INPREX by FUJIFILM

Digital Exposure System INPREX
INPREX is the digital exposure system to achieve production-level throughput for the
printed circuit board manufacturing industry. This system has DLP based optics
combined with the unique 405nm laser units, advanced image processing and lens design
technology by FUJIFILM.
Exposure Process
INPREX achieves a fine-pattern exposure with
1.25μm pixel pitch at one-time scan in a cycle
time of 22.5 seconds* minimum for large-size
prints (160 prints per hour). It's able to dispense
with an exposure mask and build up high
productivity and high precision performances for
various full-scale production lines.
*Board size: 534 x 610mm, DFR sensitivity: 13mJ/cm2
INPREX has multiple exposure heads covering the width of the board. Each exposure
head has a digital micromirror device (DMD) as a spatial light modulator. The laser
source is led through optical fibers and converted to uniform light by a
Koehler illumination system. The light is irradiated to the DMD and
modulated by the micro mirror corresponding to the pattern data that
the imaging engine transfer synchronized with moving the board
linearly by 1.25μm pixel pitch.
Since the exposure optics are highly optimized to the optical
characteristics of the DMD, a beam spot precisely forms a DMD
image on an imaging surface laminated with photoresist. INPREX has
sufficient capabilities of exposure narrow pitch and narrow clearance
patterns for boards including the IC substrate and the module board.

High-resolution patterns
FUJIFILM Corporation
Industrial Digital Imaging
Business Development Office
Tel: +81-3-6271-1087
Corporate Info
http://www.fujifilm.com/about/index.html
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