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Creating exceptions to keepouts

Hi all

Using Allegro 16.6, I want to create a via keepout area that will only allow GND vias, and give an error if any other net is in there. Is this possible? This is for an area of the board that will be in contact with the case, so GND vias are fine (and indeed desirable) but anything else presents a shorting risk. There are other occasions where an exception to a keepout would be useful so any ideas would be much appreciated.

Thanks

Iain

(not Lain)

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steve over 9 years ago

Sort of - take a look at:- http://orcad.co.uk/images/PDF/net_areas.pdf
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steve over 9 years ago

Sort of - take a look at:- http://orcad.co.uk/images/PDF/net_areas.pdf
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