semiconductor Manufacturing Company<br />

(ESMC) will be 70 % owned by TSMC, with Bosch, Infineon,<br />

and NXP each holding 10% equity stake, subject<br />

to regulatory approvals and other conditions.<br />

The factory will cost around EUR 10 billion in total.<br />

The plant, which will be operated by TSMC, will provide<br />

advanced semiconductor manufacturing services<br />

to support the future capacity needs of the<br />

fast-growing automotive and industrial sectors. It is<br />

expected to have monthly production of 40,000<br />

300 mm (12-inch) wafers on TSMC’s 28/22 nanometer<br />

planar CMOS and 16/12 nanometer FinFET<br />

process technology, further strengthening <strong>Europe</strong>’s<br />

semiconductor manufacturing ecosystem with advanced<br />

FinFET transistor technology and creating<br />

about 2,000 direct high-tech professional jobs. Construction<br />

is expected to begin in the second half of<br />

2024 with production to begin by the end of 2027.<br />

Under the framework of the <strong>Europe</strong>an Chips Act, the<br />

German government will reportedly provide subsidies<br />

of EUR 5 billion to support the project.<br />

“This investment in Dresden demonstrates TSMC’s<br />

commitment to serving our customers’ strategic capacity<br />

and technology needs, and we are excited at<br />

this opportunity to deepen our long-standing partnership<br />

with Bosch, Infineon, and NXP,” said Dr. CC<br />

Wei, Chief Executive Officer of TSMC. “<strong>Europe</strong> is a<br />

highly promising place for semiconductor innovation,<br />

particularly in the automotive and industrial<br />

fields, and we look forward to bringing those innovations<br />

to life on our advanced silicon technology<br />

with the talent in <strong>Europe</strong>.”<br />

www.tsmc.com<br />

Germany equipment distributor bought by Swedish production technology group<br />

Kamic Group acquires SmartRep<br />

Through its subsidiary Sincotron Holding<br />

AB, Swedish Kamic Group has acquired all<br />

the shares in the German company SmartRep<br />

GmbH, a leading supplier of electronic<br />

production equipment in the DACH<br />

region.<br />

SmartRep was founded in 2004 by Rudolf<br />

Niebling and is one of the leading distributors<br />

in the DACH region (Germany, Austria<br />

and Switzerland) of machines and consumables<br />

for electronics manufacturers. It<br />

represents a number of leading machine<br />

suppliers such as MODI, Koh Young, Europlacer,<br />

YJ LINK, Techvalley, LPKF and PVA,<br />

and can offer complete solutions at the<br />

leading edge of technology development.<br />

Its head office is in Hanau, just east of<br />

Frankfurt, and there is also a sales office<br />

and demonstration centre in Günzburg in<br />

southern Germany. The company has some<br />

35 employees and annual sales of approximately<br />

EUR 15 million (about SEK 175 million).<br />

As a result of the acquisition, SmartRep<br />

becomes part of Kamic Group’s Production<br />

Technology business area led by<br />

Björn Johnsson.<br />

“SmartRep has a strong position as a supplier<br />

in the DACH countries with in-depth<br />

Source: SmartRep GmbH<br />

knowledge of how to best satisfy customers’<br />

needs,” Johnsson said. “In Production<br />

Technology we have the same strong<br />

position in the Nordic and Baltic countries<br />

as well as in Poland. We therefore<br />

complement each other particularly well<br />

and it is a real pleasure to welcome<br />

SmartRep into the Kamic family.”<br />

The entire management of the company<br />

will continue in their current roles following<br />

the change of ownership. Rudolf<br />

Niebling and Andreas Keller, sellers and<br />

Chief Executive Officers, said: “We are<br />

very pleased to be able to align our company<br />

with Kamic Group. By sharing experiences,<br />

skills and contacts both parties<br />

will be even stronger and more attractive<br />

to electronics manufacturers in our different<br />

geographical markets.”<br />

www.kamicgroup.com | www.smartrep.de<br />

12 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Source: Pixabay<br />

IPC August 2023 Economic Outlook report<br />

IPC: Eurozone economy grows in Q2 2023<br />

zone region. While Germany’s<br />

economy remained<br />

stagnant, showing no signs<br />

of growth, Italy’s economy<br />

shrunk by 0.3 %, a decline<br />

exacerbated by a worsening<br />

manufacturing sector.<br />

Meanwhile, the economies<br />

of France and Spain demonstrated<br />

positive growth.<br />

France expanded 0.5 %<br />

and Spain was up 0.4 %<br />

This growth was propelled<br />

by a surge in exports in<br />

France and a rebound in<br />

domestic demand in Spain.<br />

The forecast for U.S. economic<br />

growth, initially expected<br />

to be 0.5 percent at<br />

the beginning of 2023, is<br />

now expected to grow by<br />

2 percent, the report said.<br />

Additional data in the August<br />

IPC Economic Outlook<br />

showed:<br />

• In the U.S., infrastructure<br />

investments are poised to<br />

give a boost to the construction<br />

sector, potentially<br />

offsetting some of<br />

the slowdown in other<br />

areas of the economy.<br />

• The U.S. manufacturing<br />

sector recorded a strong<br />

month, reporting output<br />

gains rose 0.5 percent in<br />

July, the first gain in three<br />

months. Auto and nonauto<br />

manufacturing both<br />

posted increases, rising 5.2<br />

percent and 0.1 percent,<br />

respectively.<br />

• In <strong>Europe</strong>, the economies of France and<br />

Spain demonstrated positive growth,<br />

spurred by a surge in exports in France<br />

and a rebound in domestic demand in<br />

Spain.<br />

• In the second quarter of 2023, employment<br />

rose by 0.2 percent in both the Eurozone<br />

and the EU. During the first<br />

quarter of 2023, both regions witnessed a<br />

The 0.3 % growth compared to the previous<br />

quarter is most substantial growth since Q2 2022<br />

Economic growth in the Eurozone expanded<br />

by 0.3 % in Q2 compared to the<br />

previous quarter, IPC has reported in its<br />

August economic outlook. This marks the<br />

most substantial growth since Q2 2022<br />

and follows a Q1 that saw no sequential<br />

growth. The industry association also reported<br />

that there were significant variations<br />

across different areas in the Euromore<br />

substantial increase in employment,<br />

with a growth rate of 0.5 percent.<br />

Visit www.ipc.org/advocacy/industry-in<br />

telligence for more.<br />

www.ipc.org<br />

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<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 13


» NEWS & HIGHLIGHTS<br />

Shaping the future of electronics production<br />

Productronica to foreground<br />

AI, power electronics<br />

AI in electronics production, automation, and the growing significance of power electronics<br />

will be major focus topics at this year’s trade show, organizers say.<br />

Productronica 2021 - the last time the event was held - was affected by social<br />

distancing and extensive safety measures as a result of the Covid-19 pandemic<br />

Having taken place mid-pandemic, Productronica<br />

2021 attracted 894 exhibitors from 36<br />

countries and about 20,000 visitors from nearly 70<br />

countries. This may sound like a large number but,<br />

according to Exhibition Director Barbara Mueller,<br />

Productronica 2023 numbers are expected to instead<br />

reflect those from four years ago, in 2019 - when<br />

1,500 companies from more than 40 countries exhibited,<br />

and over 44,000 visitors were in attendance.<br />

So what can they expect to see?<br />

Mueller explained that, alongside overarching<br />

topics such as the shortage of skilled workers and<br />

sustainability, this year’s event will focus on power<br />

electronics, AI, sensors, and the second generation of<br />

quantum technologies. To reflect this, a programme<br />

of lectures and live demonstrations on these key<br />

areas will take place in Hall B2, Stand 448 in collaboration<br />

with the Productronics division of the<br />

VDMA, the conceptual sponsor of the event.<br />

AI in AOI<br />

The most important driver of AI technologies in<br />

electronics production is in the field of automated<br />

optical inspection (AOI). Repetition-based learning<br />

algorithms—systems have been in the process of replacing<br />

conventional IT for over a decade. ”Since the<br />

Source: Messe Muenchen<br />

frequency of errors in electronics production is manageable,<br />

engineers have to create ‘artificial’ error<br />

patterns using image processing in order to achieve a<br />

more relevant learning sample for the AI and create<br />

an even greater learning effect,” explained Volker<br />

Pape, Chairman of the Board in the Productronics<br />

division of the VDMA, and co-founder of Viscom.<br />

Almost all automated inspections systems in electronics<br />

production are now smart factory ready.<br />

Leading providers of AOI in <strong>Europe</strong>, including Goepel,<br />

Koh Young, Saki, and Viscom – all of whom are exhibiting<br />

at Productronica 2023 – are actively transitioning<br />

to using AI in their systems.<br />

“Even without AI, two thirds of assemblies tested<br />

are classified as good,” Dr. Sebastian Mehl, whose<br />

task at Siemens is to integrate mature and working<br />

AI applications into production environments in<br />

electronics production, explained. “Of the around<br />

30% that don’t pass the first time, only the smallest<br />

portion actually have an error. If humans undertook<br />

inspection for this number of false calls in the second<br />

pass, it would entail significant additional inspection<br />

effort. Moreover, there would be a high risk<br />

of several of the actual errors being overlooked.<br />

”In SMT production lines at Siemens, the number<br />

of false calls has been halved, and the first pass rate<br />

increased by 15% with the aid of AI. The additional<br />

inspection effort that is no longer required can be<br />

tangibly measured in annual six-digit savings.”<br />

Power electronics<br />

Analysts from the Yole Group expect the global<br />

power electronics market to grow from USD 20.9 billion<br />

(2022) to USD 33.3 billion by 2028 at a compound<br />

annual growth rate (CAGR) of 8.1 percent.<br />

Governmental regulations, the expansion of renewable<br />

energies and the demand for energy-efficient<br />

solutions are further driving the trend.<br />

According to Spherical Insights, the industrial sector<br />

currently holds a 24 percent share of the market<br />

as power electronics devices and systems become<br />

ever more widespread in motor drives, power<br />

supplies, robotics and process control. The growth of<br />

14 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


industrial automation is also an important driver in<br />

the expansion of this market.<br />

Productronica exhibitors Rohde&Schwarz, Viscom,<br />

Löhnert, CRS Prüftechnik and SPEA will exhibit<br />

relevant solutions in this area.<br />

Silicon carbide & gallium nitride<br />

The competitive cost/performance ratio of silicon<br />

makes it still the most widespread semiconductor<br />

material but it reaches its limits when higher operating<br />

frequencies and breakdown voltages are<br />

required. Because of this, components made of gallium<br />

nitride (GaN) and silicon carbide (SiC) are increasingly<br />

entering the field. Inverters based on wide<br />

bandgap semiconductors enable faster and lowerloss<br />

switching with significantly higher efficiencies.<br />

They are able to switch to higher voltages at higher<br />

frequencies—with less cooling required. Shorter<br />

switching times significantly reduce energy losses at<br />

are also able to tolerate more compact passive components<br />

such as inductors or capacitors.<br />

Because of the lengthier and more complex manufacturing<br />

processes required, chips made from silicon<br />

carbide and gallium nitride are significantly more expensive<br />

than their silicon counterparts. However,<br />

manufacturers expect to reduce costs by switching<br />

to 300-mm wafer technology.<br />

SiC in automotive applications<br />

Silicon carbide offers significant advantages in<br />

power electronics applications in electric vehicles.<br />

More efficient and more compact drive and charging<br />

systems can increase a vehicle’s range and shorten<br />

charging time. In Hall B2, Stand 448, VDMA co-exhibitor<br />

Breuer-Motoren will present a SiC inverter<br />

power amplifier developed as part of the research<br />

project ”SiC-Mobil—SiC frequency converter for<br />

electromobility” as a test platform for investigating<br />

the reliability, service life, EMC and efficiency of<br />

fast-switching SiC power semiconductors.<br />

Semiconductors<br />

Co-located with Productronica, SEMICON Europa,<br />

one of the world’s leading trade fairs for semiconductor<br />

equipment, materials and services in <strong>Europe</strong>,<br />

will host the Advanced Packaging Conference and a<br />

forum on fab management.<br />

productronica.com/en<br />

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<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 15


COVER STORY » INSPECTION & PROCESS CONTROL<br />

Get ahead with real time inspection<br />

AI-based process<br />

controls for<br />

Industry 4.0<br />

16 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


AT A GLANCE<br />

Here, Koh Young explains how<br />

real-time inspection and process<br />

control can prevent defects<br />

at the source, and highlights<br />

the importance of integrating<br />

IPC communication<br />

standards into its tools.<br />

In the relentless pursuit of manufacturing excellence,<br />

the advent of the smart factory has brought<br />

about a new era of innovation and efficiency. At the<br />

forefront of this transformation is Koh Young Technology,<br />

an industry leader driving the evolution of<br />

inspection-based process control tools to reshape<br />

modern electronics manufacturing.<br />

The smart factory: a paradigm shift<br />

Gone are the days of inefficient, error-prone<br />

manufacturing. The smart factory has emerged as a<br />

catalyst for change, powered by advanced technologies<br />

like IoT (Internet of Things), AI (artificial intelligence),<br />

and machine learning. At the heart of this<br />

transformation lies a synergy between advanced inspection<br />

systems and process control tools. These<br />

work together to ensure quality is maintained at<br />

every stage of production. We recognise this transformative<br />

potential and have harnessed it to lead the<br />

charge towards a smart factory.<br />

With unwavering dedication to<br />

accuracy, quality, and efficiency,<br />

Koh Young is driving a new era of<br />

production in which inspection and<br />

process control seamlessly merge<br />

to create optimized processes for<br />

electronics manufacturers of all<br />

shapes and sizes.<br />

The convergence of inspection and<br />

process control<br />

At Koh Young, we envision a world in which inspection<br />

is not just a post-production ritual but an<br />

integral part of the production process itself.<br />

Traditional methods of quality control often lead to<br />

the identification of defects after products have already<br />

been manufactured, resulting in increased<br />

costs and wastage. Our approach is different. We advocate<br />

real-time inspection and process control that<br />

identifies issues at the source, preventing potential<br />

defects.<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 17


COVER STORY » INSPECTION & PROCESS CONTROL<br />

Using advanced 3D measurement-based inspection<br />

and AI algorithms, our machines accurately<br />

evaluate product quality. This real-time data integrates<br />

seamlessly into process control tools that dynamically<br />

adjust parameters to maintain optimal<br />

production conditions. This holistic approach ensures<br />

consistent quality, reduces rework, and enhances<br />

production efficiency.<br />

The power of data: from insights to<br />

action<br />

In the smart factory ecosystem, data fuels continuous<br />

improvement. Inspection-based process<br />

control tools generate valuable data, offering<br />

insights into trends, patterns, and potential improvements.<br />

By analysing this data, manufacturers can<br />

identify bottlenecks, fine tune processes, and even<br />

predict maintenance needs, all while maintaining the<br />

highest possible quality standards.<br />

“We envision a world in which inspection<br />

is not just a post-production ritual<br />

but an integral part of the production<br />

process itself.”<br />

Our tools enable predictive analytics that help<br />

manufacturers anticipate deviations from optimal<br />

conditions and take corrective action proactively.<br />

This predictive capability minimizes downtime, prevents<br />

costly defects, and fosters a culture of lean,<br />

agile manufacturing.<br />

Empowering the workforce:<br />

bridging skills gaps<br />

As industries evolve, the demand for skilled labour<br />

continues to rise. However, the intricacies of modern<br />

manufacturing processes can be a steep learning<br />

Find out more<br />

To learn more about how Koh Young<br />

Technology and IPC are driving the<br />

future of manufacturing excellence<br />

through Industry 4.0, visit:<br />

www.kohyoung.com & www.ipc.org<br />

curve. Our inspection-based process control tools<br />

serve as a bridge, empowering the workforce by providing<br />

real time guidance and insights. Operators are<br />

equipped with a digital companion that guides them<br />

through processes, alerts them to potential issues,<br />

and fosters a deeper understanding of the production<br />

line. This symbiotic relationship between technology<br />

and human expertise is the cornerstone of<br />

the smart factory.<br />

Revolutionizing control: KPO<br />

At the epicentre of our commitment to manufacturing<br />

excellence lies the groundbreaking Process<br />

Optimizer (KPO). This innovation epitomizes the<br />

company‘s mission to synergize inspection and process<br />

control: a single tool designed to boost efficiency<br />

and precision.<br />

KPO is the keystone that integrates our inspection<br />

systems with real-time process control. Through an<br />

intuitive interface, operators gain access to a dashboard<br />

of vital production insights - ranging from the<br />

minutiae of individual measurements to macroscopic<br />

trends that influence overall product quality. KPO is<br />

more than a data aggregator, however. It is a decision-making<br />

engine that gives operators the knowledge<br />

to tweak production parameters, optimise<br />

workflows, and eliminate defects before they<br />

happen.<br />

Leveraging AI algorithms that learn and adapt,<br />

KPO evolves in tandem with the production line. It<br />

assesses production data to predict potential deviations,<br />

and offers recommendations to maintain<br />

peak efficiency and quality. In enabling operators to<br />

make informed decisions swiftly and confidently,<br />

KPO bridges the gap between experience and automation,<br />

creating a holistic production environment<br />

where expertise is enhanced – not replaced.<br />

Beyond machine-to-machine<br />

connectivity<br />

As manufacturing evolves towards Industry 4.0, inspection-based<br />

process control tools become even<br />

more critical. Koh Young’s innovative approach has<br />

already set the stage to revolutionize the manufacturing<br />

process. Nonetheless, the journey towards a<br />

fully realized smart factory involves a synergy of<br />

standards that facilitate communication across production<br />

assets. IPC communication standards — IPC<br />

CFX, IPC HERMES, and IPC DPMX — build on our<br />

tools, enabling comprehensive connectivity and data<br />

exchange, and ultimately enhancing manufacturing<br />

efficiency.<br />

18 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Source: Koh Young<br />

Using advanced 3D measurement-based inspection and AI algorithms, Koh Young‘s machines accurately evaluate product quality<br />

