Electronics Forum: ph9 (Page 1 of 1)

ammonium sulfate etching process

Electronics Forum | Thu Nov 16 06:13:16 EST 2000 | Adam Seychell

I am currently building a home PCB etching tank based on the ammonia/ammonium sulfate chemistry. The etching system consists of a etching tank, and an electrolytic copper recovery tank. The result is a infinitely replenishable etching system without

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