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leHiStretch automatically widens metal width in ICADVM20.1-64b.500.32

Greetings!

We encountered a bizarre case in Virtuoso ICADVM20.1-64b.500.32 Layout-XL, where stretching a M1/drawing pathSeg automatically widens its width in interactive mode..

Not happening to other metal layers, not happening to path objType..

Not happening to other prior ICADV versions either.

Any clues where to look?

Much appreciated!

-D.

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Andrew Beckett over 2 years ago

Is the pathSeg narrower than the minWidth? If so, this will happen in version after IC6.1.8/ICADVM18.1 ISR2. From ISR19 there's an environment variable to control this:

envSetVal("we" "enforceStretchWidthConstraints" 'boolean nil)

See How to let Stretch command ignore minWidth or maxWidth constraint inside techlib

Andrew
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Dynamic Duo over 2 years ago in reply to Andrew Beckett

It worked beautifully, Andrew. Thanks much for the help! -Duo
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Dynamic Duo over 2 years ago in reply to Andrew Beckett

It worked beautifully, Andrew. Thanks much for the help! -Duo
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