Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-11-16

1985-08-20

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

360134, 360133, 360136, 427128, 427131, 427132, 428421, 428422, 428694, 428695, 428900, 428704, 252 499, G11B 572

Patent

active

045364443

ABSTRACT:
A magnetic recording medium comprising a substrate, a magnetic layer formed on the substrate and comprising a metallic magnetic material as a recording element and a protective layer formed on the magnetic layer and comprising a perfluroalkyl polyether derivative having a phosphate terminal group, which has improved durability and corrosion resistivity.

REFERENCES:
patent: 3810874 (1974-05-01), Mitsch
patent: 4043926 (1977-08-01), Snyder
patent: 4085137 (1978-04-01), Mitsch
patent: 4094911 (1978-06-01), Mitsch
patent: 4169904 (1979-10-01), Czornyj
patent: 4267238 (1981-05-01), Chernega
patent: 4268556 (1981-05-01), Pedrotty
patent: 4308063 (1981-12-01), Horiuchi
patent: 4327139 (1982-04-01), Schaefer
patent: 4404247 (1983-09-01), Burguette
patent: 4431555 (1984-02-01), Christian
patent: 4446193 (1984-05-01), Afzali-Ardakani
patent: 4472480 (1984-09-01), Olson

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