Thin-film type magnetic head having an auxiliary magnetic film

Details Thin-film type magnetic head having an auxiliary magnetic film Thin-film type magnetic head having an auxiliary magnetic film

1993-05-19

1998-03-10

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Head

Core

360125, G11B 5127

Patent

active

057268428

ABSTRACT:
A thin film type magnetic head comprising a magnetic core made of a metallic magnetic material and interposed between two non-magnetic bases is disclosed. An auxiliary film, made of a magnetic material, is disposed on a surface including the magnetic core and not the surface which comes into contact with a recording medium. This arrangement can reduce the size of the magnetic head while preventing the lowering of the reproduction output.

REFERENCES:
patent: 4894742 (1990-01-01), Saito et al.
patent: 4985796 (1991-01-01), Ihara et al.
patent: 4985797 (1991-01-01), Yohda et al.
patent: 5029032 (1991-07-01), Yamada et al.
patent: 5162960 (1992-11-01), Sakata et al.
patent: 5183631 (1993-02-01), Kugimiya et al.
patent: 5247415 (1993-09-01), Kumasaka et al.

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