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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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GI | Articles | Volume 8, issue 2
Geosci. Instrum. Method. Data Syst., 8, 227–240, 2019
https://doi.org/10.5194/gi-8-227-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Geosci. Instrum. Method. Data Syst., 8, 227–240, 2019
https://doi.org/10.5194/gi-8-227-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 06 Sep 2019

Research article | 06 Sep 2019

Low-noise permalloy ring cores for fluxgate magnetometers

David M. Miles et al.

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Fluxgate magnetometers provide magnetic field measurements for geophysics and space physics. A low-noise ferromagnetic ring core typically determines the noise performance of the instrument. Much of the basic research into producing low-noise fluxgate sensors was completed in the 1960s for military purposes and was never publicly released. We present a manufacturing approach that can consistently produce fluxgate ring cores with a noise performance comparable to the legacy ring cores used today.
Fluxgate magnetometers provide magnetic field measurements for geophysics and space physics. A...
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