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
>

Hi,

One option is to use excimer laser micro-machining. If you have access
to an argon fluoride laser (193 nm) the glass will machine by ablation.
You should be able to machine features on the 10 micron scale without
too much difficulty and the surface finish is reasonable.

Regards,

Richard

...................................................

Richard Winfield
Advanced Materials and Technologies Group
NMRC
Lee Maltings
Prospect Row
Cork
Ireland

Tel     +353 21 904377
Fax     +353 21 270271
Email   winfield@nmrc.ucc.ie