Bicheng Enterprise Limited
碧 澄 實 業 有 限 公 司
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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)
31 Solder mask (18um, 35um, 70um etc are finished copper. If not mentioned copper, finished 1oz is the default value ) Maximum via-plug diameter 0.5mm 0.5mm 0.5mm
32 Min.width of solder mask bridge Green:5mil(35um) Green:4mil(35um) Green:4mil(35um)
33 Yellow:5mil(35um) Yellow:4mil(35um) Yellow:4mil(35um)
34 Blue:5mil(35um) Blue:4mil(35um) Blue:4mil(35um)
35 Black:6mil(35um) Black:6mil(35um) Black:6mil(35um)
36 White:6mil(35um) White:6mil(35um) White:6mil(35um)
37 All of Matt:6mil All of Matt:6mil All of Matt:6mil
38 Green:5mil(70um) Green:4mil(70um) Green:4mil(70um)
39 Yellow:5mil(70um) Yellow:4mil(70um) Yellow:4mil(70um)
40 Blue:5mil(70um) Blue:4mil(70um) Blue:4mil(70um)
41 Black:6mil(70um) Black:6mil(70um) Black:6mil(70um)
42 White:6mil(70um) White:6mil(70um) White:6mil(70um)
43 Open solder mask 4mil(35um) 4mil(35um) 3mil(35um)
44 Solder mask coverage 4mil(35um) 4mil(35um) 3mil(35um)
45 Min.width of solder mask text 9mil(35um) 9mil(35um) 8mil(35um)
46 Min.thickness of Solder mask 9um(35um) 9um(35um) 9um(35um)
47 Max.thickness of solder mask 30um(35um) 30um(35um) 30um(35um)
 
 

 

 

 
 

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