Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1991-07-31

1993-10-26

Pianalto, Bernard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427131, 428693, 428694R, 428900, 428694TS, H01F 1002

Patent

active

052564819

ABSTRACT:
A magnetic recording medium suitable for high density recording having improved erasing characteristics is produced by a method comprising the steps of forming an under coat layer containing an electrically conductive material on at least one surface of a substrate, applying a magnetic paint containing hexagonal system ferrite magnetic powder on the under coat layer and drying the applied magnetic paint to form a magnetic layer having a thickness of not larger than 0.7 .mu.m.

REFERENCES:
patent: 3959553 (1976-05-01), Hartmann et al.
patent: 4275113 (1981-06-01), Saito et al.
patent: 4487802 (1984-12-01), Miyoshi et al.
patent: 4540618 (1985-09-01), Suzuki et al.
patent: 4671995 (1987-06-01), Sekiya et al.
patent: 4702959 (1987-10-01), Shimozawa et al.

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