Magnetic bubble detector
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United States of America Patent
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-
Sep 14, 1982
Grant Date -
N/A
app pub date -
Aug 1, 1980
filing date -
Aug 15, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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