Magneto-optical recording medium and recording and reading out p

Details Magneto-optical recording medium and recording and reading out p Magneto-optical recording medium and recording and reading out p

1992-11-30

1998-10-13

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694RE, 428694MM, 428694EC, 428900, 369 13, 365122, G11B 566

Patent

active

058210040

ABSTRACT:
A magneto-optical recording medium having a recording layer which has a first magnetic film, a second magnetic film and a third magnetic film in this order from a laser beam incident side, in which the second magnetic film has a perpendicular anisotropy in a temperature range from room temperature to a Curie temperature, the first magnetic film has an in-plane anisotropy when there is no temperature increase by the irradiation of a laser beam or a perpendicular anisotropy when the temperature is raised by the irradiation of the laser beam, and an exchange coupled force is present between the first magnetic film and the second magnetic film.

REFERENCES:
patent: 5132945 (1992-07-01), Osato et al.
patent: 5278810 (1994-01-01), Takahashi et al.

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