Hi Nidhi,
PDMS is an elastic material so thick layers will have some stress and will not
result uniform but you will have what you see. That's the main reason for using
e-beam evaporation.
you should reduce the layer thickness you're depositing.
> On Mon, Jun 1, 2009 at 12:08 AM, nidhi maheshwari wrote:
>
> Dear All,
>
> For some of my experiments I need to have metal patterns onto PDMS. I
> have gone through the litreature available on net and found that
> plasma oxidation followed by e-beam evaporation of metals form stable
> metal films. As we dont have an e-beam system for evaporation of gold.
> I tried depositing Chrome-Gold layers by sputter after plasma
> oxidation of PDMS. What I obtained was buckled metal layers. Can
> anyone please suggest some method to get rid of the buckling/ waves
> formed.
>
> Regards,
> Nidhi Maheshwari
> IIT Bombay