[PCB_FORUM] Re: dynamic shapes (planes) not showing holes correctly?
- From: "Austin Franklin" <allegrolist@xxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Fri, 15 Aug 2008 15:38:28 -0400
Hi Dennis,
would you please make sure you're not using positive planes on this layer?
I changed to positive planes, and now the thruhole pads are voided as I
would expect.
Regards,
Austin
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of COMPEAU,DENNIS
Sent: Friday, August 15, 2008 3:33 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: dynamic shapes (planes) not showing holes
correctly?
Here is a quick pic of something I'm working on - I just threw in a quick
thermal relief pad for a sample.
Hopefully this is what your looking to see as a sample.
Dennis
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Austin Franklin
Sent: Friday, August 15, 2008 1:16 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: dynamic shapes (planes) not showing holes
correctly?
Hi Larry,
Yes, I have filled pads checked.
Well, the question is, do any of you have boards with dynamic shapes that
show the plane voided out around the drill hole/pad on PTH holes, and can
you please post a small picture?
Regards,
Austin
> -----Original Message-----
> From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
> [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]On Behalf Of Larry Briski
> Sent: Friday, August 15, 2008 3:05 PM
> To: icu-pcb-forum@xxxxxxxxxxxxx
> Subject: [PCB_FORUM] Re: dynamic shapes (planes) not showing holes
> correctly?
>
>
> Hey Austin,
>
> One final check please, do you have in the display settings to display
> filled pads?
>
> Larry
>
> COMPEAU,DENNIS wrote:
> > Hey Austin,
> >
> >
> >
> > As they say we've beat this one to death,
> >
> >
> >
> > Hopefully this will conclude the concern.
> >
> >
> >
> > It appears to me the issue is in your padstacks, make sure your
thermal
> > relief pads and your ant-pads are setup properly for each layer.
> >
> >
> >
> > I don't believe this is a shape problem.
> >
> >
> >
> > Good luck
> >
> >
> >
> > Dennis
> >
>
> ------------------------------------------------------------------------
> >
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] *On Behalf Of
> *Austin Franklin
> > *Sent:* Friday, August 15, 2008 12:21 PM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not showing holes
> > correctly?
> >
> >
> >
> > Hi Dennis,
> >
> >
> >
> > Yes, you are correct, it is setup in cross section as a negative
plane.
> >
> >
> >
> > Thermal pads and filled pads are checked.
> >
> >
> >
> > A point of interest...the NPTH holes all void fine on the plane, it's
> > only the PTH holes that don't.
> >
> >
> >
> > Thank you (and everyone else) so much for your help!
> >
> >
> >
> > Austin
> >
> > -----Original Message-----
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]*On Behalf Of
> *COMPEAU,DENNIS
> > *Sent:* Friday, August 15, 2008 12:56 PM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not showing
holes
> > correctly?
> >
> >
> >
> > Hey Austin,
> >
> >
> >
> > I'm still assuming this is a negative plane in your cross
section -
> > please confirm.
> >
> >
> >
> > If it is make sure that:
> >
> >
> >
> > 1. Setup/Drawing Options/ check "Thermal pads" and "Filled
pads"
> > are checked (my fault should have told you to have Thermal
> > pads checked also)
> > 2. Also make sure your padstacks are correct using the proper
> > Antipad
> >
> >
> >
> > We're going to figure this out - it's P_ssed us off.
> >
> >
> >
> > Dennis
> >
> >
> >
> >
> >
> >
> ------------------------------------------------------------------------
> >
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] *On Behalf Of *Austin
> > Franklin
> > *Sent:* Friday, August 15, 2008 10:19 AM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not showing
holes
> > correctly?
> >
> >
> >
> > Hi Dennis,
> >
> >
> >
> > I have done all three, to no avail. I'm off maintenance, so I
don't
> > believe I can report this to them, unfortunately.
> >
> >
> >
> > Best Regards,
> >
> >
> >
> > Austin
> >
> > -----Original Message-----
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]*On Behalf Of
> > *COMPEAU,DENNIS
> > *Sent:* Friday, August 15, 2008 11:00 AM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not showing
> > holes correctly?
> >
> > Hi Austin,
> >
> >
> >
> > I see you found one of the weak points in Cadence - and a pain
> > in the butt. Cadence has always had problems with shapes.
> >
> >
> >
> > Sometimes going to smooth doesn't even work to update the
shape,
> > when you need to update DRC before performing a smooth.
> >
> >
> >
> > 1. Go to Tools/Update DRC
> >
> >
> >
> > 2. Go To Setup/Drawing Options/Status/ pick smooth box -
pick
> > update to Smooth then OK - see if that fixes it, if that
> > doesn't fix it go to # 3.
> >
> >
> >
> >
> >
> > 3. Are you showing us a negative plane? If so go to
> > Setup/Drawing Options/Display/ and turn on filled pads,
> > and see if that fixes it.
> >
> > Also report this to Cadence - the more they hear
> > about plane issues they might give the planes more attention.
> >
> >
> >
> > Good luck
> >
> >
> >
> > Dennis Compeau
> >
> > Avago Technologies
> >
> > Fort Collins Colorado 80525
> >
> > 970-288-7405
> >
> >
> ------------------------------------------------------------------------
> >
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] *On Behalf Of
> > *Austin Franklin
> > *Sent:* Friday, August 15, 2008 8:40 AM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not showing
> > holes correctly?
> >
> >
> >
> > Hi Sue,
> >
> >
> >
> > Fill mode is already set to smooth.
> >
> >
> >
> > Thanks,
> >
> >
> >
> > Austin
> >
> > -----Original Message-----
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]*On Behalf Of
> > *Reade, Sue
> > *Sent:* Friday, August 15, 2008 10:38 AM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] Re: dynamic shapes (planes) not
> > showing holes correctly?
> >
> > try update to smooth
> >
> >
> >
> >
> ------------------------------------------------------------------------
> >
> > *From:* icu-pcb-forum-bounce@xxxxxxxxxxxxx
> > [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] *On Behalf Of
> > *Austin Franklin
> > *Sent:* Friday, August 15, 2008 9:58 AM
> > *To:* icu-pcb-forum@xxxxxxxxxxxxx
> > *Subject:* [PCB_FORUM] dynamic shapes (planes) not showing
> > holes correctly?
> >
> > Hi,
> >
> >
> >
> > > But, when I move this component off the board, then
back
> > on, the holes come through correctly.
> >
> >
> >
> > Only until I click "done"...then it goes back to
> not showing.
> >
> >
> >
> > Regards,
> >
> >
> >
> > Austin
> >
> >
> >
>
> --
> Lawrence Briski
> PCB Designer
> SGI
>
> lgb@xxxxxxx
> tel: 715.726.7440
> fax: 715.726.4345
> sgi.com
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