Dear Avi,

MOXTEK makes x-ray windows by etching channels completely
through the wafer.  This leaves ribs 50 microns wide
and 330 microns deep.  Does this sound like the kind
of technology you could use?

best regards
mark

Mark W. Lund, PhD
Director             >> Soft X-ray Web page http://www.moxtek.com<<
MOXTEK, Inc.
452 West 1260 North
Orem UT 84057       801-225-0930        FAX 801-221-1121
lundm@xray.byu.edu

"The state is good at simple tasks, like killing people and seizing their
wealth.  It has far more trouble reaching inside individuals and making them
good." Doug Bandow