Shenzhen Bicheng Electronics Technology Co., Ltd
深圳市碧澄电子科技有限公司
+86-755-27374946
info@bicheng-enterprise.com
WELCOME TO BICHENG

  Design For Manufacture
 
a Inner Layer
 
b Laminating
 
c Drill
 
d Etching
 
e Outer Layer
 
f Solder Mask
 
f Silkscreen
 
g 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)
1 Inner layer (18um, 35um, 70um etc are finished copper. If not mentioned copper, finished 1oz is the default value ) Min.isolation of layers 0.1mm 0.1mm 0.06mm
2 Min.track and spacing 5/5mil(18um) 4/4mil(18um) 3/3.5mil(18um)
3 5/5mil(35um) 4/4mil(35um) 3/4mil(35um)
4 7/9mil(70um) 6/8mil(70um) 6/7mil(70um)
5 9/11mil(105um) 8/10mil(105um) 8/9mil(105um)
6 13/13mil(140um) 12/12mil(140um) 12/11mil(140um)
7 Min.distance from drill to conductor 4 Layer 10mil,6 layer 10mil,8-12 layer 12mil 4 layer 8mil,6 layer 8mil,8-12 layer 10mil,14-20 layer 14mil,22-32 layer 18mil 4 layer 6mil,6 layer 6mil,8-14 layer 8mil,16-22 layer 12mil,24-32 layer 14mil
8 Min.width of annular ring on inner layer 4 Layer 10mil(35um),≥6 Layer 14mil(35um) 4 Layer 8mil(35um),≥6 layer 12mil(35um) 4 Layer 6mil(35um),≥6 Layer 10mil(35um)
9 Inner layer isolation ring width(Min) 10mil (35um) 8mil (35um) 6mil (35um)
10 Min.via pad diameter 20mil (35um) 16mil (35um) 16mil (35um)
11 Min. distance from board edge to conductor(no copper exposured)(inner layer) 14 mil(35um) 12 mil(35um)) 8 mil(35um)
12 Maximum copper weight(Inner layer and outer layer) 3 OZ( 105 um ) 4 OZ ( 140 um ) 6 OZ( 210 um )
13 Core with different copper foil on both sides / 18/35,35/70 um 18/35,35/70 um
 
 

 

 

 
 
 
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