08-16-2009, 10:41 PM
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CC Member
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Join Date: Feb 2000
Location: St. Lucia, West Indies,
WI
Cobra Make, Engine: Unique 427SC 383 stroker
Posts: 3,786
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It sure does on PCB copper and I would imagine it does on other metals as well. The masked and therefore untouched surface edge appears sharp but the acid almost certainly acts laterally beneath it as well as vertically. Here is a cross sectional representation of a PCB etch.
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Tropical Buzz
Grant me the serenity to accept the things I cannot change, the strength to change the things I can, and the wisdom to know the difference. -(wasn't me)
BEWARE OF THE DOGma!! Dogmatism bites...
Last edited by Buzz; 08-16-2009 at 10:49 PM..
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