Transene Aluminum Etch Type D will etch aluminum without attacking your nickel/titanium underlayers. Please visit our website, www.transene.com, or contact me directly. Christopher Christuk Transene Company Tel: 978 777 7860 Email: Christopher@transene.com -----Original Message----- From: Sagi Daren [mailto:sagi.daren@el-mul.com] Sent: Tuesday, September 09, 2003 3:31 AM To: mems-talk@memsnet.org Subject: [mems-talk] Al etch Hi All I am looking for an Aluminum etchant which is highly selective for Nickel/Titanium films which lay beneath. Have tried some NaOH solutions but they didn't do the work. Thank you all for your help S. Daren Sagi Daren Senior R&D Engineer El-Mul Technologies Tel.:972-8-9434184 #43 Sagi.daren@el-mul.com