J.  Alumina is really pretty chemically resistant.  The only thing that I
think will touch it is HF and then VERY slowly.  Gary

-----Original Message-----
From: mems-talk-bounces@memsnet.org
[mailto:mems-talk-bounces@memsnet.org]On Behalf Of jpt sharma
Sent: Wednesday, October 10, 2007 11:57 AM
To: mems-talk@memsnet.org
Subject: [mems-talk] Al2O3


I am looking for the AL2O3 wet etch chemical. Can anyone suggest me the
chemical and vendor?