IPC CFX: enabling seamless<br />

communication<br />

IPC CFX (Connected Factory Exchange) is an open,<br />

neutral, and secure standard designed to enable real<br />

time, bidirectional communication between machines,<br />

devices, and enterprise systems in a factory.<br />

By integrating IPC CFX into the smart factory framework,<br />

manufacturers can benefit from: enhanced visibility<br />

of production processes; faster decision-making,<br />

and better overall equipment effectiveness.<br />

Our inspection-based process control tools,<br />

coupled with IPC CFX, support the exchange of<br />

critical data across the manufacturing floor. These<br />

inspection systems generate real-time insights,<br />

which are seamlessly communicated through the IPC<br />

CFX standard to other machinery and systems. This<br />

exchange of data ensures that the entire production<br />

line operates in harmony. This, in turn, enables rapid<br />

responses to deviations, which reduces downtime,<br />

and optimizes production quality.<br />

IPC HERMES:<br />

facilitating intelligent logistics<br />

IPC HERMES is another communication standard<br />

that complements an Industry 4.0 transformation.<br />

Focused on streamlining communication between<br />

different machines in the electronics assembly line,<br />

IPC HERMES ensures an efficient flow of production<br />

materials and products, allowing for reduced lead<br />

times, enhanced traceability, and minimal errors.<br />

When integrated with our inspection-based process<br />

control tools, IPC HERMES facilitates dynamic<br />

adjustments to the assembly process based on inspection<br />

results. For instance, if a Koh Young SPI or<br />

AOI detects a defect, the information can be communicated<br />

through IPC HERMES to other machines<br />

downstream, triggering immediate adjustments to<br />

rectify the issue. This level of intelligent communication<br />

results in a production line that runs with<br />

agility and adaptability, minimizing waste and maximizing<br />

efficiency.<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 19


COVER STORY » INSPECTION & PROCESS CONTROL<br />

Source: Koh Young<br />

Koh Young‘s inspection-based process control tools generate valuable data, offering insights into trends, patterns, and potential improvements<br />

“Operators are equipped with a digital<br />

companion that guides them<br />

through processes, alerts them to potential<br />

issues, and fosters a deeper<br />

understanding of the production line.<br />

This symbiotic relationship between<br />

technology and human expertise is the<br />

cornerstone of the smart factory”<br />

IPC DPMX: data exchange for<br />

process optimization<br />

IPC DPMX (Digital Product Model Exchange) focuses<br />

on improving digital product model data exchange<br />

across different stages of the manufacturing<br />

process. This standard enhances the collaboration<br />

between design, manufacturing, and inspection<br />

teams by ensuring that accurate and up-to-date<br />

product data is consistently available across the production<br />

lifecycle.<br />

Adding IPC DPMX helps make sure inspection systems<br />

have access to the latest digital product<br />

models. This ensures that inspection algorithms are<br />

aligned with current product specifications - leading<br />

to more precise defect detection, and fewer false<br />

calls. Additionally, the data generated by our inspection<br />

systems can be seamlessly communicated<br />

through IPC DPMX to design and manufacturing<br />

teams, enabling them to refine and optimize the<br />

product design and production processes.<br />

Koh Young and IPC standards<br />

Koh Young‘s dedication aligns with IPC communication<br />

standards. Integrating IPC CFX, IPC HERMES,<br />

and IPC DPMX into our tools makes for a connected,<br />

intelligent production environment. Manufacturers<br />

can make data-driven decisions in real-time, improve<br />

processes, and respond to deviations. This results in<br />

quality production and operational efficiency.<br />

In the quest for a smart factory that thrives on the<br />

collaboration between human expertise and technological<br />

advancement, our tools and IPC communication<br />

standards stand as cornerstones, allowing the<br />

industry to attain new heights of productivity, innovation,<br />

and quality. Together, they shape the future<br />

of manufacturing: one in which the convergence of<br />

inspection, process control, and communication<br />

standards facilitates a production landscape that is<br />

not only intelligent but transformative.<br />

20 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Zusammenfassung<br />

Im Zeitalter der intelligenten Fabriken gehen Inspektion<br />

und Prozesskontrolle nahtlos ineinander<br />

über, um durch den Einsatz von prüfungsbasierten<br />

Prozesssteuerungsinstrumenten optimierte Prozesse<br />

für Elektronikhersteller jeder Größe zu<br />

schaffen.<br />

The road ahead<br />

The journey towards manufacturing excellence is<br />

far from over. As technology advances and industries<br />

evolve, we remain committed to pushing boundaries<br />

and redefining industry standards. By continually innovating<br />

our inspection systems, AI-driven analytics,<br />

and process control tools, we hope to create a world<br />

in which defects are eradicated before they manifest,<br />

where inefficiencies are eliminated, and where every<br />

product is of uncompromised quality.<br />

The smart factory era is here, and we stand at the<br />

vanguard of this revolution. By championing inspection-based<br />

process control tools, we are not only<br />

shaping the future of production but also ensuring<br />

that every product that rolls off the assembly line is<br />

a testament to the relentless pursuit of excellence. In<br />

this new industrial dawn, the collaboration between<br />

human ingenuity and technological prowess will<br />

propel us to reach even greater heights.<br />

Résumé<br />

À l’ère de la fabrication intelligente, l’inspection et<br />

le contrôle des processus se confondent et créent<br />

des procédures optimisées pour tous les fabricants<br />

d’électronique en s’appuyant sur des instruments<br />

de contrôle des processus et des audits.<br />

Резюме<br />

В эпоху „умных“ заводов контроль качества и<br />

контроль технологического процесса плавно<br />

переходят друг в друга, что создает<br />

оптимизированные процессы для<br />

производителей электроники любого размера<br />

за счет применения инструментом управления<br />

технологическими процессами на основе<br />

проверок.<br />

Productronica, Stand A2.359/A2.377<br />

www.kohyoung.com<br />

Using advanced 3D measurementbased<br />

inspection and AI algorithms,<br />

Koh Young‘s machines accurately<br />

evaluate product quality<br />

Source: Koh Young<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 21


» PCB & ASSEMBLY<br />

Typical EV power scheme<br />

Source: Ventec International Group<br />

Thermal management using insulated metal substrates<br />

Applying IMSs in lighting and<br />

power conversion<br />

The first article in this two-part series described the composition, principles, and thermal<br />

properties of insulated metal substrates (IMSs). This article looks at use cases in power<br />

conversion and lighting, the effects of high-emissivity coating, and often overlooked design<br />

considerations.<br />

» Chris Hanson, Global Head IMS Technology, Ventec International Group<br />

LED lighting dominates new designs for building<br />

and automotive applications. However, excessive<br />

operating temperature can change the chromaticity<br />

of the emitted light, reduce lifetime, and may<br />

destroy the LED. Proper thermal management must<br />

therefore restrict the temperature to below the safe<br />

maximum for a semiconductor device.<br />

Applications<br />

Among automotive lighting applications, matrix<br />

headlamps contain multiple emitters closely spaced<br />

on a single substrate to provide a high lumen output.<br />

Typically, a high-conductivity IMS featuring either an<br />

aluminium or copper baseplate is used. Non-reinforced<br />

dielectric, usually about 0.05mm-thick, minimizes<br />

CTE-related stresses between an aluminium<br />

baseplate and copper foil. In very high-power applications,<br />

a copper baseplate can avoid excessive<br />

stress due to CTE mismatch.<br />

Spotlights or daytime running lamps (DRLs) often<br />

comprise multiple small boards, each containing two or<br />

three emitters. An IMS aluminium baseplate and<br />

0.075–0.010 mm dielectric, resulting in thermal conductivity<br />

of 2–3 W/m.K is commonly used in these cases.<br />

Turn signals are often subject to extreme constraints<br />

in size and shape because of their placement<br />

on a vehicle’s extremities. A three-emitter unit<br />

would need to dissipate about 7 watts, which can be<br />

achieved using an IMS with 0.05–0.075 mm dielectric<br />

thickness and thermal conductivity of about 3<br />

W/m.K. Attaching the IMS to the vehicle chassis<br />

further enhances thermal dissipation.<br />

General lighting and power<br />

conversion<br />

Applications such as street lighting require powerful,<br />

reliable illumination with extended replacement<br />

intervals. An IMS with thermal conductivity of about<br />

3 W/m.K and a 0.075–0.10 mm dielectric effectively<br />

limits the LED temperature and preserves chromaticity,<br />

while allowing a high drive current.<br />

In very high-power applications such as industrial<br />

welders, where the torch can draw 50 A to 400 A or<br />

more from chopper or inverter circuits, a heavy-duty<br />

copper foil, high-voltage dielectric, and a high-conductivity<br />

baseplate are combined with heatsinks and<br />

oil cooling.<br />

High-power air-conditioners commonly use IMSs<br />

22 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


to connect power inverters and triac circuits to the<br />

air-cooled chassis or heatsink. An aluminium baseplate<br />

and conductivity of up to 10 W/m.K are typical.<br />

Automotive electrification<br />

In addition to LED lighting, electric power steering<br />

(EPS) and electrical pumps and fans are replacing<br />

traditional mechanical or hydraulic units in today’s<br />

cars. Additionally, electric and hybrid vehicles contain<br />

AC/DC converters for regenerative braking and<br />

on-board chargin; DC/DC converters for dual-battery<br />

management and bi-directional power supply; highvoltage<br />

batteries, and traction motors. The power<br />

semiconductors in these systems can dissipate total<br />

power from several hundred watts up to tens of kilowatts.<br />

Targets for module size and reliability can be met<br />

cost-effectively using a high-performing IMS with<br />

thermal conductivity of 3–4.2 W/m.K and<br />

0.10–0.15 mm dielectric. Power transistors can be<br />

soldered to the IMS circuit layer as bare die. The<br />

baseplate is often integrated with a cast metal chassis<br />

or may be attached to a liquid-cooled heatsink.<br />

Source: Ventec International Group<br />

Maximising IMS performance<br />

The application depicted above in the diagram<br />

shows a small automotive lighting assembly originally<br />

built using FR-4 board fitted with a heatsink. Exchanging<br />

this for IMS as seen in the lower image with<br />

a high-emissivity surface treatment helped achieve a<br />

Automotive lighting<br />

assembly with heatsink<br />

(above), and equivalent<br />

with high-emissivity<br />

IMS (below)<br />

PIEK Training & Certification<br />

IPC Training & Certification<br />

Consultancy<br />

Test Center PB’s & PBA’s<br />

Audit services<br />

IPC Validation Services<br />

PIEKTRAINING.com<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 23


» PCB & ASSEMBLY<br />

thinner, heatsink-free assembly. The required thermal<br />

dissipation of 5 W was originally achieved using<br />

20 mm x 20 mm FR-4 PCB with a 35mm heatsink;<br />

calculated using an online heatsink design tool.<br />

Ventec has created a similar software application<br />

to calculate IMS parameters. This predicts that a<br />

100 mm x 100 mm Ventec VT-4B5 IMS with standard<br />

brushed aluminium finish could dissipate 5 W without<br />

needing a heatsink (thus also eliminating the<br />

need for a thermal interface material). Recalculating<br />

with the added effect of a ER1 high-emissivity coating<br />

shows the IMS size can be reduced to 70 mm x 70 mm.<br />

Potentially overlooked…<br />

Although thermal conductivity, cost, and material<br />

thickness are the dominant selection criteria when<br />

choosing an IMS, there are several other factors to<br />

consider.<br />

When choosing the dielectric, ensure that the<br />

Zusammenfassung<br />

Im ersten Artikel dieser zweiteiligen Serie wurden Zusammensetzung,<br />

Prinzip und die thermischen Eigenschaften<br />

von isolierten Metallsubstraten (IMS) beschrieben. Dieser<br />

Artikel befasst sich mit Anwendungsfällen in der Energieumwandlung<br />

und Beleuchtung, dem Effekt von Beschichtungen<br />

mit hohem Emissionsgrad sowie häufig<br />

übersehenen Designbetrachtungen.<br />

Résumé<br />

Le premier article de cette série en deux volets a présenté<br />

la composition, le principe et les propriétés thermiques<br />

des substrats métalliques isolés (SMI). Cette seconde<br />

partie adresse des cas pratiques de la transition<br />

énergétique et de l’éclairage, les effets des revêtements à<br />

haute émissivité et certaines considérations de conception<br />

souvent négligées.<br />

Резюме<br />

В первой статье этой серии из двух частей<br />

описывается состав, принцип и термические свойства<br />

изолированных металлических подложек. В этой<br />

статье рассматриваются варианты использования в<br />

сфере преобразования энергии и освещения,<br />

влияние покрытий с высокой эмиссионной<br />

способностью и часто упускаемые из виду<br />

конструктивные вопросы.<br />

breakdown voltage and thickness provide sufficient<br />

electrical insulation.<br />

To decide the copper-foil weight, based on the application<br />

operating current, note that the IMS reduces<br />

I2R-induced temperature rise, thereby increasing<br />

the effective current-carrying capacity.<br />

Consider creepage distance (also known as leakage<br />

distance) when designing for power applications.<br />

Creepage is dependent on the insulator’s comparative<br />

tracking index (CTI). Datasheets often give a<br />

CTI of 600 V for IMS materials, whereas the CTI for<br />

conventional FR4 is usually 175 V–249 V.<br />

When choosing the base metal layer, consider the<br />

coefficient of thermal expansion (CTE) in addition to<br />

cost, rigidity, and weight - particularly in applications<br />

that experience intensive thermal cycling.<br />

Selecting a value that closely matches component<br />

and circuit-layer expansion can minimise solder joint<br />

fatigue. Large devices, extreme temperature differentials,<br />

and lead-free minimum solder thicknesses<br />

can all contribute to increased cyclic shear stress on<br />

solder joints.<br />

Also consider the base material’s suitability for<br />

machining and post-forming operations.<br />

Test methodologies<br />

When characterising the thermal conductivity of<br />

their IMS products, manufacturers may choose from<br />

several standardised test methodologies. These include<br />

ASTM E1461 which is a contactless high-temperature<br />

test. Another is ISO 22007–2, performed<br />

using a 3mm-thick disc of the test material. ASTM<br />

D5470 also uses a disc-shaped sample of the test<br />

material and establishes a temperature gradient that<br />

can be measured in the steady state. In addition,<br />

there are various theoretical mathematical models<br />

such as the Bruggeman model.<br />

All approaches have intrinsic inaccuracies, and all<br />

typically give different answers with the same material<br />

under the same conditions. Moreover, manufacturers’<br />

datasheets do not always state the method<br />

used, which can prevent designers from making accurate<br />

comparisons. Independent testing is therefore<br />

recommended to predict performance accurately in<br />

the intended application.<br />

Conclusion<br />

IMSs can provide accurately controlled thermal<br />

management in systems that dissipate significant<br />

quantities of self-generated heat. There are many<br />

parameters that can be optimised, allowing for an<br />

effective, compact, and reliable solution.<br />

Productronica, Booth B3.242<br />

www.venteclaminates.com<br />

24 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Product Updates « PCB & ASSEMBLY<br />

