Dhanamjaya-- See the this paper http://microlab.berkeley.edu/labmanual/chap1/JMEMSEtchRates1(1996).pdf in which etch rates and containers are discusses. --Kirt Williams ----- Original Message ----- From: "Dhanamjaya R Guda"To: Sent: Tuesday, June 15, 2004 11:34 AM Subject: [mems-talk] Container for KOH etching > I have a question regarding the SiO2 etching which I am planning to use as > the mask. > I want to use BOE as the etchant.Does any one have any particular idea > about the etch rate of SiO2 in BOE ( what would be the concentration > profile). and > what conatiner can i use for etching of Silicon using KOH. > I would really appriciate if any one go a head and answer to these > questions. > > Thanks, > Dhanamjaya Reddy Guda > Louisiana State University, > Department of Mechanical Engineering > Ph.No: 225-578-4412