Soft adjacent layer-biased magnetoresistive head and method

Details Soft adjacent layer-biased magnetoresistive head and method Soft adjacent layer-biased magnetoresistive head and method

1998-12-30

2000-11-28

Miller, Brian E.

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

G11B 539

Patent

active

061543500

ABSTRACT:
An MR head is biased to a soft adjacent layer so that deflection angles at any point around the MR element are made uniform. The SAL-biased MR head includes a SAL divided into a plurality of layers for applying a transverse bias field, insulators disposed between each of the SAL layers, an MR element in which resistance varies according to the direction and magnitude of the magnetic flux which is detected, an insulator disposed between the SAL and the MR element, and a current source for providing current to the respective SAL layers and the MR element. Thus, since a plurality of layers are used, a bias angle in the MR element becomes almost equal at any position.

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