You should look into PMGI SF 19 from I believe Microchem. It is used for
microlenses as you can reflow it. I do not know exactly up till what
temp it's stable in air though as it is an organic material.

Regards,

Jobert van Eisden

SUNY Albany

-----Original Message-----
From: mems-talk-bounces@memsnet.org
[mailto:mems-talk-bounces@memsnet.org] On Behalf Of Viswanadam, Gautham
Sent: Thursday, July 28, 2005 11:19 PM
To: mems-talk@memsnet.org
Subject: [mems-talk] Low Refractive Index Optical adhesive material


I am looking for a low refractive index epoxy and or glue for some
of my optical device applications. This material is required to have a
good heat resistance upto 250C and a good processability for spin
coating,

bonding etc. Can some one help!  Would be happy to receive a response
from

material suppliers.  Best Regards. GV. Please respond to
gvis03@yahoo.com
if possible.