This is a multi-part message in MIME format. --------------883011E0BF1AC55C1F0A567F Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dear Colleagues, Over time I've been a member of the group and have noticed how many people come to the rescue for those in need of help. Well, now it's my turn and I'm hoping someone out there can help me out with advice to any or all questions. Thanks in advance for your help. Q1. What is the preferred formulation for etching polycrystalline silicon prior to metallization? Q2. What is the ratio of acid etchants (HF, nitric, acetic acid) for removing the oxide from silicon? Q3. What are the preferred formulation for etchant for silicon dioxide? Thanks again for the advice. --------------883011E0BF1AC55C1F0A567F Content-Type: text/x-vcard; charset=us-ascii; name="webmaster.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Argonide Nanomaterials Content-Disposition: attachment; filename="webmaster.vcf" begin:vcard n:Prorok;Cindi tel;fax:(407) 322-1144 tel;work:(407) 322-2500 x-mozilla-html:FALSE url:http://www.argonide.com org:Argonide Nanomaterials Group adr:;;;Sanford;FL;32771;USA version:2.1 email;internet:webmaster@argonide.com title:Corporate Sales Div. fn:Webmaster end:vcard --------------883011E0BF1AC55C1F0A567F--