The thickness may be a problem; nonetheless, try:
1) Polishing Corp. of America
430 Martin Ave.
Santa Clara, CA 800-672-0060 408-988-6000
[email protected]
[fast turnaround; quality has not met our standards]
2) Okmetic, Ltd., Espoo, Finland
358-0-502-800
3) Semiconductor Processing Co.
12 Channel St. Suite 702
Boston, MA 02210
617-345-9936
--
Albert K. Henning, Ph.D. 415/617-0854 (Office)
Redwood Microsystems 415/326-9217 (FAX)
1020 Hamilton Avenue [email protected]
Menlo Park, CA 94025 http://www.redwoodmicro.com