Try drilling holes through the wafer the you will have the same alignment
points on both sides
-----Original Message-----
From: Martin O. Patton [mailto:[email protected]]
Sent: Tuesday, February 19, 2002 7:33 AM
To: [email protected]
Subject: [mems-talk] Is there a way to align two sides of wafer
Dear Mems group,
I have a single side mask aligner. Is there a method by which this aligner
can be used to align features on both sides of the wafer?
Thanks for your assistance.
Marty
Martin O. Patton
Senior Research Engineer
Essential Research Incorporated
6410 Eastland Road
Cleveland, Ohio 44142
www.er.com
(440) 816-9850
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