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We specialise in helping you reduce your<br />
costs and time spent on procurement<br />
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of printed circuit boards without<br />
Home<br />
compromising the quality Page or<br />
delivery of your product.<br />
Why<br />
Use<br />
<strong>ALR</strong> ?<br />
Product<br />
Portfolio<br />
Helping you save Money on your PCBs when<br />
material costs are rising.
1<br />
AS9120<br />
Approved<br />
Examples<br />
of Prices<br />
Virtual<br />
Factory<br />
Different<br />
Finishes<br />
Available<br />
Different<br />
Laminates<br />
Available<br />
2<br />
Contact<br />
us<br />
High<br />
Tech<br />
PCBs<br />
Product<br />
Types<br />
Effective<br />
Panelisation<br />
& Cost<br />
Reduction<br />
How are<br />
PCBs<br />
Made ?<br />
Medium<br />
Tech<br />
PCBs<br />
Helping you save Money on your PCBs when STOCK<br />
material costs are rising.<br />
3<br />
Low<br />
Tech<br />
PCBs<br />
Rigid<br />
Capability<br />
Flex<br />
Capability<br />
MPCB (Led)<br />
Capability<br />
4<br />
Organisat<br />
ion<br />
Chart<br />
So why not<br />
Buy British<br />
??<br />
Why Choose<br />
<strong>ALR</strong> as your<br />
preferred<br />
PCB Supplier<br />
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Why<br />
Use<br />
<strong>ALR</strong> ?<br />
Manufacturing Leadtime ..<br />
UK or China ??<br />
Product<br />
Capability<br />
(attributes/<br />
Variables)<br />
Product<br />
Portfolio
Why use <strong>ALR</strong> as YOUR PCB<br />
SPECIALIST<br />
We specialise in helping you reduce your costs and time spent on<br />
procurement of printed circuit boards without compromising the<br />
quality or delivery of your product.<br />
<strong>ALR</strong> Services Ltd is one of the largest PCB suppliers in Europe and is<br />
able to boast an enormous spend on printed circuits. This enables<br />
us to offer you excellent prices together with superior quality and a<br />
service that is second to none.<br />
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Why<br />
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<strong>ALR</strong> ?<br />
Product<br />
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We take the hassle out of PCB procurement.<br />
We have over 400 customers, placing over 6,000 orders exceeding<br />
1,500,000 PCBs from our partners each year. This enables us to<br />
facilitate an excellent Delivery (>97%) and Quality (>99%)<br />
Performance, which give our customers real peace of mind.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
1 4
Competitive Pricing<br />
Our successful teams both here and offshore are constantly negotiating and<br />
auditing pricing whilst keeping their fingers on the pulse to consistently<br />
drive the most competitive cost and quality solution for you.<br />
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Procurement Logistics’ & Delivery<br />
At <strong>ALR</strong> we do not see ourselves as just a supplier to you, we see ourselves<br />
as your PCB procurement, logistics and quality specialist.<br />
Stock Holding<br />
As a customer of <strong>ALR</strong> you will enjoy the benefits of our consignment, buffer<br />
and kanban purchasing solutions.<br />
Why<br />
Use<br />
<strong>ALR</strong> ?<br />
Product<br />
Portfolio<br />
Capacity<br />
Why suffer from a shortage of capacity? Let <strong>ALR</strong> help you manage your<br />
stock levels to ensure you always have the right number of PCBs at the right<br />
time irrespective of quantity.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
1 4
Quality Assurance<br />
Concerned about quality? Our Aerospace approved stringent monitoring<br />
systems ensure your products are of the highest quality at the most<br />
competitive price.<br />
Experience<br />
We have been sourcing PCBs for over 22 years. Our team have over 200<br />
years’ experience in the PCB industry.<br />
HOW CAN WE HELP YOU SAVE MONEY ON YOUR PCBS WHEN MATERIAL<br />
COSTS ARE RISING?<br />
With Brexit, sterling to dollar conversions have pushed up the prices in<br />
China by almost 20%, we are also seeing increases in the cost of laminate<br />
and copper foil, all this has had further impact on the final price of the<br />
printed circuit board.<br />
At <strong>ALR</strong> Services we are consistently hunting for more cost effective quality<br />
suppliers and other ways to reduce your costs. So how can we turn this<br />
into a positive for you?<br />
There are ways we can reduce the cost of a PCB dependent on the<br />
manufacturer and location of the PCB supplier. So rather than price<br />
increases we could actually be talking about price decreases.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
1 4<br />
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About Us<br />
