Method of electrolytically etching ferrite

Details Method of electrolytically etching ferrite Method of electrolytically etching ferrite

1978-06-06

1980-07-29

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412995, C25F 302, C25F 314

Patent

active

042149606

ABSTRACT:
A method of electrolytically etching a ferrite body wherein the body is immersed in an etching electrolyte of controlled concentration, an electrode is positioned in the electrolyte in spaced relation to the body, with the ratio of exposed surface area of the ferrite body and the confronting surface area of the electrode being within a predetermined range, and applying a unidirectional voltage between the ferrite body and the electrode, the ferrite body being at a negative voltage relative to the electrode for a sufficient time to cause the desired etching.

REFERENCES:
patent: 1047995 (1912-12-01), Schwuchow et al.
patent: 3527682 (1970-09-01), Valvo
patent: 3560357 (1971-02-01), Shaw
patent: 3560358 (1971-02-01), Black
patent: 3929591 (1975-12-01), Chu
patent: 4169026 (1979-09-01), Kikuchi et al.

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