Apparatus for measuring weak static magnetic field using superconduction strips and a SQUID magnetometer
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United States of America Patent
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-
Feb 2, 1993
Grant Date -
N/A
app pub date -
Sep 19, 1991
filing date -
Sep 20, 1990
priority date (Note) -
Expired
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Abstract
A magnetic field measurement system including a pick-up coil is not moved but fixed. Strips of superconducting material are arranged in a plane with narrow slits between the strips. The strips are moved very near the pick-up coil along the plane. From output variations of a SQUID magnetometer during the movement, a magnitude of a static field perpendicular to the plane of the strips is obtained.
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