<strong>ALR</strong> Services was formed in 1995, and has been supplying the PCB Industry for 22<br />
years.<br />
The concept of the company was to specialise in helping Electronics Companies reduce<br />
their costs and time spent on the purchasing of Printed Circuits without compromising<br />
on the quality or delivery of the product.<br />
The company has continued to grow and maintain these work ethics. <strong>ALR</strong> Services is<br />
now one of the largest PCB suppliers in Europe and is able to boast an enormous spend<br />
on Printed Circuits. This enables us to offer our customers excellent prices together<br />
with superior quality and a service that is second to none.<br />
Through our network of manufacturing facilities both in the UK and Offshore, we are<br />
able to ensure that each particular Pcb type is placed at the production site that is most<br />
suited to that technology, quantity and delivery.<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
BS EN9210<br />
Our Business<br />
Management Systems<br />
are approved to BS<br />
EN9120.<br />
Aerospace Quality<br />
Management System,<br />
giving you the assurance<br />
that comes with this level<br />
of quality system<br />
approval.<br />
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For Our Suppliers<br />
QMS click here<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
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Helping you save Money on your PCBs when<br />
material costs are rising. 4
UK &China Virtual Factories<br />
Our <strong>ALR</strong> Virtual PCB Factory is an integrated simulation process model of all<br />
our PCB Suppliers in a virtual factory that considers all the PCB factories as a<br />
whole and provides an advanced decision support capability, enabling us to<br />
view & monitor the status of all jobs by process in all factories.<br />
This groups all orders in all of our pcb factories by the process the orders are at<br />
(monitoring how long they have been there), enabling us to keep a very close<br />
eye on the progress of all orders….<br />
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<strong>ALR</strong> ?<br />
Product<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Consignment Stock Purchasing Model<br />
Advantages<br />
•Volume pricing<br />
•Pay for what you use<br />
•Fewer lots of ‘goods<br />
in’<br />
•Constant stock<br />
available<br />
•Fewer carriage<br />
charges<br />
•Less paperwork<br />
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<strong>ALR</strong> ?<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Buffer Stock Purchasing Model<br />
•Constant stock available<br />
through overnight courier.<br />
•No premium charges for<br />
faster deliveries.<br />
•Liability for stock at any<br />
one time limited to what is<br />
in production and on <strong>ALR</strong>’s<br />
shelf. In this example 200<br />
off on <strong>ALR</strong>’s Shelf and 200<br />
off in production means a<br />
total liability of only 400<br />
off.<br />
•Less paperwork.<br />
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<strong>ALR</strong> ?<br />
Product<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Kanban Stock Purchasing Model<br />
•Constant stock<br />
available.<br />
•No premium charges<br />
for faster deliveries.<br />
•Support ‘just in time’.<br />
•Suitable for companies<br />
with a large range of<br />
boards used in smaller<br />
quantities.<br />
•Less paperwork<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Effective Panelisation<br />
Cost savings can be made when planning the mother panel panelisation.<br />
We have seen 20% savings just on mother panel panelisation<br />
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<strong>ALR</strong> ?<br />
Product<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Types of Laminates Materials<br />
There many types and grades of pcb laminates that have various mechanical,<br />
thermal and electrical properties, we can manage and source all these<br />
requirements.<br />
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<strong>ALR</strong> ?<br />
Product<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
PCB Partners Quality System Requirements<br />
& Assurance of Quality<br />
<strong>ALR</strong> Services is ISO9001/AS9210 approved, our minimum QMS requirement<br />
for our suppliers is ISO9001, for which we verify and audi<br />
Our minimum IPC requirements are Class 2 and regularly work to Class 3.<br />
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Most of our PCB Partners have additional ISO Approvals,<br />
and we can source and manage any approval<br />
requirements, including the prestigious Nadcap Approval<br />
if required.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Organisation Chart<br />
Ian Hood<br />
Jim Rosseter<br />
