One way to do this is to send your samples to a laser job shop. You can use 193 nm excimers to machine glass nicely. One company is JPSA Laser in New Hapshire, 603-595-7048 -Mike >>> dleeli@hotmail.com 02/19/02 09:26AM >>> I need to drill diameter 100um in thick glass wafer(thickness is from 1mm to 3mm). would you like to help me to figure out some way or which company can do that? thanks for your any information Dlee Research Asistant Mechanical Engineering Department University of Texas At Austin, TX _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx _______________________________________________ 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.mems-exchange.org/