Try Foturan photoetchable glass from Schott.
http://us.edit.schott.net/tgd/english/products/foturan.html

****************************************
Karl Cazzini (Ph.D)
Senior Scientist
Alcon Research Ltd.

79 Nicholas Road,  Suite I
Framingham MA 01701

Tel: +(508) 877 0264
cell: +(508) 726 2544
email (priv.): karlcazzini@rcn.com
email (work): karl.cazzini@alconlabs.com

****************************************

----- Original Message -----
From: "Sarah Schwab" 
To: 
Sent: Friday, January 24, 2003 5:38 PM
Subject: [mems-talk] Photo-definable glass


> Hello there
> I am looking for some information on photo-definable glass.
> Could anyone please help me with the following:
>
> Suppliers?
> Approx cost per wafer 4" diameter - sample quantities?
> Minimum thickness?
>
> Many thanks
> Sarah
>
>
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