Particulate magnetic recording media and method of manufacture t

Details Particulate magnetic recording media and method of manufacture t Particulate magnetic recording media and method of manufacture t

1986-08-25

1988-10-18

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

427128, 428694, 428900, G11B 570

Patent

active

047787198

ABSTRACT:
A magnetic recording medium is fabricated by the electrodeposition of acicular magnetic particles onto an electrically conductive substrate from a mixture that is continuously dispersed and circulated through the electrodeposition vessel. Electrodeposition is effected at a critical electric field strength so that the particles are aligned in solution, and deposited perpendicular to the substrate surface such that the medium is highly densified. By use of anisotropic particles the resultant medium is adaptable for perpendicular recording, and by use of isotropic particles the resultant medium will support both longitudinal and perpendicular recording.

REFERENCES:
patent: 4332834 (1982-06-01), Takei
patent: 4333961 (1982-06-01), Bruce et al.
patent: 4451495 (1984-05-01), Homola et al.
patent: 4472455 (1984-09-01), Kohl et al.
patent: 4578280 (1986-03-01), Greiner et al.
patent: 4585535 (1986-04-01), Sher et al.

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