We are experimenting with Dupont's PYRALIN 2721 thick photosensitive spin-on
polyimide film and are having problems getting good results. We do not have a
spin development system, and most of the technical info is for spin
development. Does anyone have experience with this product using immersion
development techniques?

Thanks,
Kevin
--
Dr. Kevin M. Walsh
Electrical Engineering Department, Speed Scientific School
University of Louisville, Louisville, KY 40292
(502) 852-0826

Internet address: [email protected]