Magnetic recording medium method for producing the same, and met

Details Magnetic recording medium method for producing the same, and met Magnetic recording medium method for producing the same, and met

1987-07-22

1989-09-12

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428409, 428459, 428632, 428694, 428900, 428928, G11B 1000

Patent

active

048659169

ABSTRACT:
A thin film type magnetic recording medium having a durability close to that of the coating type magneting recording medium is provided by a metal oxide protective layer which is formed by a physical vapor deposition.

REFERENCES:
patent: 3460968 (1969-08-01), Bate et al.
patent: 3607149 (1971-09-01), Rice et al.
patent: 4438213 (1984-03-01), Furukawa et al.
patent: 4680742 (1987-07-01), Yamada et al.
JIS B 0601-Surface Roughness Designations, 1982.
Chemical Abstracts, vol. 86, 1977, p. 508 Abst. No. 62712t.
Patent Abstracts of Japan, vol. 8, No. 60 (p-262) 3/22/84.
Patent Abstracts of Japan, vol. 7, No. 125 (p-200) 5/31/83.
Patent Abstracts of Japan, vol. 7, No. 159 (M-228) 7/13/83.

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