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Subject: Re: [Homebrew_PCBs] Setting exposure with a step gauge

From: "Zoran A. Scepanovic" <zastos@...>
Date: 2009-05-31

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Philip Pemberton wrote:
> Hi guys,
> My two Stouffer 21-step step gauges arrived the other day, and I'd like to
> use them to figure out an exposure for a positive-acting precoated photoresist
%<

Check <http://www.thinktink.com/stack/volumes/volvi/filmimag.htm> there
you have the explanation on using step gauge

--
Best regards,
Zoran A. Scepanovic
zastos@...
+381 63 609-993
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