Magneto-optical recording medium and process for producing the s

Details Magneto-optical recording medium and process for producing the s Magneto-optical recording medium and process for producing the s

1997-01-10

1998-07-21

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694EC, 428694MM, 428694RE, 428655, 428678, 428900, 427129, 427130, 427131, 427132, 369 13, 365172, 360 59, G11B 566

Patent

active

057833206

ABSTRACT:
Disclosed is a magneto-optical recording medium which comprises a transparent substrate and, provided on the substrate, a magneto-optical recording film comprising a perpendicular magnetic film based on rare earth metal-transition metal and an auxiliary magnetic film having spontaneous magnetization which exerts, between itself and the magneto-optical recording film, an exchange coupling force on each other and in which the auxiliary magnetic film used is a magnetic film which readily rotates its magnetization direction toward the external magnetic field in the neighborhood of the Curie temperature of the magneto-optical recording film and has a squareness ratio of not more than 1 in the neighborhood of the Curie temperature, and a process for producing the magneto-optical recording medium.

REFERENCES:
patent: 5637411 (1997-06-01), Shimazaki

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