Spin-valve magnetic head with the pinned layer having different

Details Spin-valve magnetic head with the pinned layer having different Spin-valve magnetic head with the pinned layer having different

1998-02-17

2000-03-07

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

060348453

ABSTRACT:
A spin-valve magnetic head has a first ferromagnetic layer with a first easy axis of magnetization extending in a first direction, and a second ferromagnetic layer provided on, and separated from, the first ferromagnetic layer. The second ferromagnetic layer has a magnetization in a second direction substantially perpendicular to the first direction. The magnetization defines a line in the second direction. An anti-ferromagnetic layer provided on the second ferromagnetic layer is exchange coupled to the second ferromagnetic layer. The second ferromagnetic layer has a second easy axis of magnetization extending in a direction intersecting the line in the second direction.

REFERENCES:
patent: 5648885 (1997-07-01), Nishioka

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