Magneto-optical recording medium of super-resolution type using

Details Magneto-optical recording medium of super-resolution type using Magneto-optical recording medium of super-resolution type using

1995-12-21

1998-03-24

Dinh, Tan

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

428694MM, G11B 1100

Patent

active

057320497

ABSTRACT:
A magneto-optical recording medium includes an optically transparent substrate, a first magnetic layer having a compensation temperature between room temperature and a Curie temperature thereof, and a second magnetic layer including a perpendicular magnetic layer. The first magnetic layer is a magnetic film which is located on the side of the substrate with respect to the second magnetic layer and which is an in-plane magnetic layer at room temperature and turns into a perpendicular magnetic layer between room temperature and the Curie temperature of the second magnetic layer. The magnetic film has in-plane anisotropy increasing continuously or stepwise along a direction of a film thickness from the side of the substrate.

REFERENCES:
patent: 5428585 (1995-06-01), Hirokane et al.

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