Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-03-05

1987-05-19

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428457, 428694, 428900, H01F 1002

Patent

active

046667733

ABSTRACT:
In a magnetic recording medium comprising a non-magnetic support and a magnetic recording layer coated thereon in which ferromagnetic particles are dispersed in a binder, the ferromagnetic particles are given a magnetic anisotropy by a magnetic annealing treatment and the direction of the magnetic anisotropy is vertical mainly to the recording surface. Thus, the vertical magnetization recording is improved.

REFERENCES:
patent: 3859129 (1975-01-01), Chen et al.
patent: 4237506 (1980-12-01), Manly
patent: 4265931 (1981-05-01), Tamai et al.

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