Operations Director<br />
Managing Director<br />
Michelle<br />
Hunt<br />
Sales Director<br />
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Penny<br />
Lambourne<br />
Office Manager<br />
Tracey<br />
Elrington<br />
Internal Sales<br />
Mark<br />
QA & Technical Manager<br />
Jenny Peng<br />
Offshore Manager<br />
Why<br />
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<strong>ALR</strong> ?<br />
Heather<br />
Hood<br />
Sales Coordinator<br />
Tula Sauer<br />
Purchasing clerk<br />
Sarah Dobbs<br />
Office Administrator<br />
Tracey<br />
Strurgess<br />
Logistics Manager<br />
Tony Sauer<br />
Quote Engineer<br />
Marcus<br />
Walker<br />
Quote Engineer<br />
Matt<br />
Quote Engineer<br />
Product<br />
Portfolio<br />
We have been sourcing PCBs for over 22 years. Our team<br />
have over 200 years’ experience in the PCB industry.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Why Not Buy “British”<br />
We all want to “Buy British”, the problem is that<br />
printed circuit boards from the UK can be 2-10X<br />
more expensive dependant on technology and<br />
volume.<br />
The higher the technology the greater the<br />
difference.<br />
The higher the volume the greater the<br />
difference.<br />
A Few days in Leadtime makes a big difference<br />
in price if sourced from China.<br />
Improve your bottom line ensure you are getting<br />
the most cost effective solution to your pcb needs.<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Example of Pricing<br />
We are constantly monitoring the prices in the UK and China.<br />
If you are purchasing pcbs in the UK, and if these are not Export<br />
Prohibitive, then you could be saving 50% if you allowed us to manage<br />
the procurement of these pcbs from China.<br />
Now even if you are personally procuring these from china, this will<br />
come at a cost to you, and it is possible you are not getting the most<br />
competitive prices.<br />
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<strong>ALR</strong> ?<br />
100 off in 15 Days in the UK =<br />
£25.55 per Board<br />
Product<br />
Portfolio<br />
100 off in 20 Days from China<br />
= £15.23 per Board<br />
A saving of more than 40%,<br />
approx. £1,000.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
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Helping you save Money on your PCBs when<br />
END<br />
material costs are rising. 4
PTFE PCB<br />
Microwave/RF PCB & High Frequency PCB uses materials of excellent<br />
dielectric property for its main body with other dielectric materials and metal<br />
substrates matched to complete corresponding multi-layer processing or<br />
thick-film processing and manufacture and to achieve the transmission<br />
functions of excellent high thermal conductivity, low dielectric constant, high<br />
frequency and high speed.<br />
General specification for Microwave/RF PCB<br />
Layer count: 1-6<br />
Board thickness: 0.2-3.2mm<br />
Copper thickness: 0.5-4oz<br />
Dielectric Constant(DK): 2.2-10.3<br />
Min trace width/spacing: 4/4mil<br />
Min drill hole size: 0.2mm<br />
Surface treatment: HAL(Lead free), Immersion<br />
Gold/Tin/Silver, OSP, Gold Plating.<br />
Material available: Teflon, Rogers, Taconic,<br />
Arlon, etc.<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
75 Micron (0.003”) Track/Gap<br />
In order to be able to reliably process boards 75um<br />
tracks and gaps.. The pcb manufacturer MUST have<br />
controlled 10,000 clean Rooms with processes such<br />
as LDI ( Laser Direct Imaging)<br />
This is typically the HDI (High Density Interconnect)<br />
end of the PCB Market. This requires both a lot of<br />
investment, we have a few manufacturers who we<br />
trust with this technology.<br />
Please note there are not many cost effective UK<br />
manufacturers for this level of technology, and this<br />
comes at a premium.<br />
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material costs are rising.<br />
4
Soldermask<br />
Soldermask is available in a variety<br />
of colours.<br />
Green Soldermask is the default,<br />
and has no cost premium.<br />
Other colours can have a cost<br />
premium, and in the case of fast<br />
turnarounds is another process step<br />
san can affect the fastest delivery.<br />
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4
Resin or Copper Via Filled<br />
When designing via in pad ( via in solder joint),<br />
these must be either copper filled or resin filled<br />
and plated over, or solder microvoids will happen.<br />
We have selected manufacturers who manufacture<br />
boards with these attributes daily.<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Types of Vias<br />
We can procure and supply all types of pcb interconnections, these can be<br />
the standard through hole vias, blind and buried vias, sequential build, via in<br />
