Seems to me that a technique involving a transparent negative acting chemically enhanced photoresist using several coating layers, coupled with the electroplating of a suitable material like copper would be a way to go Gary Hillman Service Support Specialties, Inc. 9 Mars Court PO Box 365 Montville, NJ 07045 973-263-0640 973-263-8888. -----Original Message----- From: Eddie Blackwell [SMTP:epblackwell@hotmail.com] Sent: Thursday, February 19, 2004 4:42 PM To: General MEMS discussion Subject: Re: [mems-talk] Metal posts with high aspect ratio << File: ATT00030.txt; charset = iso-2022-jp >>