Multistate optical switching and memory apparatus using an ampho

Details Multistate optical switching and memory apparatus using an ampho Multistate optical switching and memory apparatus using an ampho

1987-04-07

1989-04-25

Shah, Mukund J.

Static information storage and retrieval

Radiant energy

Amorphous

365114, 365118, 430495, G11C 1300, G11B 370, G03C 100, G03C 300

Patent

active

048254088

ABSTRACT:
The charge transfer apparatus of the present invention comprises an optical storage medium of either a mixture of several charge transfer compounds of varying redox potential or a single amphoteric organic charge transfer compound capable of undergoing a multistage charge transfer reaction, and a source of optical energy, typically a laser. When the optical energy illuminates a spot on the optical storage medium, the spot switches to one of a plurality of optically detectable states.

REFERENCES:
patent: 4470053 (1984-09-01), Maffitt et al.
patent: 4613519 (1986-09-01), Yacobi
patent: 4647944 (1987-03-01), Gravesteijn et al.
patent: 4663270 (1987-05-01), Potember et al.
patent: 4719594 (1988-01-01), Young et al.

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