Where to make low volume quality PCBs

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PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

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Where to make low volume quality PCBs

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quintendesmyter

Hi. In the past years I had made dozens of PCBs but now I am trying to get a professional finishing on them. The main problem is oxidation of the copper traces. Basically I use the silkscreen method to make the pattern in both layers and then etch. Later, I apply soldermask (by silkscreening too) in both layers and since I have to heat cure the soldermask in an oven, the copper oxidates too. I do not know which method will be better, if applying some kind of laquer, varnish, etc., (which also would be solderable too) and then apply the soldermask, or how I could stop the copper oxidation. Thank you very much for any help.

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2017/2/28 22:22:43

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