Magneto-optical recording medium

Details Magneto-optical recording medium Magneto-optical recording medium

1988-08-11

1990-01-30

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

365122, 369 13, 428900, G11B 566, G11B 1100, G11C 1306

Patent

active

048973203

ABSTRACT:
A magneto-optical recording medium comprises a recording layer formed of a magnetic material, and a protective layer composed of a combination of a dielectric material with a rare earth metal exhibiting a high oxygen absorptivity and formed on the recording layer by a simultaneous sputtering or a simultaneous deposition process, whereby free oxygen given rise to in the course of sputtering or deposition is absorbed on the protective layer side before being absorbed on the recording layer side.

REFERENCES:
patent: 4664977 (1987-05-01), Osato et al.
patent: 4666789 (1987-05-01), Gueugnon et al.
patent: 4675767 (1987-06-01), Osato et al.
patent: 4683176 (1987-07-01), Nakamura et al.

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