RIE with SF6 etches si much faster that it etches SiO2. Good luck, Hongjun Zeng, Ph.D Microfabrication Applications Laboratory (MAL) University of Illinois at Chicago ERF Building, 842 W. Taylor Street Chicago, IL 60607-7022 Room 3014 ERF Tel.: 312-413-5889, Fax: 312-996-6465 -----Original Message----- From: mems-talk-bounces@memsnet.org [mailto:mems-talk-bounces@memsnet.org]On Behalf Of Patrick Carlberg Sent: Monday, November 25, 2002 8:48 AM To: mems-talk@memsnet.org Subject: [mems-talk] Etching Si with SiO2 as mask Dear all I am interesseted in etching Si with SiO2 as an etch mask. Does anyone know of a dry or wet etch that can be used? All comments are highly apriciated Patrick _______________________________________________ MEMS-talk@memsnet.org mailing list: to unsubscribe or change your list options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk Hosted by the MEMS Exchange, providers of MEMS processing services. Visit us at http://www.memsnet.org/