We have hydrophobised glass this way, occasionally with much success (up to
102 degrees water contact angle).  Trouble is, silanes are extremely
moisture-sensitive, so making the process reproducible might be more
expensive than getting Cytop from Asahi Glass and spin-coating with that.

Good luck.

Alex Shenderov
MCNC and Nanolytics Inc.

-----Original Message-----
From: mems-talk-admin@memsnet.org [mailto:mems-talk-admin@memsnet.org]On
Behalf Of Satej Chaudhary
Sent: Tuesday, February 19, 2002 11:13 AM
To: mems-talk@memsnet.org
Subject: [mems-talk] Hydrophobic surfaces


hello,

Could someone suggest a way to make a glass surface as
hydrophobic like teflon? Teflon spin coating is too
expensive. Has any body had success with chloro/fluoro
organic polysiloxanes or silanes? I need a film that
dosnt get too thick (a few ten Angstroms)

Thankyou
Satej Chaudhary
Grad student
University of Maryland
Yahoo! Sports - Coverage of the 2002 Olympic Games
http://sports.yahoo.com
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