Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Patent
1997-08-20
1999-02-02
Hindi, Nabil
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
3692752, G11B 1304
Patent
active
058674551
ABSTRACT:
An optical recording medium, optical recording method with use of it, and optical recording device for it comprise at least one magnetic layer on a substrate, the magnetic layer having a temperature Tco at which sizes of domains of the magnetic layer is sharply shrunk or expanded with temperature, thereby being capable of writing and reproducing high-density information formed of smaller domains than an optical spot diameter in a high signal quality.
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Miyamoto Harukazu
Saga Hideki
Sukeda Hirofumi
Hindi Nabil
Hitachi , Ltd.
Hitachi Maxell, Ltd
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