On 08/05/2011 12:32, Tom Biery wrote: > > > > One very important aspect is how you make the negative? I am using Vellum > drafting film trade name is "Clearprint" or "Dietzen" brand. I am curious what > otheres might be using to make there negatives with? I print my positives on Mega Electronics JetStar Premium film using a cheap HP inkjet printer. They work very well. Leon -- Leon Heller G1HSM
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Re: [Homebrew_PCBs] Length of sunlight exposure of photosensitive boards
2011-05-08 by Leon Heller