Magnetic recording medium including magnetic metallic powder

Details Magnetic recording medium including magnetic metallic powder Magnetic recording medium including magnetic metallic powder

1989-01-19

1991-07-30

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428402, 428694, 428900, G11B 2300

Patent

active

050359479

ABSTRACT:
A magnetic metallic powder comprising metal iron, at least 0.1% by weight of manganese based on the weight of metal iron and at least one alkaline earth metal in an amount 1 to 50 times the weight of manganese and a magnetic recording medium having a magnetic layer comprising the magnetic metallic powder, which magnetic layer has improved durability as well as improved magnetic characteristics and electromagnetic conversion characteristics.

REFERENCES:
patent: 4652500 (1987-03-01), Ejiri et al.
patent: 4696859 (1987-09-01), Miyoshi et al.
patent: 4701364 (1987-10-01), Miyoshi et al.
patent: 4701372 (1987-10-01), Akiyama et al.
patent: 4702959 (1987-10-01), Shimozawa et al.

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