Magnetoresistance effect reproduction head

Details Magnetoresistance effect reproduction head Magnetoresistance effect reproduction head

1992-05-29

1998-09-15

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

058088431

ABSTRACT:
A magnetoresistance effect reproduction head which comprises a magnetoresistive layer having a central sensing region and an end domain control region and formed into a thin film of a ferromagnetic material, a hard magnetic layer overlapping with the end domain control region in direct contact therewith and formed into a thin film of a hard magnetic material, a magnetic field and a longitudinal magnetic bias field by ferromagnetic exchange coupling is generated for maintaining the central sensing region of the magnetoresistive layer in single domain state.

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