Process for the preparation of magnetic recording medium

Details Process for the preparation of magnetic recording medium Process for the preparation of magnetic recording medium

1987-01-27

1988-05-17

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427128, 427130, H01F 1002

Patent

active

047450010

ABSTRACT:
Improvement in a process for the preparation of a magnetic recording medium which comprises the steps of applying a magnetic paint onto a surface of a nonmagnetic support to form a coated paint layer, said magnetic paint comprising magnetic recording layer-forming components including a ferromagnetic powder, an abrasive and a resin component dispersed in an organic solvent, and then subjecting the coated layer to magnetic orientation, in which a step of drawing the ferromagnetic powder in the coated magnetic paint toward the surface of the support by means of a magnet is arranged in advance of the orientation step.

REFERENCES:
patent: 3630910 (1971-12-01), Akashi et al.
patent: 4652461 (1987-03-01), Kato et al.

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