[PCB_FORUM] Re: traces moving with symbols??? Anybody else see th is?

  • From: Kevin McCowan <kmccowan@xxxxxxxxxxxxxx>
  • To: icu-pcb-forum@xxxxxxxxxxxxx
  • Date: Fri, 03 Sep 2004 15:09:37 -0400

Or, you can delete the part and readd it. I have noticed this
problem numerous times in the past. I wonder why I haven't
let Cadence know? Maybe now is the time.

Hope this helps,
Kevin McCowan
Sr. PCB Designer
TSI Telsys


Jean Bratton wrote:

We've seen this in 14.2 designs that stayed in 14.2 too! Attached is
something that was passed around over 2 years ago that seems to solve the
problem in 14.2. Don't know if it will solve your problem or not...
Good luck.


1) Load the attached program, del_cline_prop.il to current directory or skill path.

2) At Allegro command line, type   skill

3) At Allegro command line, type   load "del_cline_prop.il"   (note: use
space and quotes)

4) At Allegro command line, type   exit

5) At Allegro command line, type   dprop


-----Original Message-----
From: MAILER-DAEMON@xxxxxxxxxxxxx [mailto:MAILER-DAEMON@xxxxxxxxxxxxx] Sent: Friday, September 03, 2004 2:54 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] traces moving with symbols??? Anybody else see this?


Have run into an odd situation using 15.1...
Designs that were originally done with 14.2 seem to have "sticky" traces
when moving some parts.

If I move a particular part, the traces (etch) on the top layer move right
with the part as if they were part of the part.


I tried it with the "rip up etch" switch on, with the etch layer off, tried
it with different components... some do and some don't retain the traces.
Seems random, but so far my most dense BGA parts and connectors refuse to
leave their top traces behind... they just break the etch off at the first
via, and along it comes.

Anybody else seeing this? Any possible solutions? Have seen this in a
couple of designs now.


very strange. -----------------------------------------------------------
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