Recording method for magneto-optic memory medium

Details Recording method for magneto-optic memory medium Recording method for magneto-optic memory medium

G - Physics

11

B

352/33.3

G11B 11/10 (2006.01) G11B 11/105 (2006.01)

Patent

CA 2033687

A recording method for a magneto-optic memory medium of an exchange-coupled type having a recording layer with a low Curie point and a high coercive force and a reading layer with a high Curie point and a low coercive force, which comprises the steps of applying a magnetic field to the magneto-optic memory medium to develop predetermined data in the reading layer, and then applying both an optical beam and a magnetic field to the magneto-optic memory medium for writing the predetermined data in the recording layer. The data is simultaneously verified on the basis of a Kerr effect of the optical beam caused by the reading layer.

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