Alaeddin, +/- 22 degrees around the vertical is easy.  This is used typically
with image reversal for metal lift off profiles.  It sounds like you are asking
for +/- 89 degrees around the vertical.  Best of luck.  Bill Moffat

-----Original Message-----
From: [email protected] [mailto:mems-
[email protected]] On Behalf Of alaa melhem
Sent: Tuesday, July 17, 2012 12:03 PM
To: [email protected]
Subject: [mems-talk] Slope feature!!

Hi There,

Is it possible to apply gray scale lithography on metal material like copper? I
would appreciate if anyone tried that and would I get a thickness slope ending
with some nanometers?

Looking forward to get feedback.

Thank you,
Alaeddin
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