Transene Company offers Transene Silver Etchant TFS for etching silver
in semiconductor, IC, and MEMS applications.  Silver Etchant TFS is a
non-hazardous etchant manufactured using SEMI grade raw materials and
filtered to 1 micron.

Christopher Christuk
Transene Company
10 Electronics Avenue
Danvers MA  01923
Tel:  978 777 7860
Fax:  978 739 5640
Email:  [email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Tuesday, April 22, 2003 12:15 PM
To: [email protected]
Subject: [mems-talk] RE: silver enchant reply






Try these:

a) 2 M ferric Nitrate
b) 4 oz Chromium trioxide (Chromic acid) + 20 ml Sulfuric acid + 2000ml
water

Bob Forman
Shipley EIF Semiconductor  Advanced Packaging
425/785-9817
[email protected]