Magneto-optical recording medium with magnetic film having large

Details Magneto-optical recording medium with magnetic film having large Magneto-optical recording medium with magnetic film having large

1996-09-09

1999-03-02

Simmons, David A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428928, 428469, 428693, 428694DE, 428694RE, 428694RL, 428694MM, 369286, 369288, H01F 100, G11B 724

Patent

active

058768580

ABSTRACT:
A magneto-optical recording medium improved in reproduction stability and carrier-to-noise ratio by enlarging the magnetic anisotropy of a magnetic film. The magneto-optical recording medium is composed of a transparent substrate, a first dielectric film laminated on the transparent substrate, a magnetic film laminated on the first dielectric film, and a second dielectric film laminated on the magnetic film. The second dielectric film is formed from a material different from a material of the first dielectric film, and has film stress different from film stress of the first dielectric film. Accordingly, the coercive force and the magnetic anisotropy of the magnetic film can be enlarged.

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patent: 5623458 (1997-04-01), Matsumoto et al.
patent: 5663936 (1997-09-01), Tanaka et al.

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