Thin film inductive head and magnetic writing/reading drive incl

Dynamic magnetic information storage or retrieval – Head – Core

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Details

360113, 360119, G11B 531, G11B 539, G11B 5187

Patent

active

057743088

ABSTRACT:
A thin film inductive head for use in writing/reading magnetic signals in a magnetic disk drive or a magnetic tape unit, comprises two magnetic cores formed of respective magnetic layers, said two magnetic layers putting conductor coils therebetween in a vertical direction, front end portions thereof opposing to each other via a gap layer, a part of said front end portion of one magnetic layer having high saturation magnetic flux density rather than a remaining part thereof.

REFERENCES:
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patent: 5168409 (1992-12-01), Koyama et al.
patent: 5195004 (1993-03-01), Okuda et al.
patent: 5402295 (1995-03-01), Suzuki et al.
patent: 5438747 (1995-08-01), Krounbi et al.
S.X. Wang and P.R. Webb, "Modeling of Submicron Trackwidth Inductive Write Head Designs", IEEE, Trans. Magn., vol. 31, p. 2687.

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