Check the transmission curve for different types of glass and pick one
that passes the wavelength your photoresist is sensitive to. I just use
a large slide (soda lime glass) and it works fine for me.

-Joe Grogan

Rupesh Sawant wrote:
> i was wondering as to what kind of glass should I use to stick my
> transparency mask on?. Especially when I am transfering the pattern on
> a soda lime glass substrate.
>