Quote:
Originally Posted by knc1
I deleted the original content of this post.
After some study, and a few dozen timed trials, a faster etch is very possible.
I'll fill in the details here after a few more confirmation runs.
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Phooy - running out of 35% hydrogen peroxide for the test runs.
Well, I do have 10 days worth of notes to type up and make sense of (before the acid splashes do in the paper and ink).
Want to etch a board in under 20 seconds?
When reference board in MG-415 commercial etchant takes 20 minutes?
The 'key' this time was to use a buffer (C2H4O2) rather than a chelating agent (C6H8O2).