pad ( resin or copper filled), and if required even the stacked vias.<br />
Please note : some via connections can be very expensive to produce, such<br />
as stacked vias, so only use these types of you have no other option.<br />
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4
Hybrid PCB – Mixed Laminates<br />
Typical applications are radio PCBs and high speed digital PCBs. High<br />
frequency laminates provide lower attenuation and constant dielectric<br />
properties compared to PCBs of conventional FR4 materials.<br />
•High frequency multilayer PCBs<br />
•Mixed material combinations with FR4<br />
•HDI build-up layers with Rogers Ro4450B (Ro4350 family prepreg)<br />
•PTFE laminates for double-sided PCB and mixed build-up<br />
•Dk range from 2.5 to 10.0, extremely low Df<br />
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Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
Low – DK PCB<br />
Typical applications are radio PCBs and high speed digital PCBs. High<br />
frequency laminates provide lower attenuation and constant dielectric<br />
properties compared to PCBs of conventional FR4 materials.<br />
•High frequency multilayer PCBs<br />
•Mixed material combinations with FR4<br />
•HDI build-up layers with Rogers Ro4450B (Ro4350 family prepreg)<br />
•PTFE laminates for double-sided PCB and mixed build-up<br />
•Dk range from 2.5 to 10.0, extremely low Df<br />
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4
UL Approval<br />
UL helps our customers demonstrate that their<br />
printed circuit board (PCB) complies with endproduct<br />
safety standards in multiple global markets.<br />
All our manufacturers are UL approved, and this<br />
approval has no cost increase, it just needs the<br />
correct logo markings.<br />
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4
Sequential Build Multilayer<br />
Sequential Lamination of PCB layers is required in order to connect outer<br />
surface vias. This is due to the nature of the very small drill, and the aspect<br />
ratio requirement on all drills (example 10:1) down to the inner layer. This<br />
process is usually associated with via in-pad technology when routing finepitch,<br />
densely-routed designs.<br />
Please note this has a substantial increase on the price<br />
of the PCB.<br />
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4
Peelable Soldermask<br />
Peelable soldermask replaces any manual masking operations, that are<br />
performed before the boards are assembled, however there are a lot of<br />
technical and process requirements ( & limitations if this is going to be<br />
used, such as cannot be used on SMD side.<br />
Peelable Solder Masks (also known as strippable mask or blue-mask) are<br />
applied by screen-printing, act as in-process protection and are removed<br />
either after processing at the PCB manufacturer or at the assembler.<br />
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Peelable Solder Masks, provide<br />
such protection in soldering<br />
processes like wave soldering,<br />
reflow soldering or hot-air<br />
solder leveling (HASL). Reliable,<br />
time-saving and cost-saving in<br />
their application, they have long<br />
surpassed manual masking with<br />
heat-resistant tapes.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4<br />
Product<br />
Portfolio
Thick PCBs<br />
Multilayer PCBs are available in all<br />
thicknesses usually up to approx. 6mm,<br />
however where required we have sourced<br />
pcb manufacturers who can do a lot thicker<br />
than this.<br />
Boards as thick as 10mm can be sourced,<br />
however as you would expect these are<br />
expensive<br />
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4
Carbon Ink<br />
We have manufacturers who can produce printed carbon ink,<br />
however this process is prone to alignment issues and smudging, we<br />
would recommended that where possible gold is used in place of<br />
carbon.<br />
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4
50 Micron Cores<br />
We have selected and vetted pcb<br />
manufacturers who are able to process fr4<br />
cores as thin as 0.05mm, at this thickness<br />
the cores are very fragile.<br />
PCBs should a=only be designed with this<br />
requirement where it is absolutely necessary<br />
for either impedance or for buried<br />
capacitance, as this limits which pcb<br />
manufacturers can be used.<br />
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4
Via in PAD<br />
Via in pad technology add cost to the pcb, where<br />
this is sourced in the UK it is a considerable cost.<br />
When we source this from our qualified partners<br />
in China, the additional cost is a lot less.<br />
We recommend in these situations that the via in<br />
pad is copper filled which then reduces the<br />
potential for micro voids in the BGA solder joint<br />
