Optical-magnetic recording medium

Details Optical-magnetic recording medium Optical-magnetic recording medium

1987-06-29

1988-10-04

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

428696, 428697, 428698, 428704, 428900, G11B 724

Patent

active

047756039

ABSTRACT:
An optical-magnetic recording medium utilizing a recording layer of an amorphous rare-earth-transition metal alloy so as to rely on the Kerr effect. An enhancing layer of ZnS and a fluoride of an alkaline-earth metal (preferably CaF.sub.2) is deposited on a grooved substrate and the recording layer deposited thereover to both enhance the Kerr effect and prevent peeling.

REFERENCES:
patent: 3883214 (1975-03-01), Hoffman
patent: 3934961 (1976-01-01), Itoh et al.
patent: 4370391 (1983-01-01), Mori et al.
patent: 4450201 (1984-05-01), Brill et al.
patent: 4499178 (1985-02-01), Wada et al.
patent: 4649451 (1987-03-01), Tomita

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