Magneto-optic memory device

Details Magneto-optic memory device Magneto-optic memory device

G - Physics

11

B

42/2, 352/33.3

G11B 13/04 (2006.01) G11B 5/64 (2006.01) G11B 11/105 (2006.01)

Patent

CA 1315983

ABSTRACT OF THE DISCLOSURE A magneto-optic memory device comprising: (a) a pair of opposed substrates at least one of which is transparent, (b) a magneto-optic memory layer composed of a dielectric film, a rare earth-transition metal alloy thin film, a dielectric film and a light reflecting film in this order on the surface of the transparent substrate opposed to the other substrate, (c) an adhesive layer covering the memory layer and bonding the transparent substrate to the other substrate, and (d) a metal nitride film interposed between the light reflecting film of the memory layer and the adhesive layer, which is useful as a magneto-optic disk or magneto-optic card.

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