[icu-pcb-forum] Re: Allegro Dynamic Shapes - Reduce clearance
- From: Michael.Catrambone@xxxxxxxxxx
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Tue, 6 Apr 2004 08:20:05 -0500
Yep.. I tried that and it does not allow negative values.
Mike
Andy_Kulik@xxxxxxx@freelists.org on 04/06/2004 07:59:03 AM
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Subject: [icu-pcb-forum] Re: Allegro Dynamic Shapes - Reduce clearance
Mike,
I don't think the tools are design to do what you need.
Have you tried using negative values for the oversize?
Andy
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[icu-pcb-forum] Allegro Dynamic Shapes - Reduce clearance
All,
I have been working on PSD 15 for a while and
have not find a way to reduce the clearance on a
given shape. Basically I have a 1247 pin BGA with
8 different voltages that require external positive
shapes connecting to them on the bottom side.
In these cases I was able to change the via to
shape clearance to 5 mils to allow shape to flood
around the vias. The dynamic shapes parameter
form only give me the ability to oversize the
clearance not undersize it which I need.
I could add a Constraint Area but I have been
trying to stay away from them because of all
the related problems with using them.
Any ideas.
Thanks in advance,
Mike
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