Hard ferrite powder and process for the preparation thereof

Details Hard ferrite powder and process for the preparation thereof Hard ferrite powder and process for the preparation thereof

1979-11-19

1982-06-22

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423265, C01G 4900

Patent

active

043362427

ABSTRACT:
A hard ferrite powder with the composition BaO.6Fe.sub.2 O.sub.3 composed of particles in the size range from about 1 to 10 microns and being easily separated into primary grains (monocrystal domains) which contain at least about 85% of primary grains with hexagonal lattice structures and sizes equal to or less than 0.5 micron.

REFERENCES:
patent: 1940409 (1933-12-01), Fink
patent: 2985506 (1961-05-01), Di Vita et al.
patent: 3189550 (1965-06-01), Malinofsky
patent: 3378335 (1968-04-01), Ellis et al.
patent: 3630667 (1971-12-01), Shirk
patent: 3751366 (1973-08-01), Bomar et al.
patent: 3794720 (1974-02-01), Nye
patent: 3830743 (1974-08-01), Schlaudt et al.
patent: 3895092 (1975-07-01), Sironi et al.

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