DJ Delorie wrote: For negative boards (like > mine), you put ink where you want the copper *removed*. The UV > hardens the film, so anything clear in the mask remains in the film.
Ah so... all components are optimized in same direction with subtractive etching, negative resist, a negative phototool minimizing ink printed and maximizing copper left on the board, which minimizes chemicals used and waste generated. John G _______________________________________________ geda-dev mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-dev
