Magnetic recording medium having an improved magnetic recording

Details Magnetic recording medium having an improved magnetic recording Magnetic recording medium having an improved magnetic recording

1986-07-21

1987-11-17

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, 427128, 428329, 428694, 428900, G11B 5708

Patent

active

047074035

ABSTRACT:
A magnetic recording medium in the form of a tape or a disk comprising a non-magnetic support and a magnetic recording layer formed on at least one side of the support. The magnetic recording layer is made of a dispersion, in a resin binder, of an acicular magnetic powder, a magnetic ferrite powder of a hexagonal system having an axis of easy magnetization along the c axis, and titanium monoxide powder having an average size of from 0.01 to 5 micrometers. The titanium monoxide powder is used in an amount of from 0.1 to 20 wt % based on the total of the acicular magnetic powder and the magnetic ferrite powder.

REFERENCES:
patent: 4239637 (1980-12-01), Naruse
patent: 4275115 (1981-06-01), Naruse
patent: 4420408 (1983-12-01), Kajimoto
patent: 4423452 (1983-12-01), Kajimoto
patent: 4532178 (1985-07-01), Matsumoto
patent: 4547425 (1985-10-01), Naruse
patent: 4565726 (1986-01-01), Oguchi
patent: 4657813 (1987-04-01), Asai

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