Removal of residual solder in rework processes<br />

Kurtz Ersa introduces auto scavenger module for rework system<br />

Kurtz Ersa has unveiled the Auto Scavenger Module,<br />

an extension for the Ersa HR 600 XL rework platform.<br />

Designed to enhance the efficiency and effectiveness<br />

of non-contact removal of residual solder from circuit<br />

boards, this module represents a significant advancement<br />

in rework technology.<br />

With just three simple clicks, users can define the<br />

specific area on the assembly where residual solder<br />

needs to be removed after desoldering a component.<br />

The module then automatically identifies the required<br />

tracks and initiates the cleaning process promptly,<br />

while ensuring the board remains preheated.<br />

Featuring cleaning speeds ranging from 1 mm/s to<br />

3 mm/s, the module ensures efficient and thorough removal<br />

of residual solder from large electronic assemblies.<br />

Moreover, users have the flexibility to finetune<br />

the cleaning performance by adjusting parameters<br />

such as nitrogen temperature and track speed. Individual<br />

profiles can be saved for each assembly, enabling a<br />

customized and optimized cleaning process.<br />

The module operates with a constant base temperature<br />

for the entire assembly. The solder to be removed<br />

is heated on the board surface using an<br />

N2-fed hot gas nozzle and then extracted via a vacuum<br />

nozzle. Importantly, the automatic height control<br />

feature ensures that the assembly remains untouched<br />

physically throughout the process. Additionally,<br />

users can mark ‘keep out areas’ directly in the<br />

live image, designating specific regions where suction<br />

is not required. Once the solder removal is com-<br />

plete, the assembly is efficiently cooled down and<br />

ready for the seamless reinstallation of a component.<br />

“The introduction of the Auto Scavenger Module represents<br />

another step forward in rework technology,”<br />

said Todd DeZwarte, Director of Sales – North America,<br />

Rework & Inspection at Ersa. “We are excited to<br />

offer our customers a solution that not only enhances<br />

the cleaning performance of the HR 600 XL<br />

rework system but also provides the flexibility and<br />

precision required for diverse assembly requirements.<br />

This module enables efficient and reliable removal of<br />

residual solder, contributing to improved productivity<br />

and high-quality results.”<br />

The Auto Scavenger Module is available as an optional<br />

feature for the Ersa HR 600 XL rework system.<br />

Productronica, Booth A4.171<br />

www.kurtzersa.de<br />

Source: Kurtz Ersa<br />

Designed to enhance<br />

the efficiency and<br />

effectiveness of<br />

non-contact removal<br />

of residual solder from<br />

circuit boards, the<br />

company says this<br />

module represents<br />

a significant advancement<br />

in rework<br />

technology<br />

Visit us!<br />

Hall A4,<br />

Booth 255<br />

2023<br />

November 14-17, 2023, Messe München<br />

Scalable Vacuum Soldering System VADU modular<br />

• Easy expansion of productivity or functionality by adding modules<br />

• Effortless maintenance and operation<br />

• Well-known void-free soldering quality<br />

• Soldering with preforms and/or pastes<br />

• Flux-free soldering with formic acid<br />

• Flux management system for solder paste processes<br />

• Individual, easy and free programmable soldering profiles<br />

• Low energy and media consumption<br />

PINK GmbH Thermosysteme · Am Kessler 6 · 97877 Wertheim-Bestenheid · info@pink.de · www.pink.de<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 25


» PCB & ASSEMBLY<br />

Moving beyond manual ID methods<br />

Laser labelling in electronics<br />

manufacturing<br />

With many customers concerned that manual product labelling, used to identify<br />

and monitor parts, is unable to meet the stringent demands of modern electronics<br />

manufacturing, could laser labelling be the answer? Joe Booth, CEO of Altus<br />

Group, weighs up the pros and cons.<br />

The inside of the YJ Link YLM Laser Marking Machine and the variety of code types and sizes possible on their demonstration board<br />

Source: Altus<br />

The UK is home to a substantial portion of the<br />

world‘s contract electronics manufacturing<br />

(CEM) sector which produces high volumes of critical<br />

high-value electronics like medical devices, automotive<br />

and telecoms equipment. This complex, high-mix<br />

production landscape has driven an increased emphasis<br />

on quality control and traceability – both essential<br />

to manufacturers embracing Industry 4.0<br />

practices. It has also led to concerns about product<br />

identification processes, with many finding manual<br />

product labelling for the identification and monitoring<br />

of parts inadequate for today’s stringent demands.<br />

Moreover, labour shortages in the UK mean<br />

that CEMs are now looking to automate repetitive,<br />

manual processes. To address these issues, a growing<br />

number of manufacturers are transitioning to automated<br />

laser marking systems.<br />

Manual labelling - pros and cons<br />

Manual labelling was previously been seen as a<br />

simple and inexpensive option for basic product<br />

identification. Workers quickly applied pre-printed<br />

stickers by hand or added markings to PCBAs with<br />

stencils or ink pens to designate logos, serial<br />

numbers, and barcodes. This made manual labelling<br />

an appealing starting point when production volumes<br />

were smaller and products less complex. As<br />

manufacturing has exponentially increased, products<br />

have become more sophisticated, and technical<br />

specifications have grown more exacting, however,<br />

manual labelling has proved limited in meeting the<br />

complex requirements of cutting-edge electronics<br />

manufacturing.<br />

Undoubtedly manual labelling remains a good option<br />

for prototyping and early development. The low<br />

cost and flexibility of a simple sticker means labels<br />

on prototypes can be applied and modified as designs<br />

evolve. This adaptability enables quick iteration<br />

without specialised equipment. In a high-volume<br />

production environment, however, there are several<br />

important drawbacks to manual labelling methods,<br />

outlined below.<br />

26 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Human error and inconsistency<br />

Manual label application is subject to human error.<br />

Even the most skilled operator will make the occasional<br />

mistake – and the probability of this happening<br />

increases as production runs get longer. Different<br />

operators also apply labels differently. Inconsistencies<br />

and inaccuracies in component identification<br />

can lead to defective products, recalls, and traceability<br />

problems.<br />

Time-consuming<br />

Manually adding individual labels onto components<br />

is a slow process, especially with small electronic<br />

components. Even for an experienced worker,<br />

handling and positioning each tiny label is time consuming.<br />

The more labels required per product, the<br />

greater the time involved. This process becomes<br />

highly labour intensive and can cause a bottleneck in<br />

production flows, which significantly decreases<br />

manufacturing throughput and efficiency.<br />

Source: Altus<br />

Lack of adaptability<br />

Pre-printed labels used in manual labelling processes<br />

offer minimal flexibility when design changes<br />

are required. Companies using manual labels must<br />

discard obsolete label stocks and order new preprinted<br />

labels whenever they want to adjust label<br />

content or position. This wastes inventory and<br />

requires production downtime during changeovers.<br />

With pre-printed labels, unique serial numbers cannot<br />

be generated, nor is customisation, or variable<br />

data like date codes possible.<br />

Typical manual label<br />

application, manually<br />

applied to the PCB by<br />

hand or with tweezers<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 27


» PCB & ASSEMBLY<br />

Questionable reliability<br />

The adhesives used in manual stick-on labels can<br />

fail over time if exposed to humidity, high temperatures,<br />

abrasion, or chemicals. Labels can peel, fall off,<br />

become illegible or disappear completely – resulting<br />

in products with missing or incorrect identification<br />

markers. This makes ongoing traceability and warranty<br />

tracking difficult.<br />

Restricted options<br />

Manual labels can only be applied on accessible<br />

surfaces with enough area for adhesion. Irregular<br />

shapes, smaller sizes, and hidden areas restrict where<br />

labels can be placed. Only certain materials can be<br />

labelled, and these must meet size requirements for<br />

human handling. All these constraints limit options<br />

for product design and labelling location.<br />

Additionally, manual labelling cannot fulfil the obligations<br />

for permanent marks mandated by certain<br />

regulatory requirements like unique device identification<br />

(UDI). Overall, the limitations and disadvantages<br />

inherent to manual labelling make it unsustainable<br />

for high-quality electronics production.<br />

Is laser labelling the answer?<br />

Automated and precise, modern laser marking systems<br />

bypass the limitations of manual labelling by<br />

offering permanent marking capabilities. Although<br />

manufacturers may be put off by the initial outlay to<br />

purchase the equipment, laser marking has numerous<br />

advantages that far outweigh the investment<br />

cost. Such systems have become integral to production<br />

lines, prompting many CEMs to opt for laser<br />

marking technology.<br />

Range of labels with a range of sizes and information attributed<br />

Source: Altus<br />

Permanent marks<br />

Lasers create marks by altering the surface structure<br />

of materials through ablation, oxidation, melting<br />

or other photochemical processes. This means labels<br />

become integral, permanent parts of the product<br />

and are not just stuck on. Laser marked identification<br />

withstands wear, abrasion, temperature extremes<br />

and chemical exposure. Electronics OEMs can trace<br />

labelled products across their entire lifecycle.<br />

Precision and legibility<br />

Lasers can etch intricate details and small font<br />

sizes down to micron levels. Complex machine-readable<br />

codes like barcodes can be inscribed with perfect<br />

precision and accuracy. This prevents errors in<br />

component identification – especially critical for<br />

complex miniature electronics parts. Laser labelling<br />

is effective on unusual shapes and designs, including<br />

on curved, angled or hidden surfaces not reachable<br />

using manual methods.<br />

Hands-free<br />

Laser marking is a non-contact process. It does not<br />

require physical contact with the PCB surface, unlike<br />

ink printing or mechanical engraving methods. The<br />

laser imprints by directing focused light energy onto<br />

a material to alter its structure without touching it.<br />

This non-contact process eliminates any risk of damage,<br />

distortion, or stress to delicate electronic<br />

components during marking. This enables safe, clean,<br />

and damage-free identification of even the most<br />

sensitive, densely-packed PCB designs. It can also be<br />

applied on various surfaces, from metals and ceramics<br />

to laminates and plastics, making it ideal for<br />

modern high-mix electronic components.<br />

28 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Easy to integrate<br />

Laser marking methods seamlessly integrate with<br />

fully automated production lines and material handling<br />

systems. Parts can be precision marked quickly<br />

with no manual intervention. Programmable laser<br />

systems also enable rapid changeovers between label<br />

formats and data variables. This allows for highthroughput<br />

production runs without delays.<br />

Source: Altus<br />

Adaptable<br />

Laser systems excel at on-demand marking of labels<br />

with variable information like dates, times, and<br />

serial numbers. Programming is fast and flexible –<br />

allowing for quick customer-specific customisation.<br />

Regulatory compliant<br />

Stringent government traceability regulations like<br />

UDI require permanent product labels that remain<br />

intact over long periods and harsh conditions. Laser<br />

marking satisfies labelling permanence regulations<br />

that manual methods cannot.<br />

The clear choice for the future?<br />

After considering the advantages and disadvantages<br />

of manual and laser labelling, it is evident that<br />

laser technology is the best option for the electronics<br />

manufacturing of today. The drawbacks and bottlenecks<br />

inherent to manual methods hinder quality,<br />

throughput, and responsiveness. Laser labelling addresses<br />

these shortfalls and facilitates state-of-theart<br />

production.<br />

Laser systems meet the rigorous demands of highprecision<br />

Industry 4.0 electronics production, enabling<br />

immediate and flexible product identification,<br />

intricate coding, automated workflows, and label<br />

permanence. As electronics manufacturing processes<br />

evolve and smart factories and data-driven production<br />

strategies take over, laser labelling can fit in<br />

seamlessly. Laser systems interface directly with central<br />

automation controls, production databases, enterprise<br />

resource planning systems and machine<br />

learning platforms, making laser-marked labels essential<br />

components of advanced PCBA manufacturing<br />

practices.<br />

www.altusgroup.co.uk<br />

The inner workings of<br />

the YJ Link YLM Laser<br />

Marking Machine,<br />

highlighting the internal<br />

flip which is utilised<br />

for double sided<br />

PCB marking<br />

Less scrap – longer<br />

tool lifetimes<br />

961-757e-04.23 ©2023 Kistler Group<br />

Maximize your machining efficiency<br />

Cut smarter! Dynamometers and monitoring solutions from Kistler deliver ultra-precise cutting<br />

force measurements – for optimum machining quality and maximum tool lifetimes.<br />

www.kistler.com<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 29


» PCB & ASSEMBLY<br />

Transforming labour shortages into business advantages<br />

Addressing labour challenges<br />

in electronics manufacturing<br />

In 2014, a study conducted by the Boston Consulting Group predicted that many countries<br />

would experience labour shortages in the 2020s and “a massive shortfall” by 2030. This<br />

is proving correct. In an age of supply chain disruptions and generational workforce<br />

evolution, manufacturers are struggling to find qualified employees. Increasing digitalization<br />

may be the key to finding and retaining talent.<br />

» Oren Manor and Markus Sauter, Siemens Digital Industries Software<br />

Staffing and resource constraints<br />

According to Ranstad, an aging global population is a<br />

significant factor in the current labour shortage. By<br />

2030, 16 percent of the world population will be 65 and<br />

over, and, by 2050, this proportion will have doubled.<br />

Finding skilled replacements is an urgent matter.<br />

Manufacturing today’s complex products demands<br />

a higher level of skilled workers. Adaptability and<br />

flexibility are increasingly important as shorter lead<br />

times create the need for more versatile workers who<br />

can perform multiple functions.<br />

The convergence of<br />

various major global<br />

trends is increasing the<br />

complexity of electronics<br />

manufacturing<br />

and impacting the<br />

workforce<br />

Even before Covid-19, staffing was a challenge.<br />

Then, with the arrival of the great resignation,<br />

the challenge became even more acute. Today, the<br />

convergence of various global events and industry<br />

trends is increasing the complexity of electronics<br />

manufacturing, and this is having a knock-on effect<br />

on recruitment. Understanding how each factor impacts<br />

the workforce is vital to finding effective solutions<br />

to labour shortages, so here’s a short overview.<br />

Supply and component shortages<br />

Global events such as the pandemic, the Russian<br />

war with Ukraine, international trade tensions, global<br />

shipping bottlenecks and surges in demand for<br />

materials all contribute to supply chain volatility.<br />

This impacts every sector from metals to chemicals,<br />

including, of course, manufactured components, as<br />

well as semiconductors and related devices. This<br />

level of unpredictability directly affects manufacturing<br />

workflows.<br />

Source: Siemens<br />

Sustainability<br />

The desire to create a more sustainable work environment<br />

that lowers ecological impact, reduces<br />

energy usage, reduces waste and improves operational<br />

excellence is transforming the workplace into<br />

a healthier space for employees.<br />

Fortunately, solutions to these issues are beginning<br />

to emerge. According to Ranstad’s 2022 study, “Why<br />

is there a global labor shortage?”, it is vital that employers<br />

understand the candidate-driven employment<br />

market, and the factors valued most-highly by<br />

workers. These are competitive salaries (58 %), job<br />

security (56 %) and work environment (55 %). The<br />

biggest opportunity for employers to attract skilled<br />

workers is to address the working environment. And<br />

digitalization could be the key to success in this area.<br />

Finding and retaining talent<br />

If you want to land talented individuals in today’s<br />

competitive hiring environment, it is essential to<br />

think outside the box. Increased digitalization can<br />

help upgrade production environments and elevate<br />

worker experience, paving the way for new recruitment<br />

opportunities.<br />

Digitalization can help make the working environment<br />

a more enjoyable place for younger workers.<br />

30 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Source: Siemens<br />

With the shift to high-mix manufacturing and increasing supply chain disruption, manufacturers need<br />

to find creative and effective new ways to attract, train and maintain their workforce<br />

