Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-02-14

1986-11-04

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, 252 6256, 360134, 360135, 360136, 427128, 428328, 428336, 428694, 428900, G11B 570

Patent

active

046210180

ABSTRACT:
A magnetic recording medium comprising a transparent support and a magnetic layer formed on the support, said magnetic layer comprising Co-adsorbed Fe.sub.3 O.sub.4 and Co-adsorbed .gamma.-Fe.sub.2 O.sub.3 in a weight ratio of from 40:60 to 80:20, each of said Co-adsorbed Fe.sub.3 O.sub.4 and Co-adsorbed .gamma.-Fe.sub.2 O.sub.3 having a particle size of at least 25 m.sup.2 /g as a BET value.

REFERENCES:
patent: 4361627 (1982-11-01), Ohata
patent: 4400435 (1983-08-01), Yoda

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