Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1981-12-11

1983-05-03

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428457, 428694, 428900, C23C 1500

Patent

active

043821103

ABSTRACT:
A magnetic recording medium comprising a non-magnetic substrate such as on polyethylene terephthalate film, and deposited on the surface of the substrate by a ionized cluster beam deposition method, at least one ferromagnetic material selected from the group consisting of cobalt, cobalt-containing alloys, mixtures of cobalt with other elements, and chromium dioxide; and a process for production thereof. The magnetic recording medium is characterized by having superior magnetic properties, especially superior coercive force, residual magnetic flux density and squareness ratio, and high mechanical strength.

REFERENCES:
patent: 4202932 (1980-05-01), Chen et al.

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