Magnetooptical recording medium, method for producing the same,

Details Magnetooptical recording medium, method for producing the same, Magnetooptical recording medium, method for producing the same,

1996-10-07

1998-09-22

Zimmerman, John J.

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

427128, 369 13, 369272, 369283, 428694RE, 428694MM, C23C 1434, G11B 584, G11B 566, B05D 100

Patent

active

058109790

ABSTRACT:
A method of producing a magneto-optical recording medium provided with a reproducing layer on a recording film on a substrate, the reproducing film being in-plane magnetized at room temperature and perpendicularly magnetized at an elevated temperature, and the recording film being perpendicularly magnetized at temperatures between room temperature and its Curie temperature. The method includes the steps of forming the reproducing layer on the substrate while applying a magnetic field in a direction parallel to the film surface of the reproducing film which is being formed, and forming the recording film on the reproducing film.

REFERENCES:
patent: 5428585 (1995-06-01), Hirokane et al.
patent: 5452272 (1995-09-01), Murakami et al.
patent: 5547773 (1996-08-01), Miyakoshi et al.
patent: 5563852 (1996-10-01), Murakami et al.
Patent Abstracts of Japan, vol. 17, No. 438, p. 1591 (Aug. 12, 1993) (Abstract in English of JP 05-089536).

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