Process for forming a ferrite film

Details Process for forming a ferrite film Process for forming a ferrite film

1983-12-08

1984-10-16

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

427130, 428900, C25D 1102

Patent

active

044773196

ABSTRACT:
A process for forming a ferrite film, which is characterized in that in an aqueous solution containing at least ferrous ions as metal ions, ferrous hydroxide ions FeOH.sup.+, or FeOH.sup.+ and other metal hydroxide ions, are uniformly adsorbed on the surface of a solid by an interfacial reaction at an interfacial boundary between the solid and the aqueous solution; and the adsorbed FeOH.sup.+ is oxidized to FeOH.sup.2+, whereupon FeOH.sup.2+ and metal hydroxide ions in the aqueous solution undergo a ferrite crystallization reaction to precipitate a ferrite layer on the surface of the solid.

REFERENCES:
patent: 2582590 (1952-01-01), Heeren et al.
patent: 3703411 (1972-11-01), Melezoglu

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