For photo imagable solder mask, I think, the minimum is 5 mills wide. 0.5 mm is 19 mills and so should be easy.
For silk screened solder mask, I imagine, the bridge must be a lot wider. Any idea of which process your vender uses DJ? Steve Meier DJ Delorie wrote: > Cool. > > About solder masks: I usually set those to the closest to the pad that > the vendor allows, which usually means 1.5 mil or so away. Worst > case, have the mask edge halfway between the pin and the plane. > > I never trust the library's mask or clearance, I always bulk-update > them once they're on the board. Yeah, it's something we need in the > vendor and drc functions, as what I update them to depends on where > I'm sending it to be made. > > For fine-pitch parts, I usually don't bother with mask between pads. > However, 4pcb can do mask between 0.5mm pitch pads (seemingly > perfectly, too, although I didn't spec them as tight as they > produced!) > > Some of the "round" copper bits look jaggie. Is that the scanner, the > design, or the board? > > > _______________________________________________ > geda-user mailing list > geda-user@moria.seul.org > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user