Magneto-optical recording medium

Details Magneto-optical recording medium Magneto-optical recording medium

1989-06-21

1991-02-12

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428668, 428678, 428928, 369288, G11B 724, G11B 1114

Patent

active

049923366

ABSTRACT:
A magneto-optical recording medium is disclosed, comprising a substrate having thereon a recording layer comprising laminated thin films of rare earth metals and transition metals, wherein said recording layer has a structure such that a unit of laminated thin films is periodically laminated in the thickness direction of the recording layer, and each unit of said laminated thin films is composed of at least four thin films and includes a thin film of a rare earth metal having disposed adjacent to both surfaces of the thin film of the rare earth metal a thin film of a transition metal as the upper and lower layers.

REFERENCES:
patent: 4293621 (1981-10-01), Togami
patent: 4489139 (1984-12-01), Ohta et al.
patent: 4576699 (1986-03-01), Sato et al.
patent: 4670356 (1987-06-01), Sato et al.
patent: 4717628 (1988-01-01), Takahashi et al.
patent: 4727005 (1988-02-01), Sato
patent: 4789606 (1988-12-01), Yamada et al.
patent: 4837118 (1989-06-01), Yamamoto et al.

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