Apparatus and method for switching a magnetic domain lens

Details Apparatus and method for switching a magnetic domain lens Apparatus and method for switching a magnetic domain lens

1983-08-15

1985-10-29

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365 10, 365 11, 365 19, 365122, G11C 1114, G11C 1142

Patent

active

045503893

ABSTRACT:
A magnetic domain device has at least one post element formed from a material that exhibits magnetic domain characteristics and that is positioned on a nonmagnetic substrate material. A pair of electrical drive lines associated with a post element permit coincident current selection of the post element to nucleate a magnetic domain reversal, and an additional current introduced into an adjacent drive line establishes an additive magnetic field to assist the propagation of a domain wall associated with the nucleated magnetic domain reversal so that the direction of magnetization of the post element is reversed.

REFERENCES:
patent: 3715736 (1973-02-01), O'Donnell et al.
patent: 4500176 (1985-02-01), MacNeal
patent: 4500177 (1985-02-01), MacNeal
SPIE, vol. 341, Real Time Signal Processing V (1982) pp. 191-198.

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