This is a multi-part message in MIME format. --------------6216FD0038A8BEFB316930B1 Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 7bit Thank you for the replies regarding masks for KOH etchant. I also forgot to mention in may first posting that I am trying to stay away from the standard processes based on oxide or nitride masks. Nickolay -- Nickolay Lavrik University of Tennessee Department of Chemistry 420 Buehler Hall Ph.(865) 974-6174 --------------6216FD0038A8BEFB316930B1 Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline Received: from SpoolDir by UTK_CHEM (Mercury 1.47); 11 Apr 00 18:03:27 EST Return-path:Received: from saaz.memsoptical.com (216.180.49.2) by novell.chem.utk.edu (Mercury 1.47); 11 Apr 00 18:03:16 EST Received: from michael by saaz.memsoptical.com via SMTP (940816.SGI.8.6.9/940406.SGI) for id RAA03390; Tue, 11 Apr 2000 17:02:26 -0500 Message-ID: <023901bfa401$b982e8b0$1a31b4d8@memsoptical.com> Reply-To: "Michael Whitley" From: "Michael Whitley" To: "Nickolay Lavrik" References: <10004111803.AA06849@k2.isi.edu> Subject: Re: photoresist for KOH etching Date: Tue, 11 Apr 2000 17:03:09 -0500 Organization: MEMS Optical, LLC MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 X-Mozilla-Status2: 00000000 You'll probably have to use silicon nitride or silicon dioxide to mask the KOH etch. Nitride is the best, but oxide will serve well if it is thick enough. There should be plenty of information in the literature. ----- Original Message ----- From: Nickolay Lavrik To: Sent: Monday, April 03, 2000 11:48 AM Subject: photoresist for KOH etching > Any information on photoresists that reliably protect Si during deep KOH > etching will be highly appreciated. > > > -- > Nickolay Lavrik > > University of Tennessee > Department of Chemistry > 420 Buehler Hall > > Ph.(865) 974-6174 > > > > --------------6216FD0038A8BEFB316930B1--