Signal transfer