Integrated passive and wireless sensor for magnetic fields, temperature and humidity

Bodong Li, Omar Yassine, Jürgen Kosel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

This paper presents a surface acoustic wave-based passive and wireless sensor that can measure magnetic field, temperature and humidity. A thin film giant magnetoimpedance sensor, a thermally sensitive LiNbO3 substrate and a humidity sensitive hydrogel are integrated together with a surface acoustic wave transducer to realize the multifunctional sensor. The device is characterized using a network analyzer under sequentially changing humidity, temperature and magnetic field conditions. The first hand results show the sensor response to all three sensing parameters with small temperature interference on the magnetic signals. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013 IEEE SENSORS
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)9781467346405
DOIs
StatePublished - Nov 2013

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