Integration of thin film giant magnetoimpedance sensor and surface acoustic wave transponder

Bodong Li; Nedime Pelin M. H. Salem; Ioanna Giouroudi; Jürgen Kosel

doi:10.1063/1.3678439

Integration of thin film giant magnetoimpedance sensor and surface acoustic wave transponder

Bodong Li, Nedime Pelin M. H. Salem, Ioanna Giouroudi, Jürgen Kosel

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Passive and remote sensing technology has many potential applications in implantable devices, automation, or structural monitoring. In this paper, a tri-layer thin film giant magnetoimpedance (GMI) sensor with the maximum sensitivity of 16%/Oe and GMI ratio of 44% was combined with a two-port surface acoustic wave(SAW) transponder on a common substrate using standard microfabrication technology resulting in a fully integrated sensor for passive and remote operation. The implementation of the two devices has been optimized by on-chip matching circuits. The measurement results clearly show a magnetic field response at the input port of the SAW transponder that reflects the impedance change of the GMI sensor.

Original language	English (US)
Pages (from-to)	07E514
Journal	Journal of Applied Physics
Volume	111
Issue number	7
DOIs	https://doi.org/10.1063/1.3678439
State	Published - Mar 10 2012

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.3678439

https://repository.kaust.edu.sa/bitstream/10754/552829/1/1.3678439.pdf

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title = "Integration of thin film giant magnetoimpedance sensor and surface acoustic wave transponder",

abstract = "Passive and remote sensing technology has many potential applications in implantable devices, automation, or structural monitoring. In this paper, a tri-layer thin film giant magnetoimpedance (GMI) sensor with the maximum sensitivity of 16%/Oe and GMI ratio of 44% was combined with a two-port surface acoustic wave(SAW) transponder on a common substrate using standard microfabrication technology resulting in a fully integrated sensor for passive and remote operation. The implementation of the two devices has been optimized by on-chip matching circuits. The measurement results clearly show a magnetic field response at the input port of the SAW transponder that reflects the impedance change of the GMI sensor.",

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AU - Li, Bodong

AU - Salem, Nedime Pelin M. H.

AU - Giouroudi, Ioanna

AU - Kosel, Jürgen

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AB - Passive and remote sensing technology has many potential applications in implantable devices, automation, or structural monitoring. In this paper, a tri-layer thin film giant magnetoimpedance (GMI) sensor with the maximum sensitivity of 16%/Oe and GMI ratio of 44% was combined with a two-port surface acoustic wave(SAW) transponder on a common substrate using standard microfabrication technology resulting in a fully integrated sensor for passive and remote operation. The implementation of the two devices has been optimized by on-chip matching circuits. The measurement results clearly show a magnetic field response at the input port of the SAW transponder that reflects the impedance change of the GMI sensor.

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Integration of thin film giant magnetoimpedance sensor and surface acoustic wave transponder

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