Method of producing cast magnetic soft ferrite

Details Method of producing cast magnetic soft ferrite Method of producing cast magnetic soft ferrite

1994-09-09

1997-09-16

Bonner, Melissa

Compositions

Magnetic

Iron-oxygen compound containing

423594, 264299, 264332, 264337, 264338, C04B 3530, C04B 3526, C04B 3534

Patent

active

056677170

ABSTRACT:
A method of producing magnetic soft ferrite of the general formula: M.sub.x Zn.sub.1-x O.Fe.sub.2 O.sub.3 (M stands for one or more of Cu, Mn, Ni, Fe, Co and Mg; and X is in the range of 0.4-0.7) by melting and casting is disclosed. Melting is carried out under controlling evaporation of Zn-component in the material of the ferrite by disposing Zn-source around the material, sealing up the melting chamber as tight as possible, or under a pressurized gas atmosphere so as to obtain the product having uniform and precise composition.

REFERENCES:
patent: 3546122 (1970-12-01), Nishizawa et al.
Sugimoto, "Ferrites, Proc. Int. Conf.", 1970 (Pub. 1971), University Park Press, Baltimore, Md. no month.
Sugimoto et al., "Ferrites, Proc. Int. Conf.", 1970 (Pub. 1971), University Park Press, Baltimore, Md. no month.

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