Try sputtering.

--- [email protected] wrote:
>
> Hi all,
>
> I am trying to deposit Au layer on the surface of a
> microchannel, both the
> walls and the bottom.  However, by evaporation the
> gold only deposits at the
> bottom surface;  the walls of the channel are not
> covered.  I am wondering if
> someone has experience solving this problem.
>
> Thanks alot!
>
> Zhiyu
>
>
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