Erasable optical information storage system. Epstein, Arthur J.; Ginder, John M.; McCall, Richard P. (Ohio State University Research Foundation, USA). PCT Int. Appl., 29 pp. CODEN: PIXXD2. WO 9009661 A1 900823. Designated States: W: CA, JP, KR. Patent written in English. Application: WO 90-US646 900201. Priority: US 89-305872 890202 CAN 114:153949

Abstract

An erasable optical information storage material comprises a rotating optical disk composed of polyaniline and 3 laser systems for writing, reading, and erasing. The material can be used to form 3-dimensional hotog. grating. The polyaniline may be formed from aniline derivs.