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Towards fully printed, antenna-based proximity sensors
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2012 (English)In: Zhongguó wùli xuékan, ISSN 0577-9073, Vol. 50, no 6, 910-918 p.Article in journal (Refereed) Published
Abstract [en]

In this work, we describe proximity sensors using functional coatings as sensing elements. The planar inductor-capacitor resonant circuit is fabricated by conventional PCB fabrication techniques and also by using low cost drop-on-demand inkjet printing technology. The permittivity and conductivity is changing in the system as a function of humidity, which simulates the presence of a body. This change in turn modifies the resonant frequency of the sensor. The performance of the fabricated proximity sensors are good, especially using the PCB resonant circuit and the gypsum / sodium-hydrogen titanate nanowire composites as sensitizing elements.

Place, publisher, year, edition, pages
2012. Vol. 50, no 6, 910-918 p.
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-66422DOI: 10.6122/CJP.50.910ISI: 000313547300003OAI: diva2:607374
Available from: 2013-02-22 Created: 2013-02-19 Last updated: 2013-02-22Bibliographically approved

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Kordas, Krisztian
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