Bullen Ultrasonics, Inc. offers the service of drilling holes in glass.  We
can supply the 7740 or drill your material.

Mary Moreland
(937)456-7133  ext. 525
FAX (937)456-2779


-----Original Message-----
From: arvind tiwari 
To: MEMS@ISI.EDU 
Date: Saturday, January 23, 1999 9:47 PM
Subject: chromium lift-off from pyrex glass, etching in 1:1 HF


I'm interested in getting holes etched in 7740 pyrex glass.With Cr
deposition using magnetron sputtering, I find that Cr film lifts off
after one or one and half hour of etching in 1:1 HF.

ARVIND
CARE,IITD
INDIA
e-mail add: tiwariarvind@hotmail.com

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