Magnetic domain storage device

Details Magnetic domain storage device Magnetic domain storage device

G - Physics

11

C

352/37.2

G11C 11/14 (2006.01) G11C 19/08 (2006.01) H01F 10/06 (2006.01)

Patent

CA 1111556

ABSTRACT OF THE DISCLOSURE : A magnetic domain storage device comprising a ferro- magnetic, polycrystalline metal layer which is applied to a support and comprises areas of different coercivity, the areas of lower coercivity in the form of strip-shaped channels being surrounded by areas of higher coercivity, a system of electri- cal conductors, extending in planes arranged parallel and in close vicinity to the support, for creating, propagating and detecting magnetic domains in the channels of low coercivity, and a baseplate with electrical connections, the areas of lower coercivity being in the form of channels which follow a quasi- spiral path on the support, with on end adjacent to the center of the support and the other end adjacent to a corner of the support and executing at least one full 360° turn.

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