Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-03-10

1988-12-06

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, 427 44, 427128, 428329, 428403, 4284259, 428522, 428694, 428900, 4284735, G11B 570

Patent

active

047895918

ABSTRACT:
A magnetic recording medium comprising a support and a magnetic layer on said support. Said magnetic layer is a unitary magnetic layer comprising iron oxide powder having cobalt adsorbed on the surface thereof. The average grain size of said powder is not more than 0.5.mu., the ratio of the major axis to the minor axis (acicular ratio) of said powder is from 1.3 to 4.5 and the coercive force of said powder is from 500 to 800 Oe.

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