Magnetic device having domains of two different sizes in a singl

Details Magnetic device having domains of two different sizes in a singl Magnetic device having domains of two different sizes in a singl

1976-03-15

1977-10-04

Moffitt, James W.

Communications: electrical

Digital comparator systems

G11C 1908

Patent

active

040527077

ABSTRACT:
A magnetic device comprising at least one thin layer of a magnetizable material having a preferred direction of magnetization which is approximately perpendicular to the surface of the layer in which magnetic domains are generated, maintained and possibly annihilated in the layer. A domain guiding structure which with a given magnetic field substantially in the preferred direction enables the occurrence of two types of magnetic domains. The area of the largest domain is at least 15% and at most 125% larger than that of the other domains. The device also has means which convert one type of domain into the other type of domain.

REFERENCES:
patent: 3701129 (1972-10-01), Copeland
patent: 3728153 (1973-04-01), Heinz
patent: 3811120 (1974-05-01), Bobeck

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