Please find below a brief description of the thickness of surface finish for a printed circuit board:
Surface Finish |
JetPCB Capabilities |
General Thickness |
Max. Thickness(please contact our sales representative) |
Notes |
HASL
HASL pb free |
0.7mil
(17.5μm)
|
1.2mil
(30μm) |
|
ENTEK/ OSP |
0.4μm |
|
|
Immersion Tin (ImSn) |
30~40μ"
|
|
|
Immersion sliver (ImAg) |
6~8μ"
|
|
|
Immersion gold (soft gold) |
3~5μ" |
12μ" |
The general thickness for immersion gold is 100~120μ". If your specification is beyond this range, please contact our sales representative. For your information, our capabilities for such service can be reached to 350μ". |
Gold Plating |
3~5μ"
|
50μ" |
|
ENEPIG |
3~8μ" |
|
|
The above mentioned are FYI, thank you.