CPP magnetoresistive device and method for making same

Details CPP magnetoresistive device and method for making same CPP magnetoresistive device and method for making same

1998-11-02

2000-09-12

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

360315, G11B 539

Patent

active

061186384

ABSTRACT:
A magnetoresistive device includes a metal layer, formed over a substrate, in which a groove is formed. A magnetoresistive element is formed in the groove, forming two magnetoresistive element portions that are separated by a conductive element. A sense current applied to the metal layer flows through the two magnetoresistive element portions with a predominant current-perpendicular-to-plane component. A method includes techniques that are less complex and less expensive than submicron photolithography to form the above described magnetoresistive device with submicron geometries. A system includes a read/write head that incorporates a magnetoresistive element formed in a groove of a metal layer.

REFERENCES:
patent: 3945038 (1976-03-01), Lazzari
patent: 5644456 (1997-07-01), Smith et al.
A. Maeda et al., "GMR in Corrugated Co/Cu Multilayers," IEEE Transactions on Magnetics, vol. 33, No. 5, Sep. 1997, pp. 3535-3537.

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