Source: Siemens<br />

Ensuring consistency and traceability of product<br />

and process for all manufacturing strategies<br />

With increased automation, skilled personnel will have<br />

greater opportunities to expand their skillsets and become<br />

upwardly mobile as they learn to perform a variety<br />

of jobs across various manufacturing processes.<br />

Digitalized planning and advanced automation enable<br />

a flexible, optimized workflow. Options such as offering<br />

a four-day work week to recruits who would<br />

value this arrangement could give your company a<br />

competitive edge. Another option is to prioritize the<br />

recruitment of young talent. Young people can be<br />

brought in at a lower level and gradually move up<br />

into positions of increasing responsibility as they<br />

learn the manufacturing system and acquire a variety<br />

of skills. Surprisingly, only 38 percent of organizations<br />

currently make it a priority to recruit young<br />

talent, according to the Ranstad study.<br />

Digitalization can facilitate options for remote<br />

working including remote roles, remote monitoring<br />

and job variations. These options can help companies<br />

manage critical processes and still provide workers<br />

with flexibility at work and at home, making jobs<br />

more attractive to a wider range of people.<br />

Recruiting talent for specific skill sets from abroad,<br />

from South America, Africa and Asia, for instance, becomes<br />

easier if you offer remote working. This means<br />

new hires do not have to physically relocate across<br />

borders to your plant location, avoiding extra expense.<br />

The digitalization difference<br />

“In a world where more than half the population is<br />

under 25, businesses cannot afford to ignore digital<br />

transformation,” McKinsey & Company recently observed.<br />

Digital transformation is one variable that<br />

can enable manufacturers to significantly improve<br />

performance, both on the shop floor and in terms of<br />

the quality of their workforce. A talented workforce<br />

that spans generations has the potential to take a<br />

company’s performance to an entirely new level.<br />

Young talent is attracted to digital transformation<br />

and digital technology. Unlike older workers, many<br />

younger workers have experienced digital classrooms<br />

firsthand. They are better prepared to adapt to the<br />

greater flexibility of skills needed for an evolving<br />

manufacturing workplace as digitalization and automation<br />

expand. A talented workforce that spans<br />

generations has the potential to take your company<br />

performance to an entirely new level.<br />

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» PCB & ASSEMBLY<br />

Ensuring consistency<br />

and traceability of<br />

product and process<br />

for all manufacturing<br />

strategies<br />

Source: Siemens<br />

Top tips<br />

Keep the following in mind when designing your<br />

recruitment strategy for a revitalized workforce:<br />

• Digitalization is attractive to skilled workers and younger<br />

talent<br />

• Streamlined engineering and manufacturing processes<br />

make your workplace and your job opportunities more<br />

appealing<br />

• Seamless data flow from engineering to execution<br />

increases productivity and reduces stress<br />

• Using digitalization supports a diversity of tasks,<br />

minimizes monotonous work, and allows easy job rotation<br />

using guided and automated operations<br />

• Leveraging digitalization helps create a more productive<br />

and profitable company that can offer employees more<br />

advancement opportunities<br />

• Digitalization enables opportunities for automation<br />

and artificial intelligence (AI) to create a working<br />

environment that supports advanced skills<br />

• Adopting digitalization enables recruitment of a more<br />

talented workforce with the ability to improve company<br />

performance<br />

• Remote work options enable you to tap new pools of talent<br />

When recruiting today, it is important to develop an<br />

appealing image. Talented workers are drawn to clean<br />

workplaces that offer career advancement in high<br />

tech fields, so we should design our workplaces and<br />

our recruiting strategies to promote these benefits.<br />

Siemens digitalization solutions<br />

Digital solutions such as a manufacturing execution<br />

system (MES) can play a critical role in addressing<br />

labour challenges. Digitalization can increase<br />

your appeal as a company by providing stress-relieving<br />

solutions for workers in the fields of both IT and<br />

production.<br />

Problems with integrating IT and operating technology<br />

(OT) often lead to extra work and undue<br />

stress on the workforce. This is exacerbated when<br />

multiple legacy information systems are unconnected,<br />

lack a common data platform or language,<br />

and cannot work together, resulting in an enormous<br />

workload. Fragmented systems need to be digitally<br />

transformed so they work more efficiently together,<br />

and the effort needed to sustain them is reduced.<br />

Fortunately, this fragmentation and the stress can be<br />

alleviated by adopting an end-to-end digital solution<br />

that provides a single digital thread with connected<br />

systems. This enables efficient, unified operation<br />

from product design to manufacturing execution.<br />

The Siemens Xcelerator business platform, comprising<br />

software, hardware and services, provides an<br />

integrated digital thread spanning from design to<br />

production engineering, streamlining processes<br />

through one end-to-end digital solution. The MES<br />

solution also includes a manufacturing operations<br />

management (MOM) system to address labour-related<br />

challenges. When we start breaking down disconnected<br />

silos this transformation can begin.<br />

The MOM system combines all machine programming<br />

into a single platform, and better defines workflows,<br />

resulting in better quality, and saving time and<br />

stress for workers. It consolidates production processes<br />

to optimise MESs, quality management, and<br />

improve planning and scheduling. It also reduces the<br />

workload so staff can focus instead on value-added<br />

tasks. MOM advantages include:<br />

• Providing guidance in setup and execution tasks<br />

• Prompting workers for required actions<br />

• Avoiding errors and rework<br />

• Supplying automated control and traceability of<br />

tasks, process, material and tools<br />

• Using maintenance management to minimize machine<br />

breakdowns<br />

• Improving operator efficiency by allowing them to<br />

run multiple machines and lines<br />

32 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Electronics production process<br />

Source: Siemens<br />

Changing perceptions<br />

The notion of manufacturing as a gritty working environment<br />

is an image that needs to be updated. By<br />

increasing their focus on digitalization, manufacturers<br />

can change these outdated perceptions, and win new<br />

recruits. Digitalization can streamline engineering and<br />

production processes to create a lean, modern, and<br />

productive working environment. These changes elevate<br />

quality of life for the workforce and enable companies<br />

to be more competitive. With digitalization<br />

underway, you are ready to recruit a more talented<br />

workforce. And with an improved workforce, company<br />

performance can reach a whole new level.<br />

Productronica, Booth A3.147<br />

siemens.com/software<br />

Zusammenfassung<br />

Um den Herausforderungen des herrschenden Fachkräftemangels<br />

in der Elektronikbranche zu begegnen<br />

ist es von Vorteil, die Digitalisierung bei der Rekrutierung<br />

der Arbeitskräfte der Zukunft zu nutzen.<br />

Résumé<br />

À l’avenir, la numérisation est un outil de recrutement<br />

avantageux pour contrer la pénurie de main-d’œuvre<br />

qualifiée qui sévit dans le secteur de l’électronique.<br />

Резюме<br />

Чтобы решить насущные проблемы с дефицитом<br />

квалифицированных кадров в электронной<br />

отрасли, предпочтительно использовать<br />

дигитализацию при наборе рабочей силы<br />

будущего.<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 33


» PCB & ASSEMBLY<br />

Experiment & analysis in QFN assemblies<br />

Minimizing voiding in SMT<br />

assembly of BTCs<br />

Voiding in BTCs and, more specifically, QFNs, is arguably the most critical issue in<br />

electronic assembly today. In response to this concern, Indium Corporation and<br />

BTU International developed and executed a series of investigations to understand<br />

quantitatively the causes of voiding.<br />

» Christopher Nash, Ronald C. Lasky, Ph.D., PE, Emily Belfield, Indium Corporation; Kim Flanagan,<br />

Claire Hotvedt & Thomas Tong, BTU International<br />

Source: Indium Corporation<br />

X-ray images of voiding. These ‘lake voids’ with a greater than 40% area of voiding<br />

would likely cause reliability and performance problems for most QFNs<br />

Bottom terminated components (BTCs) are one of<br />

the most important components in electronics<br />

today. Their combination of small size, excellent<br />

electrical performance, and ability to transfer heat<br />

away from the integrated circuit (IC) has resulted in<br />

their becoming one of the most common packages<br />

with the highest growth rate. More than 15% of all<br />

electronic packages assembled are BTCs, with their<br />

numbers over 50 billion a year. One of the most common<br />

BTCs is the quad-flat pack no-leads (QFN). One<br />

of the primary attributes of QFNs is dissipating heat,<br />

therefore, any voiding of the solder connecting the<br />

thermal pad on the QFN to the printed wiring board<br />

(PWB) will degrade the intended performance of the<br />

QFN. This degraded thermal performance may result<br />

in reliability and operational issues. While degraded<br />

thermal performance may not be a critical issue for<br />

some consumer products, the rapid growth of automobile<br />

electronics and the emergence of 5G telecom<br />

equipment makes robust thermal performance of<br />

QFNs vital.<br />

Original investigation<br />

Generally, there are no industry standards as to<br />

what is an acceptable voiding level, although there is<br />

agreement that an average void area should be less<br />

than 50% with no single void above 40%. For thermal<br />

pads, a void area of less than 25% is preferred,<br />

and some automotive applications aim for an average<br />

void area of less than 10%. Clearly, all assemblers<br />

desire a minimum amount of voiding. However,<br />

the processes and materials available may limit<br />

this goal.<br />

Significantly reducing voiding is not necessarily a<br />

quick fix. Optimized solder paste and process conditions;<br />

control of the PWB and components; and a<br />

stencil printer, component placement equipment,<br />

and a reflow oven that are optimized to minimize<br />

voiding are needed.<br />

In our experiments, the PWB pad finish was ENTEK<br />

Plus CU-106A-HT OSP. We used laser cut, non-nanocoated<br />

steel stencils that were 0.004“ and 0.005“<br />

thick. We used a window pane stencil design in the<br />

PWB thermal pad area to allow volatiles to escape.<br />

The window pane squares were 0.088“ on each side.<br />

The squeegee printing speed was 100mm/s with a<br />

pressure of 6 kg. Printer separation speed was 5mm/s<br />

at a distance of 2mm. We performed a stencil wipe<br />

(W/D/V) before each board. The QFN we assembled<br />

had a square ground plane of 7.75mm (0.30“) per side.<br />

We performed reflow in air with Profile #1—a<br />

straight ramp profile (0.9˚C/second ±0.1˚C/second)<br />

and a peak temperature of 241˚C ±4˚C for most investigations.<br />

However, a second profile (Profile #2)<br />

with a peak temperature of 254˚C ±4˚C was also investigated<br />

to determine the effect of the reflow profile<br />

on voiding. A variety of solder pastes was used<br />

that had halogen-free and halogen-containing<br />

fluxes and different solder particles sizes (e.g., Type<br />

3, Type 4, Type 4.5, and Type 5).<br />

34 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Source: Indium Corporation<br />

Many parameters affect voiding, as shown in this cause and effect diagram<br />

Reflow profile effects<br />

Profile #1 is a ramp-to-peak profile with a maximum<br />

temperature of approximately 240˚C ±4˚C.<br />

Profile #2 has a slight soak and a peak at 254˚C ±4˚C<br />

and has a slightly higher time above liquidus of 77<br />

seconds versus 70 seconds.Profile #2 had significantly<br />

better voiding results, yielding less than 8%<br />

void area versus 22% for Profile #1. Not only does<br />

Profile #2 significantly reduce the area of voiding,<br />

the scatter in the data is also greatly reduced.<br />

Our theory is that the hotter profile is more successful<br />

in driving out the volatiles than the cooler<br />

profiles. This concept is easy to understand when one<br />

considers that the vapour pressure of most solvents<br />

increases considerably at higher temperatures.<br />

this difference is significant. We believe that the<br />

5mil stencils exhibit less void area because the<br />

higher stand-off (0.005“ vs. 0.004“) allows for easier<br />

outgassing/venting of the solder paste flux volatiles.<br />

Stencil thickness<br />

We performed experiments in the conditions described<br />

with Profile #1 using two stencil thicknesses<br />

of 4mils and 5mils. A Tukey analysis indicated that<br />

Many parameters affect<br />

voiding, as shown in this<br />

cause and effect diagram<br />

Source: Indium Corporation<br />

Hall A4 - Booth 155<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 35


» PCB & ASSEMBLY<br />

Source: Indium Corporation<br />

Profile #1 vs. Profile #2<br />

Solder paste particle size<br />

We experimented with varying the solder paste<br />

particle size. The stencil thickness of 0.004“ and Profile<br />

#1 were used. The results of this indicate that<br />

there appears to be a slight reduction in void area<br />

with small solder paste particle sizes going from Type<br />

4 to 4.5 to 5; however, there is a significant increase<br />

in voiding area percent with Type 3 paste.<br />

Source: Indium Corporation<br />

The void area percentages for Profile #1 and Profile #2. Note<br />

the dramatic reduction with Profile #2<br />

Zusammenfassung<br />

Obwohl es viele Faktoren gibt, die beim Lötprozess zu<br />

Lunkern führen, können durch die Anwendung eines<br />

Standardprozesses, wie er hier beschrieben wird,<br />

mehrere Parameter eingestellt werden, um Lunker zu<br />

minimieren.<br />

Résumé<br />

De nombreux facteurs peuvent causer l’apparition de<br />

creux à la soudure, mais ce problème peut être évité<br />

grâce au réglage de plusieurs paramètres d’un<br />

processus standard, comme expliqué ici.<br />

The voiding area percent for selected solder pastes for Profile<br />

#1 and Profile #2. Note that Profile #2 not only reduces<br />

the void percentages, but significantly reduces the standard<br />

deviation or spread in the data<br />

Source: Indium Corporation<br />

Резюме<br />

Хотя существует множество факторов,<br />

приводящих к образованию пустот в процессе<br />

пайки, использование описанного здесь<br />

стандартного процесса позволят настроить<br />

некоторые параметры для сведения пустот к<br />

минимуму.<br />

The 0.004“-thick stencils exhibit more than 4% more void<br />

area than 0.005“ stencils<br />

Source: Indium Corporation<br />

36 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Source: Indium Corporation<br />

