it's hard to see PDMS..

as a matter of fact on all dielectric material..


On Wed, 3 Aug 2005 csh@u.washington.edu wrote:

> Hello,
>
> I'm having difficulty taking SEM for PDMS.
> I coat a thin layer of gold about 150A on PDMS.
> However the SEM resolution is so low for some reason. I took the SEM for the
> master, which is photoresist. I can see 0.25um feature. However for PDMS, the
> image is blur even for 10um feature. I am just wondering if I miss something.
> Or it just hard to see PDMS.