Bicheng Enterprise Limited
碧 澄 實 業 有 限 公 司
+86-755-27374946
info@bicheng-enterprise.com
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  Design For Manufacture
 
pcb Inner Layer
 
pcb Laminating
 
pcb Drill
 
pcb Etching
 
pcb Outer Layer
 
pcb Solder Mask
 
pcb Silkscreen
 
pcb Carbon Ink
 
pcb Peelable Mask
 
pcb Surface Finish
 
pcb Contour
 
pcb Special Tolerance
   
   
   
   
   

 

 

 
 
Serial NO. Procedure Item Manufacturing capability
Large volume（S<100 m2） Middle volume （S<10 m2） Prototype（S<1m2）
66 Contour process Method of contour process CNC milling, V-CUT, Break-out tap, break-out holes, Punching
67 Minimum router 0.8mm
68 Min.tolerance of contour ±0.15mm ±0.13mm ±0.1mm
69 Min.distance of milling contour(no copper exposure) 12mil 10mil 8mil
70 Angle of V-CUT 20、30、45、60 ±5 degree
71 Degree of symmetry of V-CUT ±6mil ±5mil ±4mil
72 Tolerance of residual thickness of V-CUT ±6mil ±5mil ±4mil
73 Tolerance of Chamfer angle of Gold finger ±5 degree ±5 degree ±5 degree
74 Tolerance of residual thickness of bevel edge of gold finger ±5mil ±5mil ±5mil
75 Min radius of inner corner 0.4mm
76 Min. distance from edge to V-Cut (no copper exposure) 18mil (1.6mm Thick, 20 degree V-groove cutter) 14mil(1.6mm Thick, 20 degree V-groove cutter) 12mil (1.6mm Thick, 20 degree V-groove cutter)
77 20mil (1.6mm Thick, 30 degree V-groove cutter) 18mil (1.6mm Thick, 30 degree V-groove cutter) 16mil (1.6mm Thick, 30 degree V-groove cutter)
78 24mil (1.6mm Thick, 45 degree V-groove cutter) 22mil (1.6mm Thick, 45 degree V-groove cutter) 20mil (1.6mm Thick, 45 degree V-groove cutter)
79 30mil (1.6mm Thick, 60 degree V-groove cutter) 28mil (1.6mm Thick, 60 degree V-groove cutter) 26mil (1.6mm Thick, 60 degree V-groove cutter)
 
 

 

 

 
　

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