Device operating on the displacement of magnetic domain walls

Details Device operating on the displacement of magnetic domain walls Device operating on the displacement of magnetic domain walls

1977-12-19

1979-10-16

Pianalto, Bernard D.

Stock material or miscellaneous articles

Metal continuous phase interengaged with nonmetal continuous...

427131, 428900, H01F 1002

Patent

active

041714083

ABSTRACT:
In a device operating on the displacement of magnetic domain walls and comprising a layer of magnetizable material having an easy axis of magnetization normal to the plane of the layer, in which layer magnetic domain walls exist, the presence in the walls of an internal magnetic field directed parallel to the plane of the layer ensures that the walls can be displaced with higher velocity. Said internal field is created by providing on the first layer a second layer of magnetizable material having an easy axis of magnetization normal to the plane of the layer, the saturation magnetization of the second layer being higher than that of the first layer.

REFERENCES:
patent: 3714640 (1973-01-01), Bobeck

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