Process for producing magnetic powder

Details Process for producing magnetic powder Process for producing magnetic powder

H - Electricity

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H01F 1/36 (2006.01) C09C 1/24 (2006.01) G11B 5/706 (2006.01)

Patent

CA 1257961

ABSTRACT OF THE DISCLOSURE: A process for producing a magnetic powder which comprises coating the particle surfaces of a magnetic iron oxide with a cobalt compound or a cobalt compound and a ferrous compound and further coating with a compound of at least one metal selected from the group consisting of manganese, vanadium and zinc. There is obtained a magnetic powder having high coercivity and excellent dispersibility in organic binders. This magnetic powder is useful as a material for recording media such as magnetic tapes.

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