Trent, In this case I draw an identical (or slightly larger) arc on the appropriate soldermask layer. If your keypad is a component you can do it at the library level.
Regards, Jim McGrath [EMAIL PROTECTED] wrote: >In Protel 99SE SP6 is it possible to define an arc or trace so that there is >no solder mask on the trace. > >I understand that with pads you can override the Solder Mask (in the >"Advanced" tab in the Properties dialogue) but can you do that with regular >traces, specifically arcs? >To eliminate the solder mask over a trace do I simply draw a line on the >solder mask layer overtop of the trace? > >Let me attempt to describe the application. >I am making a keypad. Metal keypad domes will be used. The footprint for >the dome looks like a doughnut (an arc) surrounding a circular pad. When a >key is pressed, the dome will come down making an electrical connection >between the circular arc around the edges of the dome and the circular pad >in the center. > >The Solder Mask layer is a negative layer correct (it assumes solder mask >everywhere and only removes solder mask if something is drawn there). So do >I just need to draw an arc on the solder mask layer over my arc? > >Is this possible in Protel? > >Trent Bates > > > > ____________________________________________________________ You are subscribed to the PEDA discussion forum To Post messages: mailto:[email protected] Unsubscribe and Other Options: http://techservinc.com/mailman/listinfo/peda_techservinc.com Browse or Search Old Archives (2001-2004): http://www.mail-archive.com/[email protected] Browse or Search Current Archives (2004-Current): http://www.mail-archive.com/[email protected]
