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The production process  

Project production process

1-30 layers (maximum)
FR - 4 aluminum plate type
50 mm size X800mm
Overall dimensions accuracy + / - 0.2 mm
0.40 mm - 2.4 mm thickness range
Acuity 0.8 mm thickness tolerance (t) plus or minus 10%
Thickness tolerance (t < 0.8 mm) plus or minus 10%
Medium thickness of 0.075 mm - 5.00 mm
Minimum line width 6 mil
Minimum spacing of 6 mil
The outer copper thick 35 um
The inner layer copper thickness 17 um - 100 um
Drilling aperture (mechanical) 0.3 mm - 6.35 mm
The minimum resistance welding bridge 0.1 mm wide
The minimum resistance welding isolation ring is 0.1 mm
Plug hole diameter is 0.25 mm - 0.60 mm
Pore forming aperture (mechanical) 0.3 mm - 6.30 mm
Pore size tolerance (mechanical) 0.08 mm
The 0.09 mm hole position tolerances (mechanical drill)
Thickness aperture ratio 8:1
Resistance welding type photosensitive ink
Surface treatment type hot air leveling tin, chemical nickel, gold, chemical tin, OSP





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