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Home made PCB?
"numeric" wrote in
news "Leon" wrote in message . .. I don't have any problems making PCBs at home for 0.5 mm lead spacing QFPs, or soldering them. by hand (drag soldering). Leon Thanks for the reply. I have though about using a laser printer to print a negative image on clear Mylar. Then expose a photo sensitive PCB to the negative image. The laser printer does print very sharp lines as visible using a 10X loop. The quality should be good enough for fine pitch. The etching process however may end up in disaster with fine pitch lines. How do you make the PCB? That's what I do. Then I transfer the layout to fotoboard2 by exposing to my sunray for 5 minutes, and etch with sodium persulfate. Perfect results. And soldering 0603 by hand is really no problem. Sam |
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