Current-controlled magnetic domain memory

Details Current-controlled magnetic domain memory Current-controlled magnetic domain memory

1982-05-05

1984-10-09

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Conductor propagation

G11C 1908

Patent

active

044765444

ABSTRACT:
A current-controlled domain memory comprises a register for propagating magnetic domains in a magnetizable layer. The register comprises a meandering current-conductor pattern. The pattern can be driven by a bipolar current. The current conductors have a width of approximately one domain diameter and a meander period of approximately four domain diameters. The conductor pattern is provided with two control elements per period which generate potential wells in the magnetizable layer of a size of approximately one domain cross-section and which are arranged to center the centers of the domains on the edges of the conductor pattern when the current through the conductor pattern is zero.

REFERENCES:
patent: 4218762 (1980-08-01), Haisma et al.

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