Magnetic field sensor
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United States of America Patent
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May 2, 2006
Grant Date -
Nov 25, 2004
app pub date -
May 21, 2002
filing date -
May 25, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic field sensor for measuring at least two components of a magnetic field comprises a ferromagnetic core mounted on a semiconductor chip, an exciter coil to which a current can be applied and two read-out sensors. The ferromagnetic core is ring-shaped. The exciter coil is preferably formed from conductor tracks of the semiconductor chip and from bonding wires.
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