Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Patent
1997-03-21
1999-01-19
Neyzari, Ali
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
369116, 428694EC, G11B 1100
Patent
active
058621059
ABSTRACT:
A magneto-optical recording medium includes a substrate, a reproducing layer formed on the substrate, a recording layer formed on the reproducing layer, and an intermediate layer formed between the reproducing layer and the recording layer. The reproducing layer has an in-plane magnetization film at room temperature. The recording layer has a Curie temperature lower than that of the reproducing layer. The intermediate layer has a Curie temperature lower than those of the reproducing layer and the recording layer. The reproducing layer changes to a perpendicular magnetization film at a temperature between room temperature and the Curie temperature of the intermediate layer.
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Canon Kabushiki Kaisha
Neyzari Ali
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