The 0.004“-thick stencils exhibit more than 4% more void<br />

area than 0.005“ stencils<br />

Source: Indium Corporation<br />

There appears to be a<br />

slight reduction of<br />

void area with smaller<br />

particle sizes in the<br />

solder paste from<br />

types 4 to 4.5 to 5.<br />

Only the difference<br />

between type 3 and<br />

the other sizes is<br />

statistically significant<br />

The top X-ray images<br />

show poor area voiding<br />

percentages greater than<br />

30%, while the bottom<br />

photos show voiding of<br />

less than 10%<br />

Source: Indium Corporation<br />

Void percent area as a function of solder pastes. Note the<br />

significant difference between pastes, some as low as 5%<br />

voids and others around 45%<br />

Source: Indium Corporation<br />

Solder pastes<br />

We performed a final experiment in which we<br />

evaluated the effect of different solder paste flux vehicles<br />

on voiding. Three PCBs with 12 QFNs each<br />

were used for each solder paste, for a total of 36<br />

QFNs per paste. The results were striking, as seen in<br />

Figure 11. Some pastes produced about 5% voids,<br />

while others produced as much as 45%. These results<br />

were not only surprising, but also very encouraging.<br />

While the generation of voids is a complicated<br />

process with many variables, selecting the solder<br />

paste alone, with a standard assembly process can<br />

assure voiding area levels of less than 10%.<br />

Conclusions<br />

Although the factors that generate voids are many,<br />

by adopting a standard process as described, several<br />

parameters can be set to minimize voiding. The<br />

strongest determinant in the assembly process is to<br />

have a hotter peak temperature reflow profile. This<br />

factor alone reduced voiding area percent from an<br />

average of about 22% to less than 8%. Although<br />

finer solder particle size reduces solder voiding, the<br />

result was only statistically significant by going from<br />

Type 3 to Type 4 or finer. Type 3 pastes produced<br />

more than 10% more void area than Type 4 or finer.<br />

Using a stencil thickness of 5mils reduced voiding<br />

about 4% on average as compared to 4mil stencils.<br />

The greatest surprise, however, was how significant<br />

solder paste formulations were in reducing voiding.<br />

The better solder pastes significantly reduced voiding<br />

to less than 6% void area, whereas the worst paste<br />

produced greater than 45% voiding.<br />

Productronica, Booth A4.309<br />

www.indium.com<br />

To be continued...<br />

The second part of this paper, in<br />

which Flanagan, Belfield, and<br />

Hotvedt detail the additional<br />

investigations they have undertaken<br />

to identify and refine void reduction<br />

strategies will be published in our<br />

April 2024 issue.<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 37


» PCB & ASSEMBLY<br />

White paper: ‘flying’ SMD components - part two<br />

How to combat the ‘flying’ SMD<br />

components phenomenon<br />

The first part of this white paper - published in our April 2023 issue - described how<br />

the investigation to determine the influence of flow temperature on SOD323s being<br />

blown away was conducted. This second part examines the test results, and reveals<br />

the best methods to ensure these components are reliably processed.<br />

» Dr. Paul Wild, Carsten Giersberg, Rehm Thermal Systems GmbH<br />

The simulation results demonstrate that the<br />

maximum forces act upon different components<br />

and that there is no component for which a force resulting<br />

from all three directions of action must be<br />

taken into account as the greatest force.<br />

As the graphs opposite show, the maximum force<br />

in the X direction acts upon the smaller side surface<br />

of component 8. This force amounts to 45 µN. The<br />

maximum force in the Y direction (buoyancy force)<br />

acts upon the upper side of component 14 and<br />

amounts to 25 µN. The maximum force in the Z direction<br />

(graph on page 40) acts upon the larger side<br />

surface of component 25 and amounts to 52 µN. As<br />

the forces in the X and Z directions act upon component<br />

side surfaces of equal size, only the force in the<br />

Z direction will be regarded as the blowing force in<br />

the following, and the force in the Y direction will be<br />

regarded as the buoyancy force. The table below<br />

summarizes simulation results for the Y and Z directions.<br />

If flow velocity can be measured or determined<br />

numerically as described above, the force acting<br />

upon an object as a result of such flow can be calculated<br />

using the equation: F W<br />

=c 1 W<br />

/ 2<br />

pv 2 A<br />

The case in hand involves a rectangular body with<br />

a flow circulating around it. With a body of this type,<br />

resistance coefficient c W<br />

comprises 100% of the<br />

form resistance of the body and amounts to 1.1 [J.<br />

Zeitler & G. Simon, Physik für Techniker, 2016].<br />

Forces in the Z-direction can be calculated using<br />

density of air p (1.225kg/m³), the largest side surface<br />

area A of the component (1.53 x 10–6m²) and velocity<br />

values shown in the table below.<br />

Comparison of the forces reveals that, especially<br />

for higher velocities, the results of the two methods<br />

differ greatly. This can be attributed to finer flow<br />

state resolutions achieved with the CFD method, including<br />

detachment phenomena and so on.<br />

Calculation & comparison of forces<br />

The holding forces for the three cases are calculated<br />

and compared with those numerically ascertained.<br />

1. Without solder paste at 45% fan power<br />

In the Y direction<br />

In accordance with the formula: F G<br />

=mg<br />

with a component mass m of 0.0045g and gravitational<br />

acceleration of 9.81m/s², force due to<br />

weight amounts to 44 µN. This is greater than the<br />

buoyancy force of 16.2 µN, so the component cannot<br />

be raised.<br />

In the Z direction<br />

Without solder paste and according to the<br />

equation: F H<br />

=μmg<br />

Simulated maximum flow velocities and blowing forces acting on SOD323<br />

Direction<br />

45<br />

Fan Power [%]<br />

91<br />

100<br />

Force [µN]<br />

Velocity [m/s]<br />

Force [µN]<br />

Velocity [m/s]<br />

Force [µN]<br />

Velocity [m/s]<br />

Y<br />

16.2<br />

31<br />

34.5<br />

Z<br />

33.7<br />

5.1<br />

65<br />

9.6<br />

71.3<br />

10.5<br />

38 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Forces in X direction (transport direction) on all SOD323s, parts 1 through<br />

20 at right angle to and parts 21 through 36 parallel to transport direction<br />

Source: Rehm Thermal Systems<br />

Forces in Y direction (positive, upwards) on all SOD323s, parts 1 through<br />

20 at right angle to and parts 21 through 36 parallel to transport direction<br />

Source: Rehm Thermal Systems<br />

static frictional force is 32.7 µN assuming a static<br />

friction coefficient µ of 0.74 for tin on tin [P. J. Blau,<br />

Friction Science and Technology: From Concepts to<br />

Applications, 2008]. Static frictional force is smaller<br />

than the determined lateral wind force of 33.7 µN,<br />

and thus the component is blown away.<br />

2. With solder paste at 100% fan power and 23°C<br />

Solder paste rheology<br />

Solder paste has to meet a broad range of requirements<br />

for the production of electronic PCBs. The<br />

solder paste’s flux has to demonstrate specific properties<br />

for each process step. Solder pastes can be<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 39


» PCB & ASSEMBLY<br />

Forces in Z direction (at<br />

right angle to transport<br />

direction) on all SOD323s,<br />

parts 1 through 20 at<br />

right angle to and parts<br />

21 through 36 parallel to<br />

transport direction<br />

Source: Rehm Thermal Systems<br />

Comparison of forces in the Z direction from CFD simulation and calculation<br />

About Rehm<br />

Rehm Thermal Systems is a specialist in the area of thermal<br />

system solutions for the electronics and photovoltaic<br />

industries and is among the leaders in technology<br />

and innovation in the modern, cost-effective production<br />

of electronic assemblies. As a global manufacturer of reflow<br />

soldering systems with convection, condensation or<br />

a vacuum, drying and coating systems, functional testing<br />

systems, equipment for metallisation of solar cells<br />

and numerous customised special systems, we have a<br />

presence in all the relevant growth markets and, as a<br />

partner with over 30 years of industry experience, we arrive<br />

at innovative production solutions that set new standards.<br />

Source: Rehm Thermal Systems<br />

classified as non-Newtonian and thixotropic fluids.<br />

Viscosity, and thus any response to a force, is dependent<br />

on the shear rate for this reason.<br />

In solder paste, stress is converted by means of<br />

shear into an elastic strain component and a plastic<br />

deformation component. After stressing has ended,<br />

the elastic strain component causes the solder paste<br />

to relax. The transition from the elastic to a plastic<br />

strain component is called the yield point [G. Diepstraten<br />

& D. Wu, ‘Estimating Stencil Life and Ideal<br />

Heating Profile of Solder Paste Using Advanced<br />

Thermo-Gravimetric Analysis’]. The yield point is<br />

temperature-dependent and should be determined at<br />

lower shear rates. The shows the yield points of various<br />

solder pastes as a function of temperature.<br />

A further solder paste characteristic is its so-called<br />

wet tackiness. The solder paste’s adhesive strength<br />

over a period of time ensures that components adhere<br />

to the printed paste not only immediately after<br />

assembly, but rather up through the soldering process<br />

as well. Wet tackiness counteracts component<br />

uplift due to the buoyancy force resulting from the<br />

flow of air or nitrogen.<br />

Force relationship<br />

for an SOD323<br />

model<br />

Source: Rehm Thermal Systems<br />

40 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Yield points of various solder<br />

pastes as a function of temperature<br />

[A. Sharma, S. Mallik,<br />

N. Ekere and J.-P. Jung,<br />

‘Printing Morphology and<br />

Rheological Characteristics of<br />

Lead-Free Sn-3Ag-0.5Cu<br />

(SAC) Solder Pastes’, 2014]<br />

Source: Rehm Thermal Systems<br />

In the Y direction<br />

Buoyancy force in the Y direction at 100% fan<br />

power is 34.5 µN and is thus smaller than the weight<br />

force of the component which amounts to 44 µN.<br />

Taking the additional wet tackiness of the solder<br />

paste into account, the component cannot be displaced<br />

in this direction by the wind forces.<br />

In the Z direction<br />

As described in ‘Experimental Investigations’,<br />

blown off components (at 91% fan power and 180°<br />

C) in proximity to the pads exhibit failure due to<br />

shear stress. The diagram overleaf offers a schematic<br />

representation of shear stress on the solder paste<br />

layer as a result of lateral wind force.<br />

The fact that the shear stress on the solder paste<br />

does not occur abruptly, but gradually, must also be<br />

taken into account. The component moves into the<br />

flow of air at 16.7 mm/s, and blowing force increases<br />

as it gets closer to a nozzle. When this force exceeds<br />

the solder’s yield force, the component moves.<br />

Yield force F F<br />

with cross-sectional surface area A<br />

amounting to 1.35 x 10–7 m², which is equivalent to<br />

the contact surface of a lead, and a yield point σ F<br />

of<br />

273 N/m² at 23° C can be calculated with the<br />

formula: F F<br />

=2Aσ F<br />

and amounts to 73.7 µN. Blowing force in this direction<br />

is 71.3 µm and is smaller than the calculated<br />

yield force. It should also be noted that the solder<br />

paste is squeezed out around the lead after placement,<br />

increasing the effective surface area of the<br />

paste being sheared. If this arises, an area larger than<br />

just the connection area must be anticipated.<br />

Stress-free Cutting Services<br />

Laser cutting of the smallest geometries with excellent<br />

cutting quality and high flexibility of rigid and flexible PCBs.<br />

Find out more: www.lasermicronics.com<br />

productronica: November 14–17, Hall B2, Booth 303<br />

LaserMicronics is a brand of LPKF Group:<br />

LPKF Laser & Electronics SE Phone +49 (5131) 7095-0<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 41


» PCB & ASSEMBLY<br />

3. With solder paste at 91% fan power and 180° C<br />

Component blow-off was observed at 180° C with<br />

91% fan power. As shown in the graph on page 41,<br />

the yield point of the solder paste decreases as a<br />

function of temperature. In zone 2, in which the<br />

knocked over components were discovered, the PCB<br />

had a temperature of 67° C. No results for the yield<br />

point of the solder paste are available for this temperature.<br />

For this reason, the yield point for solder<br />

paste 3 is extrapolated from the graph based on the<br />

assumption of a linear characteristic curve. The yield<br />

point is 162 N/m² and the resulting yield force is<br />

43.74 µN. This is smaller than the simulated force of<br />

65 µN, and the component is blown off. Considerable<br />

deviation of these forces can be attributed to the<br />

lack of yield point data at higher temperatures.<br />

Zusammenfassung<br />

Der erste Teil des Whitepapers zeigte auf, wie die<br />

Untersuchung zur Bestimmung des Einflusses der<br />

Vorlauftemperatur auf wegfliegende SOD323-Bauteile<br />

durchgeführt wurde. In diesem zweiten Teil<br />

werden die Testergebnisse untersucht und die<br />

besten Methoden aufgezeigt, um eine zuverlässige<br />

Verarbeitung dieser Bauteile zu gewährleisten.<br />

Résumé<br />

La première partie du livre blanc détaille le<br />

protocole des recherches autour de la<br />

détermination de l’influence de la température du<br />

flux sur les pièces SOD323 projetées. Cette seconde<br />

partie expose les résultats des tests et les<br />

meilleures méthodes pour garantir une préparation<br />

fiable de ce composant.<br />

Резюме<br />

В первой части технического описания было<br />

показано, как проводилось исследование для<br />

определения влияния температуры<br />

подаваемого теплоносителя на отлетающие в<br />

сторону компоненты SOD323. В этой второй<br />

части рассматриваются результаты испытаний<br />

и показаны наилучшие методы, гарантирующие<br />

надежную обработку этих компонентов.<br />

Schematic representation of shear stress on the solder paste<br />

due to wind force<br />

Summary<br />

The investigation results presented here show that<br />

the SOD323 can be reliably processed by selecting<br />

appropriate solder and using the right oven settings.<br />

The default setting, i.e. 73% fan power, provides a<br />

sufficient safety margin relative to determined limit<br />

loads at 91% fan power. For some PCBs, for example<br />

with very large coils or pin-in-paste technology, frequencies<br />

and thus fan power as well must be increased<br />

in order to intensify heat transfer into the<br />

PCB. It’s advisable to check these PCBs for the presence<br />

of flow-sensitive SOD323s and, if necessary, to<br />

run a test with an assembled PCB if the frequencies<br />

need to be increased.<br />

If fluctuations occur for other parameters like connection<br />

surface tolerances or solder paste properties,<br />

different relationships must be reckoned with. For<br />

example, the tolerance-related reduction of the connection<br />

surface area to 0.25 x 0.3 mm, instead of the<br />

typical 0.3 x 0.45 mm, causes a yield force reduction<br />

to 40.9 µN. As a result, the component can no longer<br />

withstand the ascertained blowing force of 71.3 µN.<br />

Productronica, Booth A4.335<br />

www.rehm-group.com<br />

Check out part one<br />

The first part of this white paper was<br />

published in our April 2023 issue,<br />

and described how the investigation<br />

on the influence of flow temperature<br />

on SOD323s being blown away was<br />

set up and conducted.<br />

Source: Rehm Thermal Systems<br />

42 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Product Updates « PCB & ASSEMBLY<br />

