Magneto-optic memory element

Details Magneto-optic memory element Magneto-optic memory element

1981-06-19

1983-11-08

Fears, Terrell W.

Static information storage and retrieval

Information masking

Polarization

365121, G11C 1304

Patent

active

044146507

ABSTRACT:
A magneto-optic memory medium comprises a reflector exhibiting reflectance for light used for information reproduction and a magneto-optic magnetization film disposed on the reflector. When light is applied for information reproduction, the light impinges on the magnetization film and reaches the reflector. The light reflected through the reflector and the magnetization film is of use for information reproduction. In a preferred form of the magneto-optic memory medium, there is deposited on a transparent substrate a magnetic film having an axis of easy magnetization perpendicular to its surface. The magnetization film is overlaid with a reflective coating which is shaped into a strip configuration.

REFERENCES:
patent: 3872451 (1975-03-01), McNaney

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