Magnetic tunnel device

Details Magnetic tunnel device Magnetic tunnel device

1998-06-04

2000-08-15

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694R, 428694T, 428694TS, 428694TM, 428900, 360113, 326 2, G11B 566

Patent

active

061034061

ABSTRACT:
A novel magnetic tunnel device capable of displaying a magnetic tunnelling effect in stability and with high sensitivity even to an external magnetic field of a weak intensity. The magnetic tunnel device 1 has a layered structure including a first magnetic layer 2, a granular layer 3 layered on the first magnetic layer 2 and a second magnetic layer 4 layered on the surface of the granular layer 3 opposite to its surface carrying the first magnetic layer 2. The granular layer 3 has a granular structure which is made up of a magnetic metal phase 7 and an insulating phase 8. The first magnetic layer 2 and/or the second magnetic layer 4 of the magnetic tunnel device is formed of a ferromagnetic material having soft magnetic properties. The current is supplied in the layering direction of the layered structure.

REFERENCES:
patent: 5774783 (1998-06-01), Kaitsu
patent: 5789088 (1998-08-01), Nakai

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