Aslam,
THe films aren't attacked but will many times be undercut - depending on
the substrate and deposition process.

Shay

aslam muhammad wrote:

> Hi everbody
>  I need a small information as experts openion plz.
>
> What is the effect of TMAH 25% at 80-90C on chromium
> layer and on polyimide membrane ( cured at 350 c).
>
> Needs ur experienced openion.
>
> Good luck for all
>
> M. Aslam
> Yahoo! - Official partner of 2002 FIFA World Cup
> http://fifaworldcup.yahoo.com
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