Optical information memory medium recording and erasing informat

Details Optical information memory medium recording and erasing informat Optical information memory medium recording and erasing informat

1991-04-04

1991-12-10

Gossage, Glenn

Static information storage and retrieval

Radiant energy

365113, 365114, 365215, 365163, 346 76L, 346137, 369284, 430495, 430945, G11C 1304

Patent

active

050724231

ABSTRACT:
Recording and erasing optical information can be done by using an alloy film capable of forming two stable crystalline states differing in crystal texture and optical characteristics by being irradiated with optical energies under different conditions. The thin memory film preferably includes not more than 60 atom % of Gallium (Ga) and not less than 40 atom % of Antimony (Sb).

REFERENCES:
patent: 3271591 (1966-09-01), Ovshinsky
patent: 3868651 (1975-02-01), Ovshinsky
patent: 4237468 (1980-12-01), Nahara et al.
patent: 4373004 (1983-02-01), Asano et al.
patent: 4460636 (1984-07-01), Watanabe
patent: 4653024 (1987-03-01), Young et al.

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