Magneto-optical recording medium

Details Magneto-optical recording medium Magneto-optical recording medium

G - Physics

11

B

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

Patent

CA 2073320

A magneto-optical medium has a substrate through which a light beam is transmitted and a recording- reproduction layer. The recording-reproduction layer, which exhibits an in-plane magnetization characteristic at the first temperature while still containing magnetization components in the perpendicular direction corresponding to information, comes to exhibit a perpendicular magnetization characteristic above the second temperature higher than the first temperature. In this magneto-optical recording medium, information is reproduced by utilizing a temperature distribution of the recording-reproduction layer being subjected to irradiation of a light beam and by raising the temperature of a portion within a light spot of the light beam from the first temperature to the second temperature.

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