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Document type:
Zeitschriftenaufsatz 
Author(s):
Fernández Salmerón, J.; Rivadeneyra, A.; Carvajal Rodriguez, M.; Caitan-Vallvey, L.; Palma Lopez, A. 
Title:
HF RFID tag as humidity sensor: Two different approaches 
Abstract:
This paper describes printed resonant structures on a flexible substrate for humidity detection. The devices consist of a screen-printed spiral inductor working as RFID antenna and two different inkjet-printed planar capacitive structures forming LC resonators. The sensitive material is directly the chosen substrate: a polyimide whose electrical permittivity is dependent on the moisture content. Therefore, no extra sensitive layer is required to functionalize these structures. In particular, two...    »
 
Keywords:
Moisture content frequency shift moisture content polyimide printed electronics 
Journal title:
IEEE Sensors Journal (Volume:15 , Issue: 10 ) 2015-10 
Year:
2015 
Year / month:
2015-10 
Quarter:
4. Quartal 
Month:
Oct 
Pages contribution:
5726 - 5733 
Language:
en 
Publisher:
IEEE Xplore Digital Library 
Print-ISSN:
1530-437X