in 99SE the via tenting attribute (and/or the override) will take precendence over a design rule expansion amount
as it should IMO i have never seen one be untented mysteriously, but maybe i never noticed it Dennis Saputelli Ian Wilson wrote: > > On 12:28 AM 4/03/2004, Leo Potjewijd said: > >Hi. > > > >I just discovered something strange: > > > >I like my vias tented so I keep the tenting checkbox in the default via > >settings dialog checked. > >While interactively routing a PCB I noticed that the automatically placed > >vias did not get tented (and the forementioned checkbox is still checked).... > >I do not want to end up with a board that has some vias tented and some > >not, and the global edit on the complete board afterwards is too easiliy > >forgotten. > > > >I'm sure I'm missing something obvious, but haven't a clue.... > >Please help me out, guys.. > > There are two ways to force tenting on vias - or at least there are two > places to control the solder mask expansion. The via has a tenting > attribute and there is a design rule that controls solder mask > expansion. I have no idea which has precedence, I would hope the tenting > attribute of the via. However you may want to check, and play with, the > Manufacturing-Solder Mask expansion rule. If you make the rule expansion > ridiculously big do the auto-placed vias follow the silly expansion? > > Before we had the tenting attribute you had to apply a large enough > negative expansion to force tenting. > > The checkbox being tented but the actual via being untented does sound very > odd - unless there is a conflict between the rules and the tent > attribute. Are the auto-placed vias the same dimensions as the manual > placed vias? Are they both vias? The manual ones aren't free pads are > they? (Just asking some possibly silly questions.) > > What happens if you save as ASCII and then re-load? What does the ASCII > file show for a tented and untented via? The ASCII records are not hard to > read. > > Not sure I have too many other ideas. > > Bye for now, > Ian > -- _______________________________________________________________________ Integrated Controls, Inc. Tel: 415-647-0480 EXT 107 2851 21st Street Fax: 415-647-3003 San Francisco, CA 94110 www.integratedcontrolsinc.com * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
