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Re: [Homebrew_PCBs] UV light sources

2012-01-27 by Per Mattsson

Very good- thanks!


26 jan 2012 kl. 23.27 skrev DJ Delorie:

> As for exposure, the math only gets you part way - you should calibrate
> the film against your actual setup using something like a step
> transmission wedge: http://www.stouffer.net/TransPage.htm

Per Mattsson - per@... - 0706524567





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