Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-09-21

1989-09-05

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

252 6256, 427128, 428694, 428900, G11B 564

Patent

active

048637955

ABSTRACT:
A magnetic recording medium comprises a base film and a magnetic film having magnetic particles, formed on the base film. The magnetic film has a coercive force ranging from 750 Oe to 980 Oe and a residual magnetic flux density of 1,250 Gauss or over. In addition, the magnetic particles have a length of 0.2 .mu.m or below.

REFERENCES:
patent: 4420537 (1983-12-01), Hayama et al.
patent: 4423114 (1983-12-01), Saguchi et al.
patent: 4444835 (1984-04-01), Togawa et al.
patent: 4515857 (1985-05-01), Kitamoto et al.
patent: 4613545 (1986-09-01), Chubachi et al.
patent: 4657816 (1987-04-01), Siddiq

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