Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-12-30

1988-09-27

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

2041922, 20419216, 20419223, 427131, 427132, 428215, 428336, 428408, 428694, 428695, 428900, 428457, 428446, G11B 572

Patent

active

047741309

ABSTRACT:
A magnetic recording medium has a magnetic film formed on the surface of a substrate and a protective film further formed on the surface of the magnetic film. The protective film is composed of a first layer containing at least one substance selected from the group consisting of Cr.sub.2 O.sub.3, Si, and Ge and a second layer of amorphous carbon or graphite containing amorphous carbon deposited on the front side of the first layer.

REFERENCES:
patent: 4376963 (1983-03-01), Knoop
patent: 4411963 (1983-10-01), Aine
patent: 4503125 (1985-03-01), Nelson
patent: 4554217 (1985-11-01), Grimm
patent: 4592948 (1986-06-01), Kohmoto
patent: 4608293 (1986-08-01), Wada
patent: 4647494 (1987-03-01), Meyerson

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