It is possible to micromachine Corning 7740 by ion milling, but you cannot
machine deeper than a few microns.  The resolution can be better than a
micron.  The surface finish is not ideal as there is a little surface
roughening.  We can do it for you for a price, or you can try it yourself.

Aizpurua, Mikel wrote:

>         Hi Everyone
>
>         I am interested in finding out a way of how to micromachine Corning
> 7740.
>
>         Thank you in advanced
>
>         Mikel Aizpurua
>
>
>
>



--
John R. Karpinsky  ---  Chief Physicist
MEMS Optical, Inc., 205 Import Circle, Huntsville, AL 35806
Tel: 205-859-1886  Fax: 205-859-5890  Email: johnk@memsoptical.com