--- kilocycles <
kilocycles@...> wrote:
...
> The ferric chloride method typically takes me 20 minutes or so.
at room temperature (not freezing, of course) shouldn't take more than one
minute or two per half board if you 'wipe' it gently with a soft brush or tap
it with a (home made jumbo) cotton swab during etching.
the trick is to remove the 'used' etchant off the surface of the board
mechanically. no bubbles, no heating, no over etching, and you can see what you
are doing while you hold the board partially out of the bath.
with this method you actually can watch the copper disappear...
> I just happen to have a bottle of Future floor wax handy.
>... So you can solder right through the stuff, eh? Have to try that.
sounds interesting to try.
what kind of stuff is this? here we don't know your brands.
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