On Wed, Apr 05, 2006 at 11:59:37PM -0400, Dan McMahill wrote: > DJ Delorie wrote: > >>1) grow all soldermask relief by min_soldermask/2. > >>2) verify that all pads are in little islands of soldermask relief with > >>no other pads > > > > > >Do we already check for too-small necks in polygon clearances? If so, > >why not re-use that code? > > > > we don't as far as I can tell. I just tried putting 2 vias very close > to each other in a rectangle of copper such that the remaining copper in > between was only about 1 mil wide. With a 5 mil min width DRC rule I > did not get a failure. Hmm, I also found another case which confuses
Is it a DRC failure? I have my boards full of such shit and I don't care. I think the 1mil wide think cannot peel off and float because it's held on both ends. Maybe it can get interrupted but I don't rely with my groundplane connectivity on such thin places. CL< > DRC. I drew a 1 mil wide line and then covered it with a 50 mil wide > line. DRC complains that I have a line which is too narrow. > > -Dan >
