That's Aqua Regia. One metal that is not etched by this combination is
Chrome.
David Nemeth
Senior Process Engineer
Sophia Wireless, Inc.
14225-C Sullyfield Circle
Chantilly, VA
Ph: (703) 961-9573 x206
Fax:(703) 961-9576
-----Original Message-----
From: mems-talk-admin@memsnet.org [mailto:mems-talk-admin@memsnet.org]On
Behalf Of Rivas, Isabel
Sent: Thursday, January 24, 2002 11:26 AM
To: 'mems-talk@memsnet.org'
Subject: [mems-talk] metal resistant to HCl:HNO3
Hello,
Could anyone tell me a metal which resists this etchant: HCl:HNO3 (8:1)?
Thank you very much
Isabel.
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