Magnetic field sensor

Details Magnetic field sensor Magnetic field sensor

2006-05-02

2006-05-02

Ledynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S253000, C073S514310

Reexamination Certificate

active

07038448

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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L. Chiesi et al., CMOS Planar 2D Micro-Fluxgate Sensor, EPFL., Swiss Federal Institute of Technology, Institute of Microsystems (IMS), CH 1015 Lausanne, Switerland, Received Jun. 7, 1999, Received in Revised Form Nov. 2, 1999, Accepted Nov. 10, 1999.

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