Data recording medium

Details Data recording medium Data recording medium

1982-01-29

1983-09-06

Griffin, Donald A.

Recorders

Record receivers and/or driving means therefor

Laminated, impregnated, or coated bases

G01D 1534

Patent

active

044032315

ABSTRACT:
The invention provides a data recording medium comprising: a disc-shaped substrate; a radiation-sensitive recording layer formed on one surface of the substrate; an oxide layer formed by oxidizing a surface of the said recording layer; and a protective layer formed on the oxide layer. The data recording medium of the invention prevents formation of cracks in the recording layer and/or protective layer and is improved in the manufacturing yield.

REFERENCES:
patent: 3560994 (1971-02-01), Wolff et al.
patent: 3657721 (1972-04-01), Traub et al.
patent: 3665483 (1972-05-01), Becker et al.
patent: 3996057 (1976-12-01), Kawaziri et al.
patent: 4069487 (1978-01-01), Kasai et al.
patent: 4188214 (1980-02-01), Kido et al.

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