Magneto-optical recording medium

Details Magneto-optical recording medium Magneto-optical recording medium

1990-10-25

1992-06-02

Cashion, Jr, Merrell C.

Stock material or miscellaneous articles

Composite

Of inorganic material

428698, 428704, 428900, 427166, 427127, 20419215, G11B 566

Patent

active

051185733

ABSTRACT:
An improvement is obtained in the stability and recording density of a magneto-optical recording medium having a laminar structure on a transparent substrate plate successively consisting of a first dielectric layer, a magnetic recording layer, a second dielectric layer and a metallic light-reflecting layer by forming the dielectric layer with a unique and specific dielectric material which is an amorphous composite material comprising boron and hydrogen in a specified weight proportion formed by the method of plasma CVD or sputtering. The dielectric material can be a ternary composite of boron, hydrogen and nitrogen or quaternary composite of boron, hydrogen, nitrogen and silicon or carbon.

REFERENCES:
patent: 3661520 (1987-04-01), Nakamura et al.
patent: 4610912 (1986-09-01), Takahashi et al.
patent: 4849304 (1989-07-01), Uchiyama et al.

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