Magneto-resistive readout of a cross-tie wall memory system usin

Details Magneto-resistive readout of a cross-tie wall memory system usin Magneto-resistive readout of a cross-tie wall memory system usin

1978-01-16

1979-02-20

Moffitt, James W.

Static information storage and retrieval

Magnetic shift registers

Thin film

G11C 1908

Patent

active

041410807

ABSTRACT:
A method of and an apparatus for reading out the informaton that is stored in the magnetizable layer of a cross-tie wall memory system is disclosed. A first embodiment of the apparatus utilizes: a conductive probe, that along its length and is conductively coupled to the magnetizable layer and the tip which is centered at or near the Bloch-line position in the memory segment of the cross-tie wall; a conductive crescent that is oriented concentric to the probe tip and that along its length is conductively coupled to the magnetizable layer; and a readout device that is coupled across the probe and crescent for determining the resistance in the magnetizable layer between the probe tip and crescent as an indicaton of the existence or non-existence of a Bloch-line in the memory segment.

REFERENCES:
patent: 4034359 (1977-07-01), Torok et al.

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