Magnetic recording medium with vertically oriented magnetic part

Details Magnetic recording medium with vertically oriented magnetic part Magnetic recording medium with vertically oriented magnetic part

1984-12-06

1987-06-09

Swisher, Nancy A.

Stock material or miscellaneous articles

Composite

Of inorganic material

428900, 428328, 428329, 428 64, 427128, G11B 568, G11B 570

Patent

active

046720090

ABSTRACT:
A film type magnetic recording medium including a film substrate, and a magnetic film with a plurality of needle shaped magnetic grains dispersed in the magnetic film oriented to be substantially perpendicular to the surface of the magnetic film and vertically overlap one another. The film is coated on the substrate and then dried in a magnetic field perpendicularly oriented to the film surface so that the grains are fixed in an orientation substantially perpendicular to the film surface.

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