Magnetic recording medium and process for producing the same

Details Magnetic recording medium and process for producing the same Magnetic recording medium and process for producing the same

1990-09-18

1991-12-17

Cashion,, Jr.:

Stock material or miscellaneous articles

Composite

Of inorganic material

428688, 428704, 428900, 427130, G11B 566, G32B 900

Patent

active

050734601

ABSTRACT:
A magnetic recording medium comprising a substrate, a ferromagnetic thin film formed on the substrate, and a protective film formed directly on the ferromagnetic think film, and a process for producing such magnetic recording medium. The expression "formed directly" refers to the technique for forming the protective film on the ferromagnetic thin film so that the interface therebetween is free from contamination by, for instance, conducting the protective film formation under the vacuum used when forming the ferromagnetic thin film.

REFERENCES:
patent: 4411963 (1983-10-01), Aine
patent: 4489139 (1984-12-01), Ohta et al.
patent: 4565734 (1986-01-01), Arai et al.
patent: 4661420 (1987-04-01), Nakamura et al.
Aromo et al., IBM TDB, vol. 16, No. 5, Oct. 1973, p. 1442.

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