Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-03-31

1984-01-10

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428447, 428457, 428688, 428689, 428694, 428695, 428698, 428900, H01F 1002

Patent

active

044254008

ABSTRACT:
In a magnetic recording medium comprising a magnetic recording layer on the surface of a non-magnetic support member, an abrasive having a Mohs' hardness of at least 6 and needle-shaped .alpha.-Fe.sub.2 O.sub.3 are incorporated in the magnetic layer, thus improving the coating durability and decreasing the head abrasion, jitter and noise.

REFERENCES:
patent: 4275115 (1981-06-01), Naruse

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