Use Su-8 and make the PDMS stamp off of it.
> I have been atempting to make a microfluidic structure out of SU-8 and
> just
> this week I was going to try working with that same line of PDMS instead,
> so if
> anyone has any literature or technique suggestions for spinning and
> processing
> PDMS structures (mine will be approx 50 microns thick), I would appreciate
> it
> as well.
>