Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-02-18

1989-02-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

427128, 427131, 427132, 428421, 428422, 428694, 428695, 428900, 428704, G11B 572

Patent

active

048031259

ABSTRACT:
A magnetic recording medium comprising a substrate, a magnetic layer formed on one surface of the substrate and a back coating layer formed on the other or back surface of the substrate, wherein the back coating layer contains at least one polyfluoropolyether having a polar group at least one molecular end and optionally at least one fluorine-containing solid lubricant, which has a small coefficient of friction and improved jitter characteristics, durability and corrosion resistance.

REFERENCES:
patent: 3993824 (1976-11-01), Shirahata
patent: 4268556 (1981-05-01), Pedrotty
patent: 4309482 (1982-01-01), Suzki
patent: 4419406 (1983-12-01), Isobe
patent: 4505990 (1985-03-01), Dasgupta
patent: 4536444 (1985-08-01), Sumiya
patent: 4659633 (1987-04-01), Yamaguchi
patent: 4692378 (1987-09-01), Ishihara
patent: 4696845 (1987-09-01), Yanagisawa

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