Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-05-06

1985-05-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

252 6254, 360134, 360135, 360136, 427128, 427131, 427132, 428329, 428336, 428694, 428900, G11B 570, B32B 530

Patent

active

045200696

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 non-magnetic binder, an improvement consists in that the ferromagnetic particles have a mean particle length of at most 0.3 microns with a length to width ratio of more than 1 but at most 3 and optionally are subjected to an orientation treatment in a magnetic field in the vertical direction to the recording surface.

REFERENCES:
patent: 3052567 (1962-09-01), Gabor
patent: 3185775 (1965-05-01), Camras
patent: 4265931 (1981-05-01), Tamai

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