Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-10-18

1986-11-04

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

360134, 360135, 360136, 2041922, 20419222, 427128, 427131, 427132, 428336, 428694, 428695, 428900, G11B 572

Patent

active

046210083

ABSTRACT:
A magnetic recording medium for use in video and other applications is presented which comprises a substrate, a continuous thin magnetic layer of cobalt and at least one selected from nickel, chromium, and oxygen, preferably obliquely evaporated on the substrate, and a topcoat formed over the magnetic layer and made of a phosphate compound having the formula: ##STR1## where R is selected from the group consisting of substituted or unsubstituted alkyl radicals having 10 to 22 carbon atoms which may be saturated or have an unsaturated double bond in their backbone, and substituted or unsubstituted aryl, alkaryl, aralkyl and alkylarylalkyl radicals having 6 to 20 carbon atoms, and

REFERENCES:
patent: 4232072 (1980-11-01), Pardee
patent: 4305994 (1981-12-01), Murase
patent: 4425404 (1984-01-01), Suzuki
patent: 4537832 (1985-08-01), Kohmoto
Journal of Applied Physics, 36, No. 3, pp. 972-974 (1965).
The Fourth International Conference on Video and Data Recording IERE Conference Proceeedings No. 54.

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