Tuesday, 5 June 2018

pcb - How to remove solder mask?


I'd like to reuse a PCB in non-intended way and I have to remove the green solder mask to expose the copper traces in 1 x 3 cm area. Is there any safe method to do it without damaging the traces?


I've tried acetone first, then a bunch of other household chemicals, but it is resistant.



Answer



Google "fiberglass brush pencil", once you try that you won't want anything else.


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