Washing durability of PDMS-conductive fabric composite

realizing washable UHF RFID tags

Roy B. V. B. Simorangkir*, Duc Le, Toni Björninen, Abu Sadat Md. Sayem, Maxim Zhadobov, Ronan Sauleau

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this letter, we present experimental investigations on washing durability of a polydimethylsiloxane (PDMS)-conductive fabric composite to validate its applicability for the realization of flexible wearable antennas that can withstand multiple washing cycles. For this purpose, we designed an ultrahigh-frequency (UHF) radio frequency identification (RFID) passive tag antenna and fabricated several prototypes using such materials combination. Understanding the challenge of having a robust integration of a lumped electronic component (e.g., RFID IC) on a flexible antenna, a new way to improve the interconnection has also been investigated. The tag prototypes were subjected to recurrent machine-washing tests, and after each washing cycle, their performance was analyzed mainly in terms of the read range. The results reveal that, with a proper treatment on the antenna-IC fixture interconnection, the tag antennas developed with the PDMS-conductive fabric composite can maintain their performance very well, showing a minimum degradation in the read range after 15 cycles of washing.

Original languageEnglish
Pages (from-to)2572-2576
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Volume18
Issue number12
DOIs
Publication statusPublished - Dec 2019

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