Magnetic recording medium of particular coercive force, filling

Details Magnetic recording medium of particular coercive force, filling Magnetic recording medium of particular coercive force, filling

1985-10-21

1989-03-28

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

360131, 428900, 427128, G11B 502, G11B 564

Patent

active

048169331

ABSTRACT:
A magnetic recording medium is provided comprising a flexible substrate and a ferromagnetic metal thin film layer on the substrate primarily comprising cobalt. When coercive force is measured by changing the measuring direction in a plane defined by a longitudinal direction of the substrate and a direction normal to the major surface of the substrate, the following relationship is met:

REFERENCES:
patent: 3019125 (1962-01-01), Eggenberger et al.
patent: 4540618 (1985-09-01), Suzuki et al.
patent: 4599280 (1986-07-01), Izumi et al.

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