"Howard" <hj.payne@...> writes: > Anyone know how long to expose this make of board ? The tool for this job is a "step transmission gauge" which helps you calibrate exposure times. I did some big writeups about this a few weeks ago; you can buy them from www.stouffer.net for about $7 plus S&H.
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Re: [Homebrew_PCBs] PCB Probs
2008-07-19 by DJ Delorie