Really, the method works (with a laminator). I'm familliar with the photo-resist method and have the equipment and have used it in the past. I don't use photoresist now because toner transfer works great for me. Once you get it figured out it is actually faster. I can do everything I want with less expensive materials. I've done stuff quite a bit more complex than what I've published on the website; but I thought the given examples were sufficient to prove you can do pretty fine pitch work with the method. There still seem to be some critics out there. Thats fine; but don't discount something just because you haven't had as good of results yet. I've just done (last month) a 188 processor board with 2 100 pin tqfp's, 1 32pin tsop,1 40 pin pdip, 1 28 pin SOIC, 1 24 pin SOIC, several headers, leds, resistors, caps, SOT-223's. This one was tight and a bit of a headache, but more from drilling and soldering that many holes (>100). Thats mostly because I used a $39 harbor freight drill press. Maybe I'll have to post more pictures... Anyway, photoresist works. Toner transfer also works. Both take a little bit of experimentation to get workable results. My first photoresist boards weren't exposed/developed perfectly, just as my first toner tranfer boards weren't perfect either. A little patience and practice fixed that for me. I'm sure it could for you as well.
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Laser toner transfer - IT WORKS
2003-10-27 by wheedal99
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