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#11
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Etching copper clad
flybynightkarmarepair wrote:
Ernest Christley wrote: Getting ferric chloride from Radio Shack is getting problematic. Is there a common household chemical that I can use for etching a circuit board or two? I seem to remember Jim Weir having an article about how to do it in the not to distant past, but I can't find anything about it in my back copies of Kitplanes. You're thinking of this post: http://groups.google.com/group/rec.a...+circuit+board Scroll down for Jim's response to RS Hoover's intial post. Muratic acid and Hydrogen Peroxide. Ah, yes! That's it. Thank you...and Jim...and Mr. Hoover. Ferric chloride is good, and I figured it could be had; but, it would be a hazardous, special purpose chemical that would sit around for a very long time with very little likelihood of ever being used again. Muriatic acid and hydrogen peroxide are both useful for all sorts of things. |
#12
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Etching copper clad
Ernest Christley wrote: Ferric chloride is good, and I figured it could be had; but, it would be a hazardous, special purpose chemical that would sit around for a very long time with very little likelihood of ever being used again. Muriatic acid and hydrogen peroxide are both useful for all sorts of things. ------------------------------------------------------------------------------ Dear Ernest (and the Group), Definitely go with the acid over the Ferric Chloride. I only use the stuff because I'm already set-up to do so. The acid-peroxide stuff sounds like a good idea. -R.S.Hoover PS -- I'll post pix of the thang I use for drilling on the Chugger site then copy an edited version of the March posting to my blog. |
#13
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Etching copper clad
Ernest Christley wrote: Ferric chloride is good, and I figured it could be had; but, it would be a hazardous, special purpose chemical that would sit around for a very long time with very little likelihood of ever being used again. Muriatic acid and hydrogen peroxide are both useful for all sorts of things. ------------------------------------------------------------------------------ Dear Ernest (and the Group), Definitely go with the acid over the Ferric Chloride. I only use the stuff because I'm already set-up to do so. The acid-peroxide stuff sounds like a good idea. -R.S.Hoover PS -- I'll post pix of the thang I use for drilling on the Chugger site then copy an edited version of the March posting to my blog. |
#14
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Etching copper clad
RST Engineering wrote:
September '06. Addendum...abrasion with 180 grit sandpaper/cloth does a better and less hazmat job of removing the resist than does lacquer thinner. Jim Duly noted. I'm working on one of the capacitive fuel gauges. You wouldn't happen to have the PCB artwork laying around, perchance? I've started laying it out in gEDA, an open-source design/simulation/production system. "Ernest Christley" wrote in message ... Getting ferric chloride from Radio Shack is getting problematic. Is there a common household chemical that I can use for etching a circuit board or two? I seem to remember Jim Weir having an article about how to do it in the not to distant past, but I can't find anything about it in my back copies of Kitplanes. |
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