Wafer shipping cassettes are NOT Teflon nor acid resistant. -----Original Message----- >From: Nikhil Sheth>Sent: Feb 11, 2011 1:39 PM >To: mems-talk@memsnet.org >Subject: [mems-talk] SoI wafer holders > >Hi, > >I bought few SOI wafers from UltraSil. They have come in one white colored >cassette like a wafer holder with slots. I am wondering if that wafer holder >is Teflon coated or acid resistant. Can anyone tell me how to identify >that? > >Thank you, > >Nikhil Sheth Kmbh Technologies kmbh-silicon@earthlink.net 47 Rocket Circle Rancho Cordova, CA USA 95742 Phone +1 510-714-5055 FAX+1 510-217 4421 Standard and Specialty CZ and FZ Silicon, Glass and other wafers.