Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: [Homebrew_PCBs] Heated etchant rocks!
From: DJ Delorie <dj@...>
Date: 2007-05-20
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!