On show at Productronica 2023<br />

Sustainable replacements for discontinued cleaning fluids<br />

MicroCare will exhibit its newest product innovations<br />

at Productronica 2023 and highlight its sustainable,<br />

high-performing replacements for the soon-to-be discontinued<br />

3M Novec specialty cleaning fluids.<br />

Due to emerging regulations on PFAS (per-and polyfluoroalkyl<br />

substance) manufacturing, 3M will cease<br />

manufacturing fluoropolymers, fluorinated fluids,<br />

and PFAS-based additive products by the end of<br />

2025, which includes popular Novec variants like<br />

7100, 71DE, 7200, 72DE, 72DA, and 73DE. MicroCare<br />

is stepping up to offer outstanding alternatives.<br />

These replacement fluids deliver superior performance<br />

in removing various soils encountered during<br />

manufacturing processes, including oil, grease, particulate,<br />

inks, and fingerprints while prioritizing sustainability.<br />

Among the portfolio highlights are the Tergo HDF<br />

(Heavy Duty Fluid) and Tergo GCF (General<br />

Cleaning Fluid). Both solutions have low GWP<br />

(Global Warming Potential) and zero ODP<br />

(Ozone Depleting Potential) ratings, ensuring<br />

compliance with strict environmental regulations.<br />

Additionally, their azeotropic properties<br />

make them chemically stable and nonflammable<br />

in vacuum and vapour degreasers, providing<br />

a reliable and safe cleaning process. These<br />

fluids are the perfect replacement for products<br />

under scrutiny or being discontinued.<br />

“Productronica presents an exceptional platform for<br />

us to engage directly with industry professionals, enabling<br />

us to showcase our cutting-edge cleaning<br />

fluids and tools,” said Scott Wells, General Manager.<br />

Productronica, Booth A4–101<br />

www.microcare.com<br />

Source: MicroCare<br />

Due to regulations on<br />

PFAS manufacturing, 3M<br />

will cease manufacturing<br />

fluoropolymers, fluorinated<br />

fluids, and PFASbased<br />

additive products<br />

by the end of 2025<br />

Low-temperature solder (LTS) materials<br />

Low temperature ball attachment process solutions<br />

Source: Shenmao<br />

PF734-S, built upon an<br />

improved low-temperature<br />

alloy PF734, outperforms<br />

conventional<br />

low-temperature alloys<br />

like 42% Sn and 58%<br />

Bi, says the company<br />

Shenmao America has introduced a range<br />

of low-temperature solder (LTS) materials<br />

in response to the growing demand for<br />

ultra-thin packages in the electronics industry.<br />

The company says its (LTS) materi-<br />

als are specially engineered to reduce reflow<br />

temperatures, mitigating PCB and<br />

substrate deformation, saving energy, reducing<br />

thermal stability requirements of<br />

substrates and components, and ultimately<br />

enhancing yield rates.<br />

PF734-S, built upon an improved lowtemperature<br />

alloy PF734, outperforms<br />

conventional low-temperature alloys like<br />

42 % Sn and 58 % Bi. The low-temperature<br />

flux solutions, SMF-80 and SMF-<br />

WC63, deliver excellent workability and<br />

are formulated with special activators<br />

that optimize wettability and solderability.<br />

The no-clean flux SMF-80 eliminates<br />

the need for post-reflow cleaning while<br />

maintaining high reliability and insulation<br />

with minimal flux residue. On the<br />

other hand, the water-soluble flux SMF-<br />

WC63 offers outstanding cleanability, and<br />

any flux residue left after reflow can be<br />

easily cleaned with water, ensuring exceptional<br />

surface cleanliness.<br />

www.shenmao.com<br />

Productivity. Profitability.<br />

We Connect<br />

Munich Trade Fair, November 14-17<br />

Hall B4, Booth 119<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 43


» PCB & ASSEMBLY<br />

The 5S lean manufacturing methodology in PCB production<br />

Improve benchtop cleaning,<br />

reduce waste with 5S<br />

Developed in Japan, 5S is a workplace organisation method used in physical<br />

manufacturing to eliminate waste. Elizabeth Norwood, Senior Chemist at cleaning<br />

solutions provider MicroCare, reveals how this lean, clean philosophy can be<br />

usefully applied in benchtop cleaning practices.<br />

extremely valuable process in PCB production, and<br />

especially benchtop cleaning. Adopting the 5S lean<br />

manufacturing method can help PCB manufacturers<br />

achieve better cleaning results at the benchtop, and<br />

thus increase efficiency and yield by reducing the<br />

number of faulty components and boards that land<br />

in the scrap pile.<br />

Optimising cleaning<br />

tools and workflow<br />

will lead to increased<br />

efficiency and reduced<br />

waste<br />

Although PCB shortages may be starting to stabilise,<br />

but the electronics industry continues to<br />

feel their impact. Exacerbating this issue for PCB<br />

manufacturers is the fact that the electronic components<br />

market continues to rapidly expand – with the<br />

sector predicted to grow by USD 122.44 billion (EUR<br />

116 billion) between 2022 and 2027, at a CAGR of<br />

7.02%. To avoid delays, PCB fabricators must find<br />

flexible and innovative strategies to ensure production<br />

continues. Options may include modifying designs or<br />

using alternative parts, but there is a more obvious<br />

solution: increase efficiency by decreasing waste.<br />

Electronics manufacturers must implement<br />

methods to ensure every electronic component is optimally<br />

utilised. An effective way to do this is to<br />

adopt tried and tested lean manufacturing processes<br />

such as the 5S methodology. This approach benefits<br />

all kinds of production environments and can be an<br />

Source: MicroCare<br />

What is 5S?<br />

The 5S philosophy can be summed up as: ‘a place<br />

for everything and everything in its place’. The name<br />

refers to five Japanese words beginning with ‘S’ that<br />

represent a 5-step process to organize the working<br />

environment. These terms can be translated into 5<br />

comparable English words:<br />

• Seiri/Sort: Separate tools/components that are<br />

necessary from those that are not.<br />

• Seiton/Set: Organise and categorise tools/components<br />

for ease of access and ease of use.<br />

• Seiso/Shine: Clean up the working environment.<br />

• Seiketsu/Standardise: Create standards and guidelines<br />

to uphold these practices.<br />

• Shitsuke/Sustain: Follow the first four ‘S’s on a<br />

long-term basis by always maintaining the correct<br />

procedures.<br />

Toyota first introduced something akin to the 5S<br />

methodology into its production in the 1950s – hoping<br />

to reduce manufacturing waste and inefficiency.<br />

It was discovered that by applying what later became<br />

known as the 5S concept, production ran more<br />

effectively because the workplace was clean and<br />

well-organised. This made it easier to see defects, all<br />

of which ultimately reduced waste and improved<br />

quality and output.<br />

The 5S strategy offers a large number of benefits<br />

to companies that adopt it. As well as reducing<br />

waste and optimising productivity, it also helps to<br />

enhance safety, improve quality and reduce costs. It<br />

is estimated that efficiency gains of 10% to 30% can<br />

be achieved using this method.<br />

44 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


5S and cleaning processes<br />

One of the main causes of PCB failure is contamination.<br />

If not cleaned sufficiently, PCBs are susceptible<br />

to many problems – from electrochemical migration<br />

and delamination to parasitic leakage, dendrite<br />

growth and shorting. Cleaning is crucial to ensuring<br />

the reliable, long-term performance of a PCB.<br />

Cleaning processes should be quick and consistent.<br />

Implementing the 5S methodology helps achieve this<br />

goal.<br />

Seiri / Sort<br />

To begin, it is essential to look at all the items on<br />

the benchtop and ask yourself the following questions:<br />

• Is this item necessary to clean the PCB and electronic<br />

components?<br />

• When was it last used?<br />

• Does it clean effectively?<br />

In this way, you can determine which items on the<br />

benchtop are required for the job. Certain tools and<br />

cleaning fluids may have worked well last year but as<br />

new designs and components are introduced, these<br />

may no longer perform as they once did. A no-clean<br />

solder paste may have been added to the assembly<br />

process and the available flux remover may not be<br />

strong enough to remove the stubborn no-clean flux<br />

white residue, for instance. Perhaps a fragile or<br />

moisture-sensitive component has been added to the<br />

design which can only be hand-soldered. Selectively<br />

soldered PCBs usually undergo ‘spot-cleaning’ at the<br />

benchtop using aerosol flux remover and a brush but<br />

if the cleaning fluids are too strong for these delicate<br />

components, they can cause damage and result in<br />

scrapped boards.<br />

A controlled cleaning fluid dispensing system is an<br />

essential tool on every PCB cleaning bench. When<br />

appropriately used, this system improves PCB cleaning<br />

results by targeting dirty areas on the board, getting<br />

under low-mounted components and permeat-<br />

Contaminated PCBs<br />

typically will not pass<br />

final inspection<br />

Source: MicroCare<br />

Messe Frankfurt Group<br />

11 – 13.6.2024<br />

NUREMBERG, GERMANY<br />

DRIVING<br />

MANUFACTURING<br />

FORWARD<br />

Shape the future of electronics<br />

manufacturing and become<br />

part of the community.<br />

Join us an<br />

exhibitor<br />

smtconnect.com<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 45


A dispensing system<br />

controls the fluid flow<br />

to reduce cleaning<br />

fluid waste and enhances<br />

worker safety<br />

by limiting the amount<br />

of cleaning fluid<br />

fumes released into<br />

the air<br />

Source: MicroCare<br />

ing tight spaces for perfect for spot cleaning. It also<br />

controls the fluid flow to reduce waste and enhances<br />

worker safety by limiting the amount of cleaning<br />

fluid fumes released into the air.<br />

Seiton / Set<br />

The second step is ‘set’ or ‘straighten’. This is at the<br />

heart of the phrase ‘a place for everything and everything<br />

in its place’. All items that have been deemed<br />

necessary should be organized logically and<br />

methodically. This can be achieved by giving each a<br />

designated area and labelling it for quick identification.<br />

This lessens the need for extra inventory and<br />

cuts down on search time.<br />

Think about how the cans of aerosol cleaning fluid<br />

are arranged on the work surface, for example. Removing<br />

aerosol cans and storing them in mounted<br />

Zusammenfassung<br />

Die in Japan entwickelte 5S-Methode zur Arbeitsplatzorganisation<br />

wird in der Fertigung eingesetzt, um<br />

Verschwendung zu vermeiden. Der Artikel zeigt auf,<br />

wie diese Philosophie sinnvoll auf Praktiken der Labortischreinigung<br />

angewendet werden kann.<br />

Résumé<br />

La méthode des 5 S développée au Japon pour<br />

organiser l’espace de travail est utilisée dans la<br />

fabrication pour éviter le gaspillage. L’article dévoile<br />

comment appliquer cette philosophie au nettoyage<br />

des tables de laboratoire.<br />

Резюме<br />

В производстве используется разработанный в<br />

Японии метод организации рабочего места 5S,<br />

направленный на избежание расточительного<br />

использования ресурсов. В статье показано, как<br />

эту философию можно рационально применить к<br />

практике очистки лабораторных столов.<br />

holders on the work bench legs frees up workspace<br />

and keeps cleaning fluids easily accessible – meaning<br />

less time spent looking for the appropriate fluid.<br />

Seiso / Shine<br />

Shine refers to cleaning. Everything must be clean,<br />

tidy, and neatly stored in its place. How can the PCB<br />

or components be clean if the benchtop you are<br />

working from isn’t? If a benchtop is covered in dirt<br />

and dust, it will negatively affect the cleaning process<br />

and exacerbate other problems like electrostatic<br />

discharge (ESD).<br />

ESD is a major cause of PCB failure and is estimated<br />

to cause a third of PCB losses. It occurs when<br />

a board comes in contact with an object with the opposite<br />

electrical charge and creates an ESD spike,<br />

This damages boards and their sensitive electronic<br />

components.<br />

While it is impossible to prevent or eliminate all<br />

ESD, some practical ways to reduce it during SMT<br />

(surface mount technology) production include<br />

keeping the benchtop clean. Many work surfaces and<br />

tools used to assemble, clean and test PCBs hold<br />

static charges. It is important to dissipate the<br />

charges and remove the dirt by wiping down all tools<br />

and surfaces with pre-saturated, ESD-reducing<br />

cleaning wipes.<br />

ESD wipes are formulated to remove grime, grease<br />

and fingerprints without leaving lint, residue or<br />

static charges behind. They are a good general cleaner<br />

that will not dry out the ESD mats, cause fissures<br />

or leave mats brittle. Cleaning with ESD pre-saturated<br />

wipes helps ensure tools, surfaces and equipment<br />

are both clean and non-conductive.<br />

Seiketsu / Standardise<br />

This step ensures that all the progress made in the<br />

first three steps are not for nothing. By standardising<br />

these steps, 5S becomes a repeatable process that<br />

every technician follows. Creating a checklist and<br />

ensuring all workers follow the same procedures, and<br />

carry out cleaning processes correctly, will help ensure<br />

that consistent, high-quality PCB cleaning becomes<br />

standard practice. This in turn will help to reduce<br />

waste.<br />

46 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


PCB & ASSEMBLY «<br />

Shitsuke / Sustain<br />

Sustain is the final stage that helps technicians<br />

maintain all that has been implemented over the<br />

previous four stage. Companies must maintain the<br />

5S procedures and update and adapt them as<br />

necessary.<br />

It is essential to involve the entire workforce in the<br />

5S approach: the management team, those working<br />

at the PCB cleaning workbench, and staff in inspection<br />

and quality control. Regular training is a good<br />

way to keep everyone updated on the process and to<br />

ensure long-term success.<br />

The sixth ‘S’<br />

An additional sixth step that some companies<br />

adopt when using the 5S methodology is ‘Safety’. It<br />

concentrates on eliminating workplace risks and<br />

raising standards.<br />

It is important to examine cleaning fluids and<br />

equipment and carefully review the SDS (safety data<br />

sheets) to make sure they are appropriate for usage.<br />

Advanced PCB cleaning solutions are safer for exposed<br />

employees since they are designed to be nonflammable,<br />

have better toxicity profiles, and high<br />

threshold limit values (TLVs), making them safer for<br />

users.<br />

As mentioned above, a controlled cleaning fluid<br />

dispensing system is an effective tool. Cleaning fluid<br />

is distributed through a closed aerosol system, restricting<br />

worker exposure to any gases and lowering<br />

the possibility of spillage<br />

and fire hazards.<br />

As component shortages<br />

continue, PCB manufacturers<br />

are making every part<br />

count. Ineffective PCB<br />

cleaning not only affects the<br />

quality and reliability of any<br />

electronic device but can<br />

also leave the PCB unusable.<br />

When considering PCB<br />

cleaning, look for methods<br />

like ‘5S Plus Safety’ to help<br />

to optimise the process, and<br />

reduce waste.<br />

Productronica, Booth A4.101<br />

www.microcare.com<br />

About the author<br />

Elizabeth Norwood is a Senior<br />

Chemist at MicroCare, provider<br />

of precision cleaning solutions.<br />

She has been in the industry for<br />

more than 25 years and has a<br />

BS in Chemistry from the University<br />

of St. Joseph, Connecticut.<br />

Norwood researches, develops<br />

and tests cleaning-related<br />

products. She currently has one<br />

patent issued and two pending<br />

for her work.<br />

There are always two<br />

sides to every story!<br />

New AOI system for top<br />

and bottom inspection<br />

www.viscom.com<br />

Booth A2.177<br />

NEW<br />

3D AOI<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 47


» PCB & ASSEMBLY<br />

Source: ArtiMinds Robotics<br />

No-code / low-code tools simplify and speed up robot programming thanks to their template-based approach<br />

