Magneto-optical recording element

Details Magneto-optical recording element Magneto-optical recording element

1988-10-28

1991-02-19

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

428694, 428900, 365122, 360131, G11B 1304, G11B 1110, G11B 1112

Patent

active

049950240

ABSTRACT:
Disclosed is a magneto-optical recording element comprising a dielectric layer and an amorphous perpendicular magnetization film on a substrate, wherein the perpendicular magnetization film is a perpendicular magnetization film comprising at least Gd element as the rare earth metal element and Fe metal as the transition metal component, in which the Fe sub-lattice moments are dominant, the dielectric layer is a dielectric layer composed of amorphous silicon nitride, the magnetization Ms of the perpendicular magnetization film is set within a range represented by the following formula (1):

REFERENCES:
patent: 4544443 (1985-10-01), Ohta et al.
patent: 4544602 (1985-10-01), Kobayashi et al.
patent: 4610912 (1986-09-01), Takahashi et al.
patent: 4780377 (1988-10-01), Takano
Kobayashi et al., "MAG. Process of Exchange-Coupled Ferrimagnetic Double Layered Filmes", TP Journal of Applied Physics, vol. 20, No. 11, Nov. 1981, pp. 2089-2095.

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