Fluxgate sensor with increased homogeneity

Several types of fluxgate sensors were developed for measuring microvariations of the earth's magnetic field. Sensor cores were produced by etching, leading to better geometric homogeneity and long-term stability. This technology makes it possible to produce oval-shape sensors with both higher sensitivity and low noise. Sensor noise is reduced by the use of the favorable sensor geometry, e.g. on oval-shape core.<
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