Circuit Board Maker
6 layers Impedance Control PCB with flash +hard gold finish 100% E-TEST printed wiring board
Circuit Board Maker specification：
|Layers：||6 layers||Material：||FR4 TG 170|
|Thickness：||1.6mm||Min. Line width：||5.5 mil|
|Min.Hole size：||0.2 mm||Surface finish：||ENIG+gold finger(15U”)|
|Copper thickness：||1 OZ||Impedance control:||Yes|
|Min. Copper hole：||1 mil||Leading time||4 working days|
* We usually use IT 180A or S1000-2 for TG 175.
* The surface finish of the board is ENIG+gold fingers. For the gold thickness of the gold fingers, we have the specification of 15u”, 30u”, 50u” and 60 u”.
* Also we have the 1 mil min copper in holes as our standard.
* We also provide the other colors for the soldermask such as black, matt green, yellow and red.