Magnetic recording media

Details Magnetic recording media Magnetic recording media

1973-10-23

1976-05-11

Cooper, Jack

Compositions

Magnetic

Chromium or chromium compound containing

252 6255, C01G 3702

Patent

active

039561526

ABSTRACT:
A magnetic recording medium or composition which comprises a ferromagnetic chromium dioxide product containing a proper quantity of tungsten alone or admixed with a member selected from the group consisting of copper and zinc, which has an excellent ferromagnetic characteristic of high coercive force.

REFERENCES:
patent: 2923683 (1960-02-01), Ingraham et al.
patent: 3117093 (1964-01-01), Arthur et al.
patent: 3371043 (1968-02-01), Hund et al.
patent: 3547824 (1970-12-01), Mihara et al.
patent: 3583917 (1971-06-01), Mihara et al.

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