Method of manufacturing composite ferrite

Details Method of manufacturing composite ferrite Method of manufacturing composite ferrite

1994-07-29

1995-10-31

Bonner, C. Melissa

Compositions

Magnetic

Iron-oxygen compound containing

423594, C04B 3530, C04B 3534

Patent

active

054626862

ABSTRACT:
Methods of manufacturing a composite ferrite of two or more of metal oxides prepared from a chloride solution containing ions of these metals, one of the metals being zinc. The methods comprise (a) ejecting a high temperature gas to the solution or atomizing the solution and (b) supplying the atomized gas to a combustion gas containing oxygen, to evaporate moisture from mist particles of the solution in a short period of time so that the zinc chloride in the solution is not substantially evaporated and to induce a heat decomposition or chemical reaction for the remaining metal salt particles, thereby forming a composite ferrite.

REFERENCES:
patent: 3189550 (1965-06-01), Malinofsky
patent: 3378335 (1968-04-01), Ellis et al.
patent: 3658468 (1972-04-01), Cowlard et al.
patent: 4226843 (1980-10-01), Watanabe et al.
Derwent Publications Ltd., London, G.B., AN 91-097658 & JP-A-3040921 (Nisshin Steel KK & Tokin Corp.) Abstract Feb. 21, 1991.
Derwent Publications Ltd., London, G.B., AN 92-280669 & JP-A-4192309 (Nisshin Steel Co., Ltd. & Tokin Corp.) Jul. 10, 1992.
Derwent Publications Ltd., London, G.B., AN 81-02859D & JP-A-55144421 (TDK Electronics KK) Abstract Nov. 12, 1980.
Derwent Publications Ltd., London, G.B., AN 72-24209T & JP-A-47011550 (TDK Electronics Co., Ltd.) Abstract Mar. 22, 1967.

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