I would also think it is the temperature PDMS is exposed to. Try reducing
the power and sputter films at low rate.
I think it is worth a try.

Regards,
Pavan

On Thu, Jun 4, 2009 at 10:34 AM, Barbara Cortese  wrote:

> Your gold is too thick, try to reduce it, say more than 50%.
>
> > The thickness of chrome was around 10nm and gold was around 100nm.
> >
> > Regards,
> > Nidhi