Magneto-optical disk

Details Magneto-optical disk Magneto-optical disk

1992-06-29

1994-02-01

Wolff, John H.

Stock material or miscellaneous articles

Composite

Of inorganic material

360131, 360135, 369 13, 428694DE, 428900, 428336, G11B 566

Patent

active

052831337

ABSTRACT:
A magneto-optical disk comprising a substrate, a dielectric film made of aluminum germanium nitride disposed on the substrate and a magnetic film disposed on the dielectric film. The magnetic-optical disk has increased Kerr rotational angle, while having excellent corrosion resistivity and high performance with respect to the CNR ratio.

REFERENCES:
patent: 4579777 (1986-04-01), Honguu et al.
patent: 4610903 (1986-09-01), Nomura et al.
patent: 4675767 (1987-06-01), Osato et al.
Patent Abstracts of Japan, vol. 12, No. 224(P-721), Jun. 25, 1988, & JP-A-63-018-546, Jan. 26, 1988, Niihara Toshio, et al., "Magneto-Optical Recording Medium".
Journal of Applied Physics, vol. 45, No. 8 Aug. 1974, pp. 3643-3648; K. Egashira, et al.
IEEE Transactions on Magnetics, vol. MAG-23 Sep. 1987, pp. 2620-2621; M. Asano, et al.

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