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4
0.10mm Through Hole Vias<br />
There are only a few manufacturers who can produce a 0.10mm finished via<br />
size on a 1.60mm, we have pcb manufacturers vetted and selected who can<br />
produce the most demanding of designs.<br />
Vias from 0.20mm finished hole size are standard, between 0.20mm and<br />
0.15mm it get more demanding as the e ratio reaches 10: 1, at 0.10mm<br />
minimum hole size it reaches approx. 16:1<br />
All PCB<br />
Manufacturers can do<br />
0.35mm Finished hole<br />
diameter<br />
A lot can of the PCB<br />
Manufacturers can do<br />
0.20mm Finished hole<br />
diameter<br />
Some of the PCB<br />
Manufacturers can do<br />
0.15m Finished hole<br />
diameter<br />
A very small few can<br />
do a finished hole<br />
diameter of 0.10mm<br />
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4
Half Holes ( Castellation's)<br />
The creation of Half Holes ( Castellation's) is actually quite a complex<br />
process to get right, so there is no copper tails or that the holes are profiled<br />
through the centre.<br />
We have selected pcb manufacturers who<br />
have proven that they have this capability.<br />
This is a lot more difficult where this is on 4<br />
sides, so again we ensure they have the<br />
capability to do this.<br />
We also carry our more detail inspection<br />
on these.<br />
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Controlled Impedance<br />
As circuit board signal switching speeds increase, PCB designers in this day and<br />
age need to understand and control the impedance of printed circuit board<br />
traces. Short signal transition times and high clock rates of modern digital<br />
circuitry require PCB traces to be considered not as simple connections, but as<br />
transmission lines.<br />
We have selected suppliers who manufacture and test impedance pcbs every<br />
day, so they are very familiar with this requirement, and the technological<br />
requirements this needs.<br />
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Heavy Copper PCBs ( Power PCBs)<br />
Thick copper PCB products are used extensively in power electronic devices and<br />
power supply systems. A growing trend in the PCB industry, this unique type of<br />
heavy copper PCB features a finished copper weight of more than 4oz (140μm),<br />
compared to the 1oz (35μm) or 2oz (0μm) copper weight generally found in<br />
those with a standard PCB copper thickness, you can even get 20oz copper, but<br />
limitations apply.<br />
The additional copper PCB thickness enables the board to conduct a higher<br />
current, achieve good thermal distribution and implement complex switches in<br />
a limited space. Other advantages include increased mechanical strength at<br />
connector sites, the ability to create a smaller product size by incorporating<br />
multiple weights on the same layer of circuitry and the ability to use exotic<br />
materials to their maximum capacity with minimal risk of circuit failure.<br />
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Board Finishes<br />
A surface finish can be defined as a coating, either metallic or organic in nature,<br />
which is applied to a Printed Circuit Copper pad, in order to assure solderability<br />
of that pad. Simply put, it is a solderability preservative; the outermost layer of<br />
which dissolves into the solder paste upon reflow or wave soldering.<br />
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ENEPIG -Electroless Nickel Electroless Palladium Immersion Gold<br />
Electroless Nickel Electroless Palladium Immersion Gold as a pcb<br />
finish is for high reliability gold wire bonding, electroless<br />
Nickel/Immersion gold can be used for lower end consumer<br />
products, however it is not as reliable ENEPIG.<br />
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ADVANTAGES<br />
Palladium Prevents Nickel from Passivating in<br />
the Presence of the “Porous” Gold Deposit<br />
Aluminium Wire Bondable<br />
Planar Surface<br />
Good for Fine Pitch Product<br />
DISADVANTAGES<br />
X – Additional Process Step for PCB<br />
Fabricator; Added Cost Results, most<br />
subcontract<br />
X – Evidence that Palladium Poisons the<br />
Solder Paste after Reflow<br />
X – Waste Treatment<br />
X – Expensive<br />
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material costs are rising.<br />
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ENIG (Electroless Nickel Immersion Gold (Ni-Au))<br />
ENIG is a two layer metallic coating of 0.05um- 0.10uM of Gold over 3uM to<br />
8UM of electroless nickel. The Nickel is the barrier to the copper and is the<br />
surface to which the components are actually soldered to. The gold protects the<br />
nickel during storage and also provides the low contact resistance required for<br />
