Magnetic bubble detector

Details Magnetic bubble detector Magnetic bubble detector

1980-08-01

1982-09-14

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Detectors

365 43, G11C 1908

Patent

active

043498922

ABSTRACT:
A magnetic bubble detector according to this invention is constructed of a bubble expander, a bubble detecting element and a bubble sweeper. Moreover, at least the width of soft magnetic material-elements constituting the bubble detecting element as taken in the propagating direction of magnetic bubbles is greater than that of soft magnetic material-elements constituting the bubble expander. As a result, the distances or distance between the magnetic bubble in the bubble detecting element and the magnetic bubbles or bubble in the bubble expander and/or the bubble sweeper increase or increases, so that a magnetic bubble detector of high signal-to-noise ratio is provided.

REFERENCES:
IEEE Transactions on Magnetics-vol. MAG-13, No. 6, Nov. 1977, pp. 1773-1776.
IBM Technical Disclosure Bulletin-vol. 18, No. 4, Sep. 1975, p. 1206.

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