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From: Philippe Pouliquen (philippe AT alpha DOT ece.jhu.edu)
Date: Mon Feb 10 2003 - 14:44:04 EST

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    On Mon, 10 Feb 2003, Jeff Sondeen wrote:

>  > edge4way green ~(brown,green)/plane 2 ~(brown)/plane green 1 "Error"
>  > edge4way brown ~(green,brown)/plane 2 ~(green)/plane brown 1 "Error"
>
> these are a nice pair of rules.
>
>  > This is the type of rule needed to ensure that the auto-generated select
>  > masks around diffusion/ohmic don't overlap.  Jeff handles it differently,
>  > but I'm trying to make the rules behave similarly in Magic, Cadence and
>  > L-Edit (so that I don't confuse the poor poor Freshmen and Sophomores that
>  > are taking my Intro to VLSI class).
>
> so you'll need spacing between unequal (p vrs. n), non-touching
> actives >= 2* select overlap, right ?
>

Yes: spacing green brown 4 touching_ok "Error"

Philippe Pouliquen

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