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Development of a RFID sensitive tag dedicated to the monitoring of the environmental corrosiveness for indoor applications

I. El Masri B. Lescop P. Talbot G. Nguyen Vien J. Becker D. Thierry Stéphane Rioual 1
1 Lab-STICC_UBO_MOM_DIM
IBNM - Institut Brestois du Numérique et des Mathématiques, Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : The environmental corrosiveness is governed for indoor applications by the presence of gaseous pollutants in air and levels of temperature and relative humidity. Its determination is a challenging task and requires the monitoring of thickness reduction of selected metals in the range of few tens of nanometers. The present work aims at developing an UHF RFID sensor dedicated to such measurements. The sensor is based on the coupling between the antenna of a commercial RFID tag and a thin layer of copper exposed to the environment. The ability of the proposed sensor to be sensitive to a variation of the metal thickness in the range of tens of nanometers is demonstrated experimentally through exposure tests in a climatic chamber. The results are supported by electromagnetic simulations performed in the case of a coupling between a dipolar antenna and a thin metallic layer.
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Submitted on : Wednesday, October 14, 2020 - 8:50:15 AM
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I. El Masri, B. Lescop, P. Talbot, G. Nguyen Vien, J. Becker, et al.. Development of a RFID sensitive tag dedicated to the monitoring of the environmental corrosiveness for indoor applications. Sensors and Actuators B: Chemical, Elsevier, 2020, 322, pp.128602. ⟨10.1016/j.snb.2020.128602⟩. ⟨hal-02943737⟩

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