[PCB_FORUM] Re: Bugs in Allegro 15.2

  • From: "Paul Gingras" <paul@xxxxxxx>
  • To: <icu-pcb-forum@xxxxxxxxxxxxx>
  • Date: Wed, 16 Mar 2005 08:57:47 -0500

Yup, that's why Cadence has the partnership and direct I/F into Valor.

-----Original Message-----
From: chris.ball@xxxxxxxxx [mailto:chris.ball@xxxxxxxxx] 
Sent: Wednesday, March 16, 2005 8:37 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Bugs in Allegro 15.2


In my opinion, if you can't trust the output of your ECAD system:
you're using a lousy ECAD system
you're ignoring the errors it's reporting
you haven't set it up correctly
some combination of the above

Just my opinion...



 

                       "Paul Gingras"

                       <paul@xxxxxxx> @ VALSMTP          To:
<icu-pcb-forum@xxxxxxxxxxxxx>           
                       Sent by: @VALSMTP                 cc:

                                                         Subject:
[PCB_FORUM] Re: Bugs in Allegro   
                       03/16/2005 08:28 AM                 15.2

                       Please respond to

                       icu-pcb-forum

 

 

 





In my opinion and again this is only my opinion because this has happen to
us in much earlier releases of Allegro.

Anyone who chooses to proceed to fab without running the design thru Valor
or insuring that the fab vendor of choice runs the layout thru Valor does
so
at his or her own risk.

Paul Gingras
KAW
39 Simon St. Bldg. 4
Nashua, NH 03060
603 886 8711 x200

-----Original Message-----
From: Vivekananda R K - CTD, Chennai [mailto:vivekanandark@xxxxxxxxxxx]
Sent: Wednesday, March 16, 2005 1:44 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Bugs in Allegro 15.2

Hi,
One of the Npth hole was shorted to the plane(Positive plane). We have
provided Route and via keepout also we setted the pin property to 20 mil
over size.But still it is shorting to the plane in one layer and rest of
the
layers getting 20 mil clearence . Also not indicating  the DRC.Some time it
is happening with vias also.
Why this problem coming.How we can fix this problem?Is Any body get
experienced in to this problem, pls advice the way of checking techniques
for this issue.

Regards

K.vivek
Pcb Designer
Hcl Technologies.
Chennai.
India.
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