I think I've read about the use of phosphoric acid but I'm not sure if
that also only applies to soda lime glass. Might be worth looking into?

/mikael

-----Original Message-----
From: mems-talk-bounces@memsnet.org [mailto:mems-talk-bounces@memsnet.org]
On Behalf Of RS Forman
Sent: Wednesday, January 13, 2010 12:19 PM
To: mems-talk@memsnet.org
Subject: [mems-talk] roughening boro glass surface

I am looking for a wet chemical formula that will roughen borosilicate
glass.  I have used HF + biflorides to get a very frosty surface on soda
lime glass, but cannot get the same effect on borosilicate glass.. any
ideas?

Thanks,  Robert