Process for production of magnetic recording elements

Details Process for production of magnetic recording elements Process for production of magnetic recording elements

1984-11-20

1986-08-05

Pianalto, Bernard D.

Coating processes

Electrical product produced

Welding electrode

427132, H01F 1002

Patent

active

046042962

ABSTRACT:
A process for producing a magnetic recording element using a ferromagnetic metal fine powder produced by a dry reduction method is disclosed, the improvement which comprises washing the ferromagnetic metal fine powder with an aqueous solvent or an organic solvent having high polarity, and optionally contacting the powder with an aqueous solution of a surface active agent, before preparing a coating composition of the powder.

REFERENCES:
patent: 4146671 (1979-03-01), Fujiyama et al.

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