Magnetic head having a multilayer structure and method of manufa

Details Magnetic head having a multilayer structure and method of manufa Magnetic head having a multilayer structure and method of manufa

1993-08-02

2000-02-22

Davis, David D.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 533

Patent

active

060287497

ABSTRACT:
Magnetic head having a multilayer structure which comprises at least one magnetoresistive layer (9) and a transducing gap terminating in a head face. The magnetoresistive layer has an active central portion located between two end portions, which central portion is provided with equipotential strips (13). Layers (15) of a hard-magnetic material with an axis of magnetization extending in the longitudinal direction of the magnetoresistive layer are provided opoosite to, and spaced apart from the end portions, a non-magnetic spacer layer (17) of electrically insulating material being present between the end portions and said layers of hard-magnetic material.

REFERENCES:
patent: 4052748 (1977-10-01), Kuijk
patent: 4122505 (1978-10-01), Kuijk
patent: 4639806 (1987-01-01), Kira et al.
patent: 4903158 (1990-02-01), Smith
patent: 5005096 (1991-04-01), Krounbi et al.
patent: 5097371 (1992-03-01), Somers
patent: 5181149 (1993-01-01), Katsumata et al.

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