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Lounge
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http://www.clubcobra.com/forums/lounge/)
Acid Etching....did you every wonder why?
Did you every wonder why the acid etching liquid does not remove the metal under the protective masking? You would think it would remove the metal under the protective masking as well.
Interesting:confused:
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| trularin |
08-16-2009 07:37 PM |
On a PCB it does tunnel a little.
:D :D
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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.
http://www.ami.ac.uk/courses/topics/...pcbfp_imgc.gif |
| trularin |
08-17-2009 05:41 AM |
Dang, I think I have that same picture.
Nice Buzz.
:D
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Thaks for the info guys. Excellent graphic.
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| bomelia |
08-17-2009 09:00 AM |
Is there no bit of esoterica that Cobra folks do not know?:LOL:
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If I was on Who wants to be a millionaire I would use CC as a lifeline!
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| trularin |
08-18-2009 06:39 AM |
We would hope that all member(s) would be "online" as you climb the ladder.
Let's see, 1,000,000 divided by 15,000 is... :LOL:
:D :D
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Can we at least divide after taxes are taken out?
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| trularin |
08-18-2009 07:29 AM |
Hahahahahaha Now that is funny.
:LOL: :LOL:
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