Had to do more adapter boards, this time I timed the etch. The FeCl was up to temp (no delay this time), so it was about 115-120F. Single sided 1/2 oz copper, the board was 1x2". Etch time: 90 seconds!
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Re: [Homebrew_PCBs] Heated etchant rocks!
2007-05-20 by DJ Delorie