Magneto-resistive effect thin-film magnetic head

Details Magneto-resistive effect thin-film magnetic head Magneto-resistive effect thin-film magnetic head

1995-11-28

1997-09-23

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360126, G11B 539

Patent

active

056711050

ABSTRACT:
A magneto-resistive effect thin-film magnetic head including a magnetic layer exhibiting a magneto-resistive effect, the magnetic layer having a longitudinal axis and two ends positioned at opposite ends of the longitudinal axis, and a flux guide layer of a high magnetic permeability soft magnetic material formed at an overlapping one end of the magnetic layer, the flux guide layer having two opposite ends longitudinally aligned with the longitudinal axis of the magnetic layer. On overlapping both ends of the flux guide layer, there are formed separate hard fills operating as permanent magnets.

REFERENCES:
patent: 5032945 (1991-07-01), Argyle et al.
patent: 5325253 (1994-06-01), Chen et al.
patent: 5434826 (1995-07-01), Ravipati et al.
patent: 5442507 (1995-08-01), Koga et al.
patent: 5461526 (1995-10-01), Hamakawa et al.
patent: 5495378 (1996-02-01), Bonyhard et al.
patent: 5532892 (1996-07-01), Nix et al.

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