the thin gold deposits. ENIG is now arguably the most used finish in the PCB<br />
industry due the growth and implementation of the RoHs regulation.<br />
ADVANTAGES<br />
Gold Wire-Bondable<br />
Planar Surface<br />
Consistent Thicknesses<br />
Multiple Thermal Cycles<br />
Long Shelf Life<br />
Solders Easily<br />
Good for Fine Pitch Product<br />
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DISADVANTAGES<br />
Solder Joint Embrittlement<br />
Potential When Incorrectly Specified<br />
Difficult to Control<br />
Cannot be Reworked at PCB Manufacturer<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
4
HASL (Hot Air Solder Level ( Leaded or Lead free (LF))<br />
HASL was the predominant surface finish used in the industry. The process consists of<br />
immersing circuit boards in a molten pot of a tin/lead alloy and then removing the excess<br />
solder by using ‘air knives’, which blow hot air across the surface of the board.<br />
This is the standard default for practically all manufacturers and is NOT an additional cost.<br />
Advantages<br />
•“Nothing Solders Like Solder”<br />
•Easily Applied<br />
•Lengthy Industry Experience<br />
•Easily Reworked<br />
•Multiple Thermal Excursions<br />
•Good Bond Strength<br />
•Long Shelf Life<br />
•Easy Visual Inspection<br />
Disadvantages<br />
Huge Co-Planarity Difference, Resulting in Off-<br />
Contact Printing and Assembly Defects (pitch<br />
dependant)<br />
Not Suited for High Aspect Ratios<br />
Not Suited for < 20 Mil pitch SMT and<br />
BGAs<br />
Bridging Problems on Fine Pitch Assemblies<br />
Inconsistent Coating Thicknesses (on<br />
Varying Pad Sizes)<br />
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Immersion Silver<br />
Due to it special handling requirements, and limited shelf life it is not a<br />
commonly used board finish.<br />
Immersion Silver is typically in the thickness range of 0.125uM to 0.50uM.<br />
Galvanic Displacement- Simply an Exchange of Copper and Silver Atoms; No<br />
Reducing Agent Required<br />
ADVANTAGES<br />
Good for Fine Pitch Product<br />
Planar Surface<br />
Inexpensive<br />
Short, Easy Process Cycle<br />
Eliminates Nickel<br />
Doesn’t Affect Hole Size<br />
Long Shelf-Life<br />
OK for Multiple Insertions<br />
DISADVANTAGES<br />
High Friction Coefficient; Not Suited<br />
for Compliant-Pin Insertion (Ni-Au Pins)<br />
Some Systems Cannot Throw Into<br />
Microvias with Aspect Ratios > 1:1<br />
Tarnishing Must be Controlled<br />
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OSP (Organic Solderability Preservative)<br />
OSP (Organic Solderability Preservative) or anti-tarnish preserves the copper<br />
surface from oxidation by applying a very thin protective layer of material over<br />
the exposed copper usually using a conveyorized process.<br />
It uses a water-based organic compound that selectively bonds to copper and<br />
provides an organometallic layer that protects the copper prior to soldering. It’s<br />
also extremely green environmentally in comparison with the other common<br />
lead-free finishes, which suffer from either being more toxic or substantially<br />
higher energy consumption.<br />
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ADVANTAGES<br />
Flat, Coplanar pads<br />
Reworkable (at PCB<br />
Fabricator)<br />
Doesn’t Affect Finished<br />
Hole Size<br />
Short, Easy Process<br />
Low Cost<br />
Good Soldermask<br />
Integrity<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
DISADVANTAGES<br />
Assembly Line Changes May be<br />
Required; Not a “Drop-In” Situation<br />
Difficult to Inspect<br />
Question Remains Over Reliability of<br />
Exposed Copper After Assembly<br />
Limited Thermal Cycles<br />
Limited Shelf life<br />
Panels Need to be Routed and<br />
Electrically Tested Prior to Coating<br />
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Immersion Tin<br />
Immersion Tin is a metallic finish deposited by a chemical displacement<br />
reaction that is applied directly over the basis metal of the circuit board, that<br />
is, copper. The immersion tin protects the underlying copper from oxidation<br />
over its intended shelf life.<br />
The negative effects of tin whiskers growth are well described in industry<br />
related literature and topics of several published papers.<br />
Advantages:<br />
Flat Surface<br />
No Pb<br />
Re-workable<br />
Top Choice for Press Fit Pin<br />
Insertion<br />
Disadvantages:<br />
Easy to Cause Handling Damage<br />
Process Uses a Carcinogen (Thiourea)<br />
Exposed Tin on Final Assembly can Corrode<br />
Tin Whiskers<br />
Not Good for Multiple Reflow/Assembly<br />
Processes<br />
Difficult to Measure Thickness<br />
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Manufacturing Leadtime – (Delivered)<br />
When it comes to lead-times, sourcing in China is a lot more difficult when<br />