Implementing robots in a time and cost-efficient manner<br />

Why no-code & low-code tools<br />

are vital in robotics<br />

There are various stumbling blocks when it comes to implementing automation tools<br />

that users often underestimate. In this article, automation solutions provider Artiminds<br />

reveals how new no-code and low-code software tools can help manufacturers avoid<br />

these pitfalls and facilitate flexible, simplified robot programming.<br />

» Silke Glasstetter, Head of Marketing, ArtiMinds Robotics<br />

Using robots is almost always worthwhile for<br />

companies. They can reduce labour costs, relieve<br />

employees, and make production more flexible<br />

– particularly as batch sizes become smaller and production<br />

processes more individual. Another major<br />

advantage of robots or cobots is that they work<br />

without breaks or fatigue, thereby increasing product<br />

quality and reducing scrap.<br />

Almost all processes can be automated using modern<br />

robot systems. Robots are often used for simple,<br />

dirty, monotonous, physically demanding, and even<br />

dangerous tasks. With the right hardware and, more<br />

importantly, software, however, highly complex or<br />

demanding tasks can also be tackled using ‘Advanced<br />

Robotics’. Examples of such applications include the<br />

assembly of flexible and bendable components such<br />

as cables, wires, or hoses or force-controlled surface<br />

processing.<br />

In line with the no-code/low-code trend, various<br />

software solutions on the market now enable graphical<br />

(and therefore simplified) programming. The advantage<br />

of this is that no special programming skills<br />

are required. The portfolio of solutions in this area<br />

ranges from manufacturer specific to independent<br />

offerings that can be used to program robots from<br />

different manufacturers using just one single piece<br />

of software. In the latter case, experts recommend<br />

using tools that automatically generate native robot<br />

code for the particular robot controller instead of<br />

controlling the robot arm via a separate IPC. In the<br />

former case, users are able to remain flexible when it<br />

comes to adjustments or optimizations during operation<br />

because they can continue to program the<br />

robot using line code (even without using the software),<br />

and thus avoid a lock-in effect.<br />

Regardless of whether you are using external en-<br />

48 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


gineering tools or line code, there are obstacles on<br />

the path to robot-based automation that users often<br />

underestimate. Here are some tips on how to avoid<br />

three of the most important stumbling blocks.<br />

Programming effort<br />

The time required to program an application is not<br />

usually underestimated, but there are other pitfalls<br />

during this phase. These include process tolerances<br />

and variances that have not been taken into account;<br />

the increased complexity of incorporating<br />

sensors, or establishing communication between the<br />

robot and a PLC. Programming a system is often a<br />

tailor-made and complex process that is difficult to<br />

adapt. Programmers often have their own style,<br />

which can make the resulting code or program difficult<br />

for other programmers to understand and/or<br />

modify. In this case, the no-code/low-code solutions<br />

currently on the market can better support users.<br />

Thanks to pre-defined function blocks, programs can<br />

be constructed and structured in a clear and understandable<br />

manner. Using the right software, process<br />

tolerances and variances can also be automatically<br />

compensated, analyzed, and optimized. If the corresponding<br />

interfaces are already integrated, the effort<br />

required to connect sensors or set up a PLC communication<br />

is also significantly reduced.<br />

Effort during commissioning<br />

Programs can be structured and made traceable using pre-defined function blocks.<br />

Before commissioning, the process can be simulated as realistically as possible in a 3D<br />

simulation environment and tested<br />

A rule of thumb states that the cost of the robot<br />

itself is only about one third of the initial cost of the<br />

cell, and experience reveals that around 45 percent<br />

of typical costs are incurred during ramp-up. This is<br />

because users often underestimate the time required<br />

for commissioning. Although the system is programmed<br />

offline and simulated in advance, discrepancies<br />

between theory and practice often only become<br />

apparent during commissioning. This means<br />

that, despite preparation, the process can take significantly<br />

longer than<br />

planned, and necessary adjustments<br />

can quickly become<br />

expensive. Factors that were<br />

not apparent during digital<br />

preparation may need to be<br />

addressed on-site during commissioning.<br />

This makes this<br />

phase difficult to calculate.<br />

Using consistent tools, rampup<br />

can be implemented in a<br />

controlled manner, and with-<br />

Source: ArtiMinds Robotics<br />

Advanced robotics applications such as the assembly of flexible cables pose a major challenge for<br />

classical robot programming<br />

Source: ArtiMinds Robotics<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 49


» PCB & ASSEMBLY<br />

When teach points can<br />

be transferred from<br />

the robot back to the<br />

programming software,<br />

this seamlessly<br />

integrates into the<br />

commissioning process<br />

and saves effort<br />

Source: Ridvan/stock.adobe.com<br />

out a significant loss of time – ensuring this phase<br />

does not become a cost driver. It is important to<br />

combine simulation, programming, sensors, and data<br />

analysis in one single software package. This way, the<br />

engineering chain is consistent without the user<br />

Zusammenfassung<br />

Drei der wichtigsten Aspekte auf dem Weg zur roboterbasierten<br />

Automatisierung werden im Artikel<br />

aufgegriffen und erläutert, wie sich die damit verbundenen<br />

Stolpersteine vermeiden lassen.<br />

Résumé<br />

L’article aborde les trois aspects les plus<br />

importants d’une transition vers l’automatisation<br />

robotisée et explique comment éviter les obstacles<br />

sous-jacents.<br />

Резюме<br />

В статье рассматривается три важнейших<br />

аспекта на пути к роботизированной<br />

автоматизации и объясняется, как можно<br />

избежать связанных с этим серьезных<br />

препятствий.<br />

having to compromise on functionality. This makes it<br />

faster, more flexible and easier to make changes and<br />

adjustments. With automatically-generated code<br />

and the ability to transfer teach points back from the<br />

robot into the software, this kind of solution can integrate<br />

seamlessly into existing commissioning and<br />

maintenance processes. It also offers the greatest<br />

flexibility in terms of online and offline programming,<br />

allowing the user to choose the easiest option<br />

to complete the respective task.<br />

Changes during cell lifecycle<br />

Over the system runtime, various changes in general<br />

conditions may occur that necessitate adjustments<br />

in programming. These could be vibrations<br />

and shocks caused by forklifts or other machines;<br />

wear and tear of tools; replacement parts that react<br />

differently from previous components or changes in<br />

workpiece batches, available space, or operating personnel.<br />

Lighting or temperature fluctuations, or the<br />

contrast between a cold-started and warmed-up<br />

robot can also have an impact.<br />

Software that standardizes and simplifies programming<br />

allows the user to react quickly and flexibly<br />

to these and other changes in conditions and to<br />

make the necessary adjustments to the program. A<br />

worker can ensure they are best prepared by using a<br />

tool that is able to make changes or visualize consequences<br />

in terms of forces, cycle times, defects and<br />

quality even earlier.<br />

Productronica, Booth B4.404<br />

www.artiminds.com<br />

50 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Product Updates « PCB & ASSEMBLY<br />

Eliminate manual placement and orientation errors<br />

BIB loader/unloader for semiconductor industry<br />

ation and options that can meet specific<br />

requirements and applications. Featuring<br />

ergonomic control panels and userfriendly<br />

software, the system eliminates<br />

the need for manual placement and<br />

orientation, ensuring reliable, accurate operations.<br />

With its automation capabilities,<br />

the system enhances operational efficiency<br />

and reduces manufacturing defects.<br />

“Lykos represents a significant leap forward<br />

in board handling technology, offering<br />

distinct advantages over traditional<br />

manual systems,” said Josef Weinberger,<br />

Head of Business Unit, Esmo semicon.<br />

The system features fully automated open<br />

top sockets loading, flexible BIB clamping<br />

Source: Esmo Group<br />

The system features fully automated open top<br />

sockets (OTS) loading, flexible BIB clamping for<br />

different sizes, and a conversion time of less<br />

than 3 minutes, including BIB change<br />

Esmo Group (esmo) has launched Lykos, a<br />

modular Burn-in Board (BIB) loading and<br />

unloading system designed to eliminate<br />

manual placement and orientation errors.<br />

With high demand for microchips, the industry<br />

needs an efficient way to manage<br />

the volume and turnaround time during<br />

burn-in, a process to detect early failures<br />

in semiconductor devices. Manual burn-in<br />

methods — including hand placement,<br />

manual flipping, and manual stacking —<br />

are slow, error-prone, and can damage<br />

delicate wafers, ultimately leading to<br />

costly downtime and product defects.<br />

Lykos, a portable device handling system,<br />

offers users modular machine configurfor<br />

different sizes, and a conversion time of<br />

less than 3 minutes, including BIB change.<br />

www.esmo-group.com<br />

Bonding technologies for OPV and perovskite-based systems<br />

Adhesives for flexible photovoltaics<br />

Source: Panacol<br />

Adhesives are applied on barrier foil to seal the<br />

delicate OPV modules<br />

Provider of adhesives, coatings, and UV/<br />

LED curing equipment, Panacol has developed<br />

a range of multi-functional adhesives<br />

for applications in flexible photovoltaics<br />

and electronics.<br />

Organic photovoltaics (OPV) and perovskite-based<br />

systems are enabling radical<br />

new applications in consumer electronics<br />

such as indoor light harvesting to<br />

extend the battery life of wearables, and<br />

outdoor energy generation solutions<br />

which would have been impossible using<br />

conventional photovoltaics.<br />

A key contributor to these advancements<br />

is in the area of bonding technologies. In<br />

line with these changes, Panacol now<br />

offers multi-functional adhesives for applications<br />

in flexible photovoltaics. In<br />

OPV applications, these provide higher resistance<br />

to environmental stresses, improved<br />

compatibility with the PV material<br />

and good adhesion to the substrates. New<br />

conductive adhesives efficiently adhere<br />

and protect electrical connections for<br />

SMD components in flexible assemblies.<br />

www.panacol.de<br />

The answer to avoid voiding<br />

Setting up a profile with our<br />

Vapour Phase Soldering Machines is like a short flight<br />

Enter the data, “take off“ and you´ve reached the destination.<br />

Trust the world market leader. Come with us on board.<br />

We are looking forward to your visit at Productronica Hall A4, Booth 216<br />

IBL-Löttechnik GmbH Messerschmittring 61-63, D-86343 Königsbrunn Tel.: +49(0)8231/95889-0 www.ibl-tech.com<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 51


» TEST & QUALITY ASSURANCE<br />

Achieving autonomous inspection<br />

How AI is revolutionising<br />

AOI and AXI systems<br />

Be it AI-supported inspection programme creation or AI<br />

classification of pseudo-defects at the verification station, the<br />

first steps towards achieving autonomous inspection have been<br />

taken. To take even more work off operators’ hands, AOI and AXI<br />

assistance systems are now being developed. Yet there’s still<br />

some way to go before optical inspection is fully automated.<br />

» Christina Schellbach, Public Relations Manager & Andreas Tuerk,<br />

Product Manager AXI, Goepel electronic<br />

Among other things, AI is<br />

used in the creation of<br />

inspection programmes<br />

and defect classification.<br />

The goal: to<br />

reduce effort and save<br />

costs. Personnel resources<br />

can be deployed elsewhere<br />

in the company<br />

AI evaluation of a welded<br />

joint in the X-ray image<br />

directly in the production line<br />

Historically, there have been several technological<br />

paradigm shifts in the field of AOI and AXI<br />

systems,” says Andreas Tuerk, product manager for<br />

X-ray systems at Goepel electronic. First, AOIs employed<br />

orthogonal cameras with illumination variants.<br />

Then oblique cameras and more sophisticated<br />

illumination of different wavelengths and directions<br />

were added. After that, 3D imaging technology was<br />

integrated to evaluate solder joints even more reliably.<br />

AXI systems have undergone a comparable<br />

trajectory. The vertical (2D) and oblique (2.5D) radiography<br />

of an assembly, mostly with analogue image<br />

intensifiers, gradually developed into 3D X-ray systems<br />

for solder joint inspection across several layers.<br />

The advent of 64-bit technology and powerful digital<br />

x-ray detectors then made AXI fast enough to use in<br />

the production line. “Until now, any fundamental<br />

Source: Tina Dietrich/Göpel<br />

Source: Göpel electronic<br />

52 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


changes in inspection technologies have been hardware<br />

related,” Tuerk explains. “The next paradigm<br />

shift will be in the area of software. And artificial intelligence<br />

will be the driver.”<br />

Saving costs and personnel<br />

In addition to machinery acquisition and maintenance<br />

costs, personnel costs have the biggest impact<br />

on the price of inspection processes. In addition to<br />

personnel to classify abnormalities at the verification<br />

station, experts are required for the creation of inspection<br />

programmes. In this area, AI can reduce<br />

human effort and save money. A clear trend for customisation<br />

is evident among electronics manufacturers<br />

across the world – small batch sizes need to be<br />

produced and inspected quickly and, of course, costeffectively.<br />

In this case, an inspection programme<br />

that works from the first assembly can be created in<br />

just a few clicks using various assistance functions.<br />

Thanks to artificial intelligence, this will be achievable<br />

without the intervention of an employee in the<br />

future - contributing significantly to a reduction in<br />

inspection costs for very small batches.<br />

The future of programme creation<br />

Artificial intelligence has been used in Goepel inspection<br />

systems for several years. The time employees<br />

require to conduct various processes is already<br />

being reduced. Step by step, beginning with<br />

the semi-automation of processes, we are moving<br />

towards the final goal – fully automated,<br />

autonomous inspection.<br />

In the past, inspection programmes began with<br />

data import. Article numbers were manually assigned<br />

to existing library entries. Finally, the test parameters<br />

were manually adjusted. All of this was time-consuming.<br />

Nowadays, this process looks a little different<br />

- although automated programme creation still<br />

starts with data import. Component parameters<br />

Christina Schellbach,<br />

Public Relations<br />

Manager at Goepel<br />

electronic<br />

(name, position, article number, and so on), layout<br />

and pad information are now readily available but<br />

detailed information about the housing and the<br />

solder joint (dimensions, height, pin shape) is still<br />

missing. To obtain this, the 3D AOI system creates an<br />

exact image of the respective housing and solder<br />

joints using the first produced assembly. This information<br />

is then used to determine the respective<br />

enclosure shape and to assign all required test functions.<br />

The test programme is created and a component<br />

library is automatically generated based on article<br />

numbers. In the final stage, the test programme<br />

is executed and the test parameters are automatically<br />

adapted to the real process variations. To avoid<br />

slippage, tolerance limits are placed tightly around<br />

the actual measured values and corrected according<br />

to real fluctuations, taking plausibility criteria into<br />

account. This is called knowledge-based intelligence.<br />

In the future, it will be possible to create a test programme<br />

without the real image of the first assembly.<br />

A completely digital image of the PCB with components<br />

and solder joints – a digital twin – will be used<br />

in the creation of a new test programme without the<br />

need for an actual physical assembly.<br />

“There are already AI inspection functions that do<br />

not require any setting parameters because they use<br />

a pre-trained AI model for classification,” explains<br />

Tuerk. Examples of this include the x-ray inspection<br />

Andreas Tuerk,<br />

Product Manager<br />

for X-ray systems at<br />

Goepel electronic<br />

Source: Tina Dietrich/Göpel electronic<br />

AI advisor reduces<br />

workload for verification<br />

station staff;<br />

AI also protects<br />

against human error<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 53


» TEST & QUALITY ASSURANCE<br />

Source: Göpel electronic<br />

AI evaluation of a QFN pin solder joint in a 3D X-ray image with AI advisor<br />

of prismatic battery cells for foreign objects or the<br />

AXI inspection of sheath thermocouples directly in<br />

the production line. As a human being, you often see<br />

certain defect features quickly – but the machine<br />

needs an expert who has mastered the parameterisation<br />

of an inspection function in order to be able<br />

to evaluate a feature correctly. This is where AI can<br />

help. The AI system is trained using example images.<br />

This results in an AI model that carries out the evaluation<br />

without any setting parameters. This is exemplified<br />

in the evaluation of welded joints on sheath<br />

thermocouples.<br />

Zusammenfassung<br />

Noch sind wir nicht bei autonomen Inspektionssystemen<br />

angekommen, doch KI-basierte Technologien in der Inspektion<br />

ermöglichen bereits heute die vollautomatische<br />

Erstellung sowie Optimierung von Prüfprogrammen.<br />

Résumé<br />

Bien que nous n’ayons pas encore de système<br />

d’inspection automatique, les technologies basées sur l’IA<br />

permettent déjà aujourd’hui de créer et d’optimiser des<br />

programmes de contrôle de manière entièrement<br />

automatique.<br />

Резюме<br />

Хотя мы еще не пришли к автономным системам<br />

контроля, тем не менее технологии на основе<br />

искусственного интеллекта в области контроля уже<br />

сегодня обеспечивают полностью<br />

автоматизированное изготовление и оптимизацию<br />

программ проверки.<br />

Further AI applications are in the works. In x-ray<br />

inspection, AI solutions for void detection, BGA<br />

head-in-pillow detection and short-circuit control<br />

are already being developed. AI approaches are<br />

emerging in predictive maintenance and for the<br />

analysis of results data from inspection systems<br />

across the whole SMT line. “There’s a long way to go<br />

before we achieve fully-automated inspection but<br />

we shouldn‘t forget how far we’ve come,” says Tuerk.<br />

AI at the verification station<br />

AI is not only saving human resources in the creation<br />

of inspection programmes. There is also the potential<br />

to save time and money at verification and repair<br />

stations. Goepel electronic relies upon the AI advisor<br />

software module for this purpose. Based on pretrained<br />

models, the AI advisor makes its own decision<br />

for each anomaly found by the inspection system. The<br />

AI‘s decision is based on the verification decisions<br />

made by humans in comparable cases in the past.<br />

Now there are different options for deploying AI decision-making.<br />

Anomalies that are classified with high<br />

confidence as pseudo errors can be evaluated directly<br />

by the AI – without human intervention. This saves<br />

time. The AI advisor can also warn us about whether<br />

a human error could lead to a so-called human slip. If<br />

an operator incorrectly classifies a real error as a<br />

pseudo error, the user is asked to reconsider his decision.<br />

Especially in the case of X-ray images – where<br />

error interpretation is often more demanding – the AI<br />

advisor can be a welcome aid. Its functionality is constantly<br />

being expanded with the aim of a fully autonomous<br />

classification of all abnormalities found.<br />

Trust is good – control is better!<br />

“Often there is still a sense of unease about the<br />

use of artificial intelligence in the field of inspection<br />

systems” notes Tuerk. “Why did the AI decide one<br />

way and not another? Will the AI find previously discovered<br />

defects even after it has been trained with<br />

new image samples? These are all legitimate questions.<br />

Luckily we already have some answers. The AI<br />

must be trustworthy – decisions must be comprehensible.<br />

With this in mind, Goepel electronic is<br />

working on ‘Comprehensible AI’ to increase trust and<br />

acceptance. We shouldn’t forget AI is only as good as<br />

the human who trained it, and this depends entirely<br />

on data selection, its completeness and consistently<br />

correct labelling and categorisation,” says Tuerk.<br />

There may still be some way to go before we<br />

achieve fully-autonomous inspection but, thanks to<br />

AI, the next paradigm shift is already well underway.<br />

Productronica, Booth A2.239<br />

www.goepel.com<br />

54 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Inspection solutions on display in Munich<br />

High-throughput AOI & AXI at Productronica<br />

Provider of test and inspection solutions<br />

Test Research, Inc. (TRI) will unveil its<br />

Ultra-High-Speed 3D AOI, TR7700QH SII at<br />

Productronica 2023. Capable of inspecting<br />

at speeds of up to 80 cm²/sec, the system<br />

offers smart programming, AI algorithms,<br />

and metrology measurement capabilities.<br />

Also on display will be the newly-released<br />

high-throughput 3D AXI, TR7600 SV,<br />

which, the company says, offers up to<br />

20 % performance improvement compared<br />

to the TR7600 series. Powered by AI algorithms,<br />

the high-speed 3D AXI can accu-<br />

rately detect void defects. The test solutions<br />

provider will also showcase its<br />

high-speed multi-angle 3D AOI, TR7500QE<br />

Plus, equipped with four 20MP side cameras<br />

and 1 high-resolution camera, as well<br />

as its 3D SPI TR7007DI Plus, the 3D AXI<br />

TR7600F3D SII, and the multi-core ICT<br />

with in-system LED Analysis function<br />

TR5001Q SII Inline. AI solutions include AI<br />

training tool, AI station, verify host, AI<br />

smart programming, and more. The test<br />

and inspection solutions comply with Industry<br />

4.0 standards like the IPC-<br />

TR7700QH SII is capable of inspecting<br />

at speeds of up to 80cm²/sec<br />

Source: Test Research, Inc.<br />

Hermes-9852, IPC-CFX, and IPC-DPMX.<br />

Productronica, Booth A2.139<br />

www.tri.com.tw<br />

Enhancing THT inspection efficiency and accuracy<br />

Inline AOI system for inspecting THT components<br />

Mek (Marantz Electronics) has launched<br />

the Mek VeriSpector Inline, an inline THT<br />

AOI system designed for inspecting THT<br />

components before they enter wave or<br />

selective soldering machines to enhance<br />

inspection efficiency and accuracy in<br />

through-hole assembly processes. Devel-<br />

Source: Marantz Electronics<br />

oped in collaboration with Nutek, the system<br />

offers robustness and compatibility.<br />

Its inline configuration optimizes investment<br />

costs by minimizing the need for<br />

separate inspections at each manual assembly<br />

station. Manufacturers can fully<br />

automate the inspection process with a<br />

VeriSpector Inline for inspecting THT components<br />

before they enter soldering machines<br />

wide range of available options.<br />

Powered by the 22X Software, an inspection<br />

system used in the PCB assembly industry,<br />

the system is easy to program while<br />

maintaining the power and speed of the<br />

inspection algorithms. It offers flexible inspection<br />

including presence detection,<br />

orientation, shape, offset, polarity, text<br />

verification, fiducial reading, color check,<br />

1D and 2D barcode reading, assembly materials<br />

fittings, damaged object detection,<br />

and more. The standard 24MP camera and<br />

high-definition lens captures fine details at<br />

a clear resolution, while upgrades to 42MP<br />

or 60MP cameras are also available based<br />

on specific application requirements.<br />

Productronica, Booth A2.400<br />

www.marantz-electronics.com<br />

High resolution X-ray-/ and CT analysis as a service<br />

ADVERTISEMENT<br />

Foto: X-ray Service GmbH<br />

We have the view!<br />

In our X-ray laboratory near Graz,<br />

we inspect a wide variety of materials<br />

within a very short time, nondestructively,<br />

down to the smallest<br />

detail. Possible defects become visible<br />

immediately. Our customers<br />

from the electronics, automotive<br />

and aerospace industries have been<br />

relying on our high-tech testing process<br />

for 20 years. Two modern highresolution<br />

X-ray/CT systems are<br />

available for our services. Whether<br />

X-ray analyses of larger quantities,<br />

or in-depth individual CT analyses –<br />

we will be happy to advise you on<br />

the right inspection method and<br />

provide you with the results as digital<br />

X-ray images or as 3D volume data.<br />

Get certainty and save valuable<br />

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CONTACT<br />

X-ray Service GmbH<br />

Bierbaum 44<br />

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Tel.: +43 (0) 3135 54812–10<br />

E-Mail: office@xray-service.at<br />

www.xray-service.at<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 55


» TEST & QUALITY ASSURANCE<br />

Verifying board mechanical stress on flying probe<br />

Programmer tool for flying prober<br />

debuts in Nuremberg<br />

Shown for the first time at SMTConnect in Nuremberg this year, Seica’s FlyStrain<br />

Option is a programmer tool aimed at addressing the fundamental concerns of electronic<br />

board manufacturers looking to optimize their investment.<br />

The Flystrain<br />

Option is available<br />

only on Pilot VX<br />

About Seica<br />

Source: Seica<br />

Founded in 1986, Seica S.p.A. is a technology<br />

company that develops and manufactures<br />

leading-edge solutions for the test<br />

and selective soldering of electronic<br />

boards, and modules. It provides battery<br />

test solutions, automotive electronic<br />

board test solutions, infotainment test, as<br />

well as electric vehicle inverter and battery<br />

charging station test systems. Seica<br />

has fully embraced the concept of Industry<br />

4.0, developing solutions to monitor<br />

and collect information from machines<br />

and industrial plants to enable the optimization<br />

of manufacturing processes,<br />

maintenance and energy management.<br />

Company headquarters are located in<br />

Italy, with direct offices in USA, Germany,<br />

China, Mexico, France and Israel.<br />

www.seica.com<br />

Including a multitude of new hardware and software<br />

features, the Pilot VX with FlyStrain programmer<br />

tool is Seica’s new fully automated solution<br />

for verifying mechanical stress on boards using a flying<br />

probe. The system offers state-of-the-art mechanical<br />

performance and motion control, enabling a<br />

reduction of up to 50% in test time.<br />

Other features include:<br />

• 12 multi-function test heads with the capability<br />

of contacting up to 44 points simultaneously<br />

• Technologically-advanced measurement hardware<br />

• A microwave-based measurement technique<br />

• Optimized VIVA software management enabling<br />

the parallelization of different types of tests<br />

• Smart analysis capabilities, together with<br />

algorithms based on the principles of artificial<br />

56 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


Runtime tool to<br />

measure the force as<br />

soon the electrical<br />

contact is stable<br />

Source: Seica<br />

The coloured map generated after<br />

the test. It shows the most touched<br />

contact areas using a scale from<br />

blue (no contact/few contacts) to<br />

red (heavily touched areas)<br />

intelligence which automatically optimize the<br />

test flow in run-time, while maintaining test<br />

coverage targets<br />

The prober can accommodate fully loaded doublesided<br />

boards with components that need to be programmed;<br />

LEDs that require electrical and optical<br />

testing; flex circuits; and board sizes and components<br />

ranging from very small to very large. Using<br />

the FlyStrain option, the Pilot VX can now also generate<br />

pressure/force topology maps of the device<br />

under test.<br />

Once a necessity for traditional fixture-based solutions,<br />

these new tools have been migrated to the flying<br />

prober where testing of ceramics, wafers and<br />

avionics and satellite boards requires delicate probing<br />

and traceability. The new option generates a graphical<br />

interface for fast analysis and log file for statistical<br />

analysis. This kind of analysis is already conducted on<br />

sample boards for Bed-of-Nails systems.<br />

Using the new option, the runtime tool measures<br />

the force as soon the electrical contact is stable. The<br />

contact is continuously monitored, and when the<br />

probe reaches the contact height, the system reports<br />

the contact pressure for each single test point. The<br />

final result is visualised via a coloured map using a<br />

scale from blue (low stress point) to red (high stress<br />

point).<br />

In summary, the Pilot VX with FlyStrain programmer<br />

tool is a flexible, configurable test system<br />

with a set of technologically-advanced tools. It provides<br />

the test solutions required by the huge diversity<br />

of electronics which characterizes today’s high-volume<br />

production environment.<br />

Productronica, Booth A1.445<br />

www.seica.com<br />

Zusammenfassung<br />

Ein Flying Probe System inklusive Programmiertool<br />

stellt eine vollautomatische Lösung mit einer Vielzahl<br />

an Hard- und Softwarefunktionen dar, um eine Leiterplatteninspektion<br />

zu optimieren.<br />

Résumé<br />

Un système de sonde volante équipé d’outils de<br />

programmation constitue une solution entièrement<br />

automatisée avec un grand nombre de fonctionnalités<br />

logicielles et matérielles.<br />

Резюме<br />

Система летающих зондов, включающая<br />

инструмент программирования, представляет<br />

собой полностью автоматическое решение с<br />

множеством аппаратных и программных функций<br />

для оптимизации контроля печатных плат.<br />

Source: Seica<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 57


» ADVERTISERS<br />

Altus Group 26<br />

ArtiMinds Robotics 48<br />

Bosch 12<br />

BTU International 34<br />

CEA-List 11<br />

ESSEMTEC AG, CH-AESCH 13<br />

ERSA GmbH, Wertheim 3<br />

Esmo Group 51<br />

FUJI EUROPE CORPORATION GmbH,<br />

Kelsterbach 60<br />

GÖPEL electronic 52<br />

Heraeus Electronics 6<br />

IBL-Löttechnik GmbH, Königsbrunn 51<br />

Indium Corporation 34<br />

Infineon Technologies 10<br />

International Federation of Robotics (IFR) 10<br />

IPC 6, 13, 59<br />

Kamic Group 12<br />

Kistler Instrumente AG, CH-Winterthur 29<br />

Koh Young <strong>Europe</strong> GmbH, Alzenau 1, 11, 27<br />

Koh Young Technology 16<br />

Kurtz Ersa 25<br />

LPKF Laser & Electronics AG, Garbsen 41<br />

Marantz Electronics 55<br />

Mek (Marantz Electronics) 55<br />

Mesago Messe Frankfurt GmbH, Stuttgart 45<br />

Messe München GmbH, München 2, 14<br />

MicroCare Carp., US-New Britain, CT 39, 43, 44<br />

NXP 12<br />

Panacol 51<br />

PIEK International<br />

Education Centre (I.E.C.) GmbH, Aachen 23<br />

Pink GmbH Thermosysteme, Wertheim 25<br />

Panduit GmbH, Schwalbach 43<br />

Rehm Thermal Systems 38<br />

SEHO Systems GmbH, Kreuzwertheim 33<br />

Seica 56<br />

Shenmao America 43<br />

Siemens 30<br />

Siemens Digital Industries Software 11<br />

SmartRep GmbH 12<br />

SMT Maschinen- und<br />

Vertriebs GmbH & Co. KG, Wertheim 35<br />

Test Research, Inc. 55<br />

TSMC 12<br />

Ventec International Group 22<br />

VISCOM AG, Hannover 47<br />

X-ray Service GmbH, AT-Premstaetten 55<br />

Yamaha Motor <strong>Europe</strong><br />

N.V. Niederlassung Deutschland, Neuss 31<br />

ZEVATRON Löttechnik GmbH, Volkmarsen 49<br />

ISSN 1618–5587<br />

Trade journal for all fields of production in the<br />

electronics industry, manufacturing equipment,<br />

test and messurement, materials<br />

Publisher:<br />

Katja Kohlhammer<br />

Publishing House:<br />

Konradin-Verlag Robert Kohlhammer GmbH,<br />

Ernst-Mey-Straße 8,<br />

70771 Leinfelden-Echterdingen, Germany<br />

General Manager:<br />

Peter Dilger<br />

Editor-in-Chief:<br />

Doris Jetter,<br />

Ernst-Mey-Straße 8<br />

70771 Leinfelden-Echterdingen, Germany<br />

Phone +49 711 7594 -4658<br />

E-Mail: doris.jetter@konradin.de<br />

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E-Mail: redaktion.eppe@konradin.de<br />

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<strong>EPP</strong> <strong>Europe</strong> 04/2024 will be published 27. April 2024<br />

58 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023


ecwc16<br />

ELECTRONIC CIRCUITS<br />

WORLD CONVENTION<br />

WHAT S<br />

NEXT<br />

BECOMES<br />

SAVE<br />

THE<br />

DATE<br />

See you next year in Anaheim, California at IPC APEX EXPO 2024.<br />

Thank you to our sponsors, exhibitors, speakers<br />

and attendees for making 2023 a success!<br />

IPC.ORG/APEXEXPO-CFP | #IPCAPEXEXPO<br />

<strong>EPP</strong> <strong>Europe</strong> » 11 | 2023 59


READY…<br />

… TO WORK REMOTE?<br />

Never overlook line errors and reduce down times<br />

Operators will be informed to take immediate action<br />

Also get notification for non-FUJI equipment<br />

Visit us at<br />

productronica 2023<br />

November 14 th –17 th , 2023<br />

in Munich<br />

Booth A3.317<br />

60 <strong>EPP</strong> <strong>Europe</strong> » 11 | 2023<br />

FUJI EUROPE CORPORATION GmbH<br />

+49 (0)6107 6842-0<br />

fec_info@fuji-euro.de<br />

www.fuji-euro.de

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