IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Dual-polarized chipless humidity sensor tag
Sumra ZebAyesha HabibJaveria Anum SattiYasar AminJonathan LooHannu Tenhunen
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JOURNALS FREE ACCESS

2017 Volume 14 Issue 21 Pages 20170926

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Abstract

In this letter, a miniaturized, flexible and high data dense dual-polarized chipless radio frequency identification (RFID) tag is presented. The tag is designed within a minuscule footprint of 29 × 29 mm2 and has the ability to encode 38-bit data. The tag is analyzed for flexible substrates including Kapton® HN DuPont™ and HP photopaper. The humidity sensing phenomenon is demonstrated by mapping the tag design, using silver nano-particle based conductive ink on HP photopaper substrate. It is observed that with the increasing moisture, the humidity sensing behavior is exhibited in RF range of 4.1–17.76 GHz. The low-cost, bendable and directly printable humidity sensor tag can be deployed in a number of intelligent tracking applications.

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© 2017 by The Institute of Electronics, Information and Communication Engineers
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