Performance Characteristics of ‘Triangle-Like’ Shape Textile Antennas

Ooi, Pei Cheng; Pak, Sergey; Chin, Jit Kai; Angkawisittpan, Niwat

doi:10.7726/jvamc.2013.1003-1

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…Typical, wearable textile antennas are patch antennas in which the antenna patch is made out of conductive material. In the case of a textile antenna, commercially available conductive coated textile materials, conductive yarns for embroidery or conductive inks can be used [1,[4][5][6][7][8][9][10]. A non-conductive off-theshelf fabric serves as the substrate for the textile antenna.…”

Section: Introductionmentioning

confidence: 99%

Performance Study of Screen-Printed Textile Antennas after Repeated Washing

Kazani

Declercq

Scarpello

et al. 2014

Autex Research Journal

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The stability of wearable textile antennas after 20 reference washing cycles was evaluated by measuring the reflection coefficient of different antenna prototypes. The prototypes’ conductive parts were screen-printed on several textile substrates using two different silver-based conductive inks. The necessity of coating the antennas with a thermoplastic polyurethane (TPU) coating was investigated by comparing coated with uncoated antennas. It is shown that covering the antennas with the TPU layer not only protects the screen-printed conductive area but also prevents delamination of the multilayered textile fabric substrates, making the antennas washable for up to 20 cycles. Furthermore, it is proven that coating is not necessary for maintaining antenna operation and this up to 20 washing cycles. However, connector detachment caused by friction during the washing process was the main problem of antenna performance degradation. Hence, other flexible, durable methods should be developed for establishing a stable electrical connection.

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