Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-03-21

1987-04-14

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 5714

Patent

active

046578137

ABSTRACT:
A magnetic recording medium is described, comprising a non-magnetic support having provided thereon a magnetic layer containing magnetic particles and a binder, wherein the magnetic particles comprise (1) ferromagnetic hexagonal crystallized tabular shape particles having an axis of easy magnetization in a direction vertical to the tabular plane thereof and (2) ferromagnetic ellipsoidal particles having an acicular ratio (length/width) of 1.5/1 to 10/1 and having a saturation magnetization of 60 emu/g or more.

REFERENCES:
patent: 3389014 (1968-06-01), Akashi
patent: 3740266 (1973-06-01), Akashi
patent: 4237189 (1980-12-01), Deffayes
patent: 4239637 (1980-12-01), Naruse
patent: 4281043 (1981-07-01), Deffeyes
patent: 4341648 (1982-07-01), Kubo
patent: 4565726 (1986-01-01), Oguchi

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