requiring less than 5 day deliveries…<br />
So for 5 days or Less : we source in the UK, however please note this is a lot<br />
more expensive<br />
For 6 Days or more : we source in China, this is for all types and all quantities..<br />
Premiums are charged but both the starting point and premiums are a lot<br />
lower. Typically 50% lower for a delay of say 1-2 days.<br />
To keep your cost to a minimum we suggest looking at using our China prices<br />
rather than the UK prices, as these will give you substantial savings.<br />
China is typically<br />
50% of the price of<br />
the UK or even<br />
more.. So a few<br />
days in leadtime,<br />
can make a big<br />
difference in Price<br />
as we can source<br />
from China<br />
UK =<br />
5 Days<br />
or Less<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
China= > 5 Days<br />
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1 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
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2 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
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4 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
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6 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
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8 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
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10 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from the<br />
UK, dependant on qty and<br />
leadtime.<br />
We have suppliers selected<br />
that concentrate on the lower<br />
technology of these pcbs,<br />
allowing them to keep their<br />
costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
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12 Layer PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
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MPCB LED PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
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HDI PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these pcbs can be approx. 30% of<br />
the cost of procuring from the UK, dependant on qty and<br />
leadtime.<br />
We have suppliers<br />
selected that<br />
concentrate on the<br />
lower technology of<br />
these pcbs, allowing<br />
them to keep their<br />
costs to the<br />
minimum.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
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Single Sided FLEX<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China these<br />
pcbs can be approx. 30% of<br />
the cost of procuring from<br />
the UK, dependant on qty<br />
and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
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PTH Flex PCBs<br />
At <strong>ALR</strong> Services Ltd we produce a lot of single layer<br />
pcbs from lots of sectors of the electronics industry.<br />
When sourced in China<br />
these pcbs can be approx.<br />
30% of the cost of procuring<br />
from the UK, dependant on<br />
qty and leadtime.<br />
We have suppliers selected<br />
that concentrate on the<br />
lower technology of these<br />
pcbs, allowing them to keep<br />
their costs to the minimum.<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
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Flex Rigid Multilayer<br />
We have selected<br />
manufacturers with a<br />
proven ability to reliably<br />
produce Flex Rigid<br />
Multilayer at a<br />
competitive cost.<br />
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typically 4x more<br />
expensive with a<br />
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Rigidised Flex<br />
Rigidised Flex is a flex<br />
pcb with an additional<br />
polyimide stiffer usually<br />
to stiffen the end of the<br />
flex for assembly or<br />
insertion<br />
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Flex Rigid PCB<br />
Flex Rigid PCBs are<br />
flexible pcbs with FR4<br />
rigidisers fixed to the<br />
rear of the flex, this is<br />
typically done using PSA<br />
( Pressure Sensitive<br />
Adhesive).<br />
We have a selected a lot<br />
of pcb manufacturers<br />
with this proven<br />
capability.<br />
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Semi-Flex PCB<br />
This is where the Polyimide flex layer is replaced with<br />
FR4 which is typically machined,<br />
Although materials are a lot cheaper, there are a few<br />
manufacturers who can this technology.<br />
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2 Layer Flex ( with Metalback)<br />
These are 1 or 2 layer flexibles with a metal back for removing heat, typically<br />
these are used in the automotive industry for Car Led lights, and therefore<br />
can be designed in very attractive shapes.<br />
