Dear Amith

In case you have not heard any reply, we used to use sodium silicate
solutions from PQ corp
http://www.pq.com/

Although the exact weight percents aren't the same, D brand has the same
SiO2/Na2O ratio (2.0) as what you're looking for.

http://www.pqcorp.com/productlines/SodiumSilicateSpecs.asp

Regards,

Chris Blanford

On Tuesday, July 23, 2002, at 07:18  pm, amith wrote:

> Hi mems gurus,
>   Iam looking for bonding the wafer with sodium silicate
> solution(Na2.2SiO2). Its composition is SiO2:36 wt.%; Na2O:18 wt%.
> Can any one recommend a company to get this product from.
>  Thanking you,
>  regards,
>  Amith K Arigapudi
--
Christopher F. Blanford
Inorganic Chemistry Laboratory, South Parks Road, Oxford, OX1 3QR, UK
Phone: (44)/(0)-1865-282603; Fax: (44)/(0)-1865-272690
PGP keyID: 8D830BC9  http://pgp.mit.edu/