Thin film magnetic bubble detector

Details Thin film magnetic bubble detector Thin film magnetic bubble detector

1981-11-12

1983-05-03

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Detectors

365 43, G11C 1908

Patent

active

043822886

ABSTRACT:
A magnetic bubble detector which includes chevron propagation elements and underlying thin film magnetoresistive members is described. A portion of the dummy detection member is misaligned from its overlying chevrons. This misalignment provides a bias to the detection circuitry. A negative voltage is detectable when no bubble is present and a positive potential when a bubble is present. This allows easy matching between the detector and sense amplifier.

REFERENCES:
IBM Technical Disclosure Bulletin-vol. 24, No. 12, May 1982, p. 6594.

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