Hi: Check the paper by T.W. Lee on Silicon Etching, he has some details on this issue. Also he has complied all the etch recipes for Silicon in this paper. Jayant ***************************************** Jayant Neogi Vice President & Chief Technical Officer Ph# 503-640-0586 Fax 503-640-8117 http://www.norsam.com ***************************************** Kavita Chandra wrote: > > Does anybody has any information on a > software that simulates KOH/EDP etch of > silicon..(basically to get information > on issues like corner compensation, > under-cut). > > Thanks, > > Kavita Chandra > --