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Sculptured Flex<br />
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These are single layer, heavy<br />
copper ( 250um) these can only<br />
be made by a few<br />
manufacturers and are not<br />
commonly produced.<br />
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Multilayer Flex<br />
Multilayer Flex are different from Flex Rigid Multilayer as the actual<br />
flex layers are bonded together.<br />
PCB Manufacturers with this capability must have plasma Desmear and<br />
be experienced in this type of construction. We have selected pcb<br />
manufacturers with this capability.<br />
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Rigid PCB Capability<br />
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Flex Rigid & Flex Capability<br />
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MPCB LED (metal Clad) Capability<br />
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The Typical PCB Manufacturing Process<br />
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The Typical PCB Manufacturing Process<br />
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The Typical PCB Manufacturing Process<br />
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The Typical PCB Manufacturing Process<br />
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The Typical PCB Manufacturing Process<br />
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material costs are rising.<br />
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The Typical PCB Manufacturing Process<br />
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The Typical PCB Manufacturing Process<br />
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<strong>ALR</strong> ?<br />
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material costs are rising.<br />
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The Typical PCB Manufacturing Process<br />
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<strong>ALR</strong> ?<br />
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material costs are rising.<br />
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The Typical PCB Manufacturing Process<br />
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<strong>ALR</strong> ?<br />
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material costs are rising.<br />
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The Typical PCB Manufacturing Process<br />
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Lower Tech Factories<br />
With approx. 80% of the pcbs made in the<br />
Far East, all factories are now consistently<br />
producing quality pcbs with a very<br />
reliable delivery performance.<br />
The main driver for the lower tech<br />
companies is cost, so we source the most<br />
competitive prices and lead-times.<br />
We match the lower tech requirements of<br />
these pcbs with the relevant pcb<br />
manufacturer, ensuring the best value.<br />
A lower tech factoring in China is<br />
regarded as a medium tech factory in<br />
Europe.<br />
These factories typically employ hundreds<br />
if not thousands of employees producing<br />
massive volumes of pcbs and part<br />
numbers.<br />
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<strong>ALR</strong> ?<br />
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Medium Technology<br />
Most of the factories we use on a daily basis<br />
are regarded as medium technology.<br />
These factories consistently produce a good<br />
quality pcb, delivered ontime and at a<br />
competitive price (we get preferential pricing<br />
because of our spend)<br />
All the factories we use are vetted and audited to ensure that they have the<br />
right capabilities to produce the quality at the right price.<br />
The Medium Technology factories we use would be regarded as state of the art<br />
pcb manufacturing facilities in the UK.<br />
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High Tech Factories<br />
We match the printed circuit<br />
boards complexity requirements<br />
with a known and trusted supplier.<br />
And when it comes to complex<br />
boards, this is paramount.<br />
The Factory must have the<br />
expertise, capability and<br />
investment to manufacture these<br />
types of boards, utilising class<br />
10,000 clean rooms.<br />
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Contact Details<br />
Scan the QR code to<br />
put details in your<br />
smartphone/tablet<br />
<strong>ALR</strong> Services Ltd<br />
9 Thame Business Park<br />
Bertie Road<br />
Thame<br />
Oxon<br />
OX9 3XA<br />
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Tel: +44 (0) 1844 217 487, Fax: +44 (0) 1844 217 519<br />
Email: sales@alrpcbs.co.uk<br />
Helping you save Money on your PCBs when<br />
material costs are rising.<br />
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