Paremeter
Samples(<3m2)
Small volume and mass production(≥3m2)
Remark
Layer count
60
32
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Board thickness(mm)
0.4-7.0
0.6-5.0
-
HDI
4+N+4
3+N+3
-
Copper thickness(OZ)
0.5OZ,1OZ,2OZ,3OZ,4OZ-10OZ
0.5OZ,1OZ,2OZ,3OZ,4OZ
-
Laser drill size/4mil
4mil
4mil
-
hole size(mm)
0,15-6.5
0.2-6.3
-
Aspect ratio
25:1
15:1
-
Distance of hole to conductor(mil)
5
6
-
Trace width/spacing(inner layer)(mil)
2.5/2.5mils
3.0/3.0mils
Decided by copper thickness
Trace width/spacing(outer layer)(mil)
3/3mils
3.0/3,0mils
Decided by copper thickness
BGA size(mil)
6
8
-
Solder mask
Green/matt green, yellow ,red, blue ,black ,white ,
Green/matt green, yellow ,red, blue ,black ,white ,
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Solder mask bridge (mil)

3.5

4
Decided by copper thickness and sm color

Surface finishing
Flash gold , ENIG , ENEPIG , gold fingers, Hard gold, immersion silver, immersion tin, HASL , HASL LF, OSP
Flash gold , ENIG , ENEPIG , gold fingers, Hard gold, immersion silver, immersion tin, HASL , HASL LF, OSP

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Material
FR4 material:IT180A, TU768,S1000-2M, 370HR, 185HR ,EM-827
High speed material: M4S, M6 ,IT968, FR408HR, IT170GRA1, N4000-13
High frequency material:Rogers 4350b,4003c, RO3003G2, 3010 ,RT5880

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PCB size(mm)
9*9mm~ 600*900mm
20*20mm~580*690mm
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Shenzhen Huafu multilayer circuit Co.,Ltd was established in 2017 is a high quality electronic manufacturing services (EMS) manufacturer . 

Based on our advanced production facility and technical team,Shenzhen Huafu offers services including PCB layout, PCB fabrication,components purchasing, PCB assembly, box build assembly and testing.

We have successfully serviced customers from USA, Germany, UK, Italy, Poland, Turkey, Brazil and other regions of the world.

Market sectors covers Communications, Energy, Security, Medical, Industrial, Automotive electronics and Smart home projects.