You may contact the company, Bullen Ultrasonics. Their homepage is, http://www.bullen-ultrasonics.com/ Chialun wrote: > This is a multi-part message in MIME format. > > ------=_NextPart_000_00B4_01BE6AE0.FC91E170 > Content-Type: text/plain; > charset="iso-8859-1" > Content-Transfer-Encoding: quoted-printable > > MEMS Discussion Group, > I am in search of a prototype manufacturing source for drilling = > micro-vias on glass wafers. Laser drilling or sand blasting seems like = > good candidates. I need holes of diameter of about 150 micrometers on a = > 7740 glass wafer. Any help would be greatly appreciated. > > Chia-Lun Tsai, Ph.D. > Research Scientist > Integrated Sensing Systems, Inc. > 387 Airport Industrial Dr.=20 > Ypsilanti, MI 48198 > Phone: (734) 547-9896, Ext.115 > Fax: (734) 547-9964 > Email: chialun@mems-issys.com > http://www.mems-issys.com/ > -- Sincerely, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Hyoung J. Cho choh@email.uc.edu Center for Microelectronic Sensors and MEMS 391 ERC, Electrical Engineering Dept. Univ. of Cincinnati Cincinnati OH 45221-0030 Fax (513) 556-7326/7405 Phone (513) 556-4795/1997 <<< (OO) (_ 3_) oo0 Imagine and Create! [ ] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~