2016 IEEE Sensors Applications Symposium (SAS) 2016
DOI: 10.1109/sas.2016.7479836
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High sensitivity magnetic field sensor for spatial applications

Abstract: A high sensitivity 1D magnetic field sensor is developed for spatial applications, in order to replace the heavy search-coils currently used. This new sensor combines a flux concentrator, biasing coils for field modulation and magnetic tunnel junctions. These three elements are fabricated and independently characterized. Finally, the expected performance of a sensor combining these three elements can be estimated.

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Cited by 6 publications
(8 citation statements)
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“…The global vision of new MR sensor (non-recording) applications, products and services was launched out through the next 15 years and beyond. Magnetic field detection has tremendous impact on a large variety of applications and industries [8,9,[11][12][13][148][149][150][151][152], which exploit a wide range of physical phenomena and principles [7,[153][154][155][156][157][158][159][160][161][162][163][164][165][166][167]. To obtain an overview of magnetic field sensing techniques, an analysis of statistics of common magnetic sensors from 1975 to 2017 in the selected patent databases is shown in Figure 3.…”
Section: Roadmap Development Methodologymentioning
confidence: 99%
See 2 more Smart Citations
“…The global vision of new MR sensor (non-recording) applications, products and services was launched out through the next 15 years and beyond. Magnetic field detection has tremendous impact on a large variety of applications and industries [8,9,[11][12][13][148][149][150][151][152], which exploit a wide range of physical phenomena and principles [7,[153][154][155][156][157][158][159][160][161][162][163][164][165][166][167]. To obtain an overview of magnetic field sensing techniques, an analysis of statistics of common magnetic sensors from 1975 to 2017 in the selected patent databases is shown in Figure 3.…”
Section: Roadmap Development Methodologymentioning
confidence: 99%
“…The list of search keywords for patents statistics of magnetic field sensors is shown in Table I. Typical magnetic sensors [13,148,149,168] were taken into account, including MR sensors [7,11,157,169], Hall effect sensors [26,155,[170][171][172], fluxgates [173][174][175][176][177], superconducting quantum interference devices (SQUID) [156,[178][179][180][181], magneto-optical sensors [161,[182][183][184][185][186], search coils [187][188][189][190][191], magneto- Table I. inductive sensors [160,[192][193][194][195], magneto-impedance sensors [160,[196][197][198][199], magneto-diodes [153,[200]…”
Section: Roadmap Development Methodologymentioning
confidence: 99%
See 1 more Smart Citation
“…A high-sensitivity giant magneto-resistance (GMR) sensor using the symmetric MR property and AC field modulation has been developed. [1][2][3] As in the case of conventional AC modulation detection, [4][5][6][7][8][9][10][11][12] this GMR sensor can reduce the 1/f noise, especially the electric 1/f noise, 3) in the GMR element. The symmetric MR response allows for detection of small magnetic fields without the influence of large modulation fields.…”
Section: Introductionmentioning
confidence: 99%
“…The MTJs are mainly used nowadays for non-volatile memory (STT-MRAM) [1,2,3,4], but also as magnetic sensors [5,6,7]. These functionalities in principle require application specific stacks.…”
Section: Introductionmentioning
confidence: 99%