Precision PCB fabrication, HDI PCB, Rigid-flex PCB, FPC, High-Frequency PCB, High-Speed PCB, Heavy-copper PCB, MCPCB, Standard PCB, Multilayer PCB CN
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Rigid PCB Feature Mass production Advanced
 Layers 1 layer - 20 layers 1 layer - 26 layers
 Max. copper thickness of inner layer (oz) 12 15
 Max.  copper thickness of outer layer (oz) 20 25
 Min copper thickness (oz) 1/3 1/3
 Min. via hole size (CNC Drilling)  (mm) 0.2 0.1
 Pad over drill size (inner layer) (mm) 0.125 0.1
 Pad over drill size (outer Layer)(mm) 0.125 0.1
 Max. aspect Ratio 10:1 12:1
 Plated via hole diameter tolerance  (mm) ±0.076 ±0.05
 Min width of solder mask dam (mm) 0.1 0.076
 Solder Mask Registration Tolerance 0.076 0.05
 Min. thickness of the core of multilayer PCB (mm) 0.1 0.1
 Layer to layer registration tolerance  (mm) ±0.1 ±0.076
 Max. unit size (mm) 550X620
400X1500
550X620
400X2000
 Min. unit size (mm) 0.5x1 0.5x0.8
 Max. board thickness  (mm) 3.5 20
 Min. board thickness  (mm) 0.4 0.15
 Impedance control tolerance ±10% ±8%

HDI PCB Feature Mass production Advanced
 HDI Structure 1+n+1;  2+n+2;  3+n+3 Anylayer
 Minimum blind hole 0.075mm 0.075mm
 Minimum buried  hole 0.1mm 0.1mm
 Via-plugged (by epoxy) 0.2-1.2mm 0.2-1.2mm
 Via-plugged (by solder resist ink) 0.2-0.6mm 0.2-0.6mm
 Minimum hole size  (mechanical drilling) 0.1mm 0.1mm
 Minimum hole size  (laser drilling) 0.075mm 0.075mm

Flexible-PCB (FPC) Feature Mass production Advanced
Max. Layer Count 10L 12L
Max. Panel Size (mm) 250*1200mm 250*1200mm
Min. Unit Size (mm) 2*2mm 2*2mm
Max. Board Thickness  (mm) 0. 65mm (16mil) 0. 65mm (16mil)
Min. Board Thickness  (mm) 0.075mm (3mil) 0.075mm (3mil)
Max. Hole Size 6.5mm (260mil) 6.5mm (260mil)
Min. Hole Size 0.15mm (6mil) 0.1mm (4mil)
Max. Copper Thickness (Outer layer) (oz) 2oz (70um) 3oz (105um)
Min. Copper Thickness (Outer layer) (oz) 1/4oz (12um) 1/4oz (12um)
Min. Line Width/Space (Copper thickness1oz) 0.1mm (4mil) 0.075mm (3mil)
Min. Line Width/Space (Copper thickness Hoz) 0.075mm (3mil) 0.05mm (2mil)
Coverlay Registration (mm) ±0.1mm  (4mil) ±0.1mm  (4mil)
Outline Tolerance -Sample (mm) ±0.3mm (12mil) ±0.3mm (12mil)
Outline Tolerance-MP (mm) S/S and D/S: ±0.1mm  (4mil)
Multilayer: ±0.15mm  (6mil)
S/S and D/S: ±0.1mm  (4mil)
Multilayer: ±0.15mm  (6mil)
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