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Special FPCB
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Workshop

Workshop

Workshop

Object
Processing capacity(Metric)
Note
max panel size
27£¢x20£¢£¨686mm x508mm£©
innerlayer line width/space(min)
4mil/4mil
£¨100um/100um£©
min innerlayer clearance
5mil£¨0.13mm£©
min innerlayer pad
5mil£¨0.13mm£©
Referring to Weld Central relief
min core thickness
4mil£¨0.1mm£©
Non-Copper Foil
min dielectric thickness
3mil£¨76um£©
thickness of inner copper
1/3oz.1/2oz.1oz.2oz
£¨12um.17um.35um.70um£©
thickness of outerlayer base copper
1/3oz.1/2oz.1oz.2oz
£¨12um.17um.35um.70um£©
thickness of finished panel
0.40-4.0mm
tolerance of
finished panel thickness
Thickness£¼1.0mm
¡À12£¥
4-8 layer
1.0mm¡ÜThickness£¼2.0mm
¡À8£¥
4-8 layer
¡À10£¥
¡Ý10 layer
Thickness¡Ý2.0mm
¡À10£¥
surface treating technic of innerlayer
Black / brown oxidation
layer number
2¡«18
registration of innerlayer to innerlayer
¡À3mil£¨¡À76um£©
min drilling diameter
0.25mm
min diameter of finished hole
0.20mm
accuracy of hole position
¡À2mil£¨¡À50um£©
tolerance of drilled slot
¡À3mil£¨¡À75um£©
tolerance of PTH diameter
¡À2mil£¨¡À50um£©
tolerance of NPTH diameter
¡À1mil£¨¡À25um£©
max A.R. of PTH
10£º1
PTH hole copper thickness
0.4-2mil£¨10-50um£©
image to image tolerance
¡À3mil£¨0.075mm£©
outer layer line width/space(min)
4mil/4mil(100um/100um)
tolerance of line width
¡À1mil£¨¡À25um£©
type of solder mask
Taiyo PSR2000.NSR-9000.others
thickness of solder mask
Top Line
0.4-1.2mil£¨10-30um£©
Line corner
¡Ý0.2mil£¨5um£©
Substrates
¡Üthick copper+1.2mil
(¡Üthick copper+30um)
hardness of solder mask
6H
solder mask registration tolerance
¡À2mil£¨50um£©
min solder mask dam
3.0mil£¨75um£©
max solder mask plug hole diameter
0.8mm
surface treating technics
HASL.OSP.ENIG
max nickle thickness of gold finger
280u¡å£¨7um£©
max gold thickness of gold finger
60u¡å£¨1.5um£©
range of nickle thickness
for electroless nickle and immersion gold
120u¡å/240 u¡å£¨3um/6um£©
range of gold thickness
for electroless nickle and immersion gold
2u¡å/6 u¡å£¨0.05um/0.15um£©
min routing dimension tolerance(edge to edge)
¡À4mil(¡À0.10mm)
min routing dimension tolerance(hole to edge)
¡À3mil£¨0.075mm£©
V-cut angle
30¡ã£¬45¡ã£¬60¡ã, 90¡ã
range of bevel angle
20¡ã¡«60¡ã
min legend line width/space
5mil/5mil£¨0.125mm/0.125mm£©
peel strength of line
¡Ý6lB/in£¨¡Ý107g/mm£©
ionic contamination
£¼1.0ugNaCl/cm2
impedance control and tolerance
50¦¸¡À10%
bow and twist
¡Ü0.5%
type of dielectric material
CEM3.FR-4..
Tg175¡æ FR£­4.
other technics

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