Production of magnetic recording media

Details Production of magnetic recording media Production of magnetic recording media

1983-12-23

1984-09-18

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427128, 427130, H01F 1002

Patent

active

044724551

ABSTRACT:
Magnetic recording media are produced by dispersing finely divided anisotropic magnetic material and conventional additives in a solution of a polymeric binder in an organic solvent, or in an aqueous dispersion of a polymeric binder, adding a polymer based on hydrophilic ethylenically unsaturated compounds to the magnetic dispersion, applying a layer of the dispersion to a non-magnetizable base, orienting the anisotropic magnetic material in a magentic field and drying the applied layer.

REFERENCES:
patent: 2871218 (1959-01-01), Schollenberger
patent: 4310565 (1982-01-01), Lehner et al.
patent: 4320171 (1982-03-01), Motz et al.
patent: 4328282 (1982-05-01), Lehner et al.

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