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Micro fluxgate sensor with cascaded planar ring cores
Date
2009-09-09
Author
Zorlu, O.
Kejik, P.
Teppan, W.
Metadata
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In this paper, we present a new microfabricated fluxgate sensor structure having cascaded planar rings as the ferromagnetic core. A circular magnetic excitation is provided with a rod passing through the FeNi rings as a sewing thread. Planar coils placed under the edges of the core are used as sensing elements. The sensing coils and the excitation rod are made of AlSi, and the planar FeNi ferromagnetic core is electroplated in between the excitation rod metallization. The sensor with 18 cascaded cores has 623 mu V/mT sensitivity and +/- 300 mu T linear operation range for a sinusoidal current excitation at 1 MHz with 170 mA peak.
Subject Keywords
General Chemistry
,
General Chemical Engineering
URI
https://hdl.handle.net/11511/66644
DOI
https://doi.org/10.1016/j.proche.2009.07.157
Collections
Micro-Electro-Mechanical Systems Research and Application Center (MEMS), Conference / Seminar
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O. Zorlu, P. Kejik, and W. Teppan, “Micro fluxgate sensor with cascaded planar ring cores,” 2009, vol. 1, p. 630, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/66644.