Optical information recording device

Details Optical information recording device Optical information recording device

1985-12-03

1988-09-20

Faber, Alan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 13, 369111, 369286, 369284, 365122, G11B 1100

Patent

active

047730609

ABSTRACT:
A film of a crystal - crystal phase transformation type optical recording alloy is formed on an insulating substrate. Information is erased from the alloy film by heating it with an expedient other than a laser beam. Information is read by sensing reflected light of light projected on the alloy film.

REFERENCES:
patent: 4219927 (1980-09-01), Tukutomi
patent: 4550346 (1985-10-01), Hatano
patent: 4629649 (1986-12-01), Osaka
patent: 4677601 (1987-06-01), Ohta
National Technical Report, vol. 29, No. 5 (1983).

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