Magneto-optical recording medium utilizing magnetostatic couplin

Details Magneto-optical recording medium utilizing magnetostatic couplin Magneto-optical recording medium utilizing magnetostatic couplin

1996-07-16

1999-11-02

Kiliman, Leszek

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Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428156, 428163, 428164, 428694ML, 428694MT, 428694MM, 428694EC, 428694IS, 428900, 369 13, G11B 566

Patent

active

059766670

ABSTRACT:
A magneto-optical recording medium includes at least a reproduction layer and a memory layer on a substrate on which a groove and a land is formed. Information is reproduced from the magneto-optical recording medium by transferring magnetization information recorded in the memory layer to the reproduction layer by magnetostatic coupling. Prior to recording of information, the magneto-optical recording medium is initialized such that a magnetization of the memory layer on the land is aligned in one direction and a magnetization of the memory layer on the groove is aligned in a direction opposite to the one direction.

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