Post by thread:] Homebrew DS pcb

Jon wrote: > Previously I've mostly made SS pcb's at home with very good results. Last > couple have been double sided, but I'm still having problems getting the 2 > sides properly aligned. My last effort was "good enough", but I'm still > destroying half of the pad on the opposite side when I drill the really > small pads (like for my 4 vias). > > I use presensitised board, and laser printed transparency and a > homemade UV > box. > > How do other people align the transparency on either side? You could make some square markers that line up with the edge of the PCB on the artwork (both layers). Brian. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics