Avinash,

The following companies have many different kinds of polyimide.

OCG Microelectronic Materials Incorporated, 401-438-7805

Dow Chemical Company, and

HD MicroSystems, 1-800-346-5656, or Joe Butera:610-869-0834

Good Luck,

Jamie Yao

At 09:11 AM 1/28/99 -0800, you wrote:
>     Hello,
>
>     I need some information on how to obtain spin-on polyimides
>     (vendors, manufacturers, etc). I am looking to deposit
>     5-15 micron thick films.
>
>     Also, does anyone have any experience with via formation in
>     polyimides using the laser ablation technique. I need to
>     fabricate vias with tapered sidewalls (i.e., top via pad
>     is larger than bottom via pad)...
>
>     Thanks for your help,
>
>     Avinash Kane
>     Raytheon Systems Company
>     askane@west.raytheon.com
>
>
>