Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-03-31

1983-12-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

252 6254, 252 6259, 360134, 360135, 360136, 427128, 428328, 428331, 428323, 428694, 428695, 428900, G11B 570, B32B 516

Patent

active

044205325

ABSTRACT:
In a magnetic recording medium comprising a magnetic recording layer on the surface of a non-magnetic support member, a ferromagnetic powder, an abrasive having a Mohs' hardness of at least 6, colloidal silica and a fatty acid and fatty acid ester are incorporated in the magnetic layer, thus improving the durability of the magnetic layer and decreasing the head abrasion.

REFERENCES:
patent: 4275115 (1981-06-01), Naruse
patent: 4320159 (1982-03-01), Ogawa et al.
patent: 4322474 (1982-03-01), Matsuura et al.

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