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4hv.org :: Forums :: General Science and Electronics
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finally going to start etching boards

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Forty
Tue Oct 04 2011, 02:15AM
Forty Registered Member #3888 Joined: Sun May 15 2011, 09:50PM
Location: Erie, PA
Posts: 649
 		the copper chloride solution works great. etched a 3oz copper single sided test board (with polystyrene as my etch resist) in a dish with a magnetic stirrer. took several hours to finally get through the thick copper, but there was zero damage under the resist so that's good.
I'm also looking in to other resist coatings (got 5 samples going overnight) as well as using sonication to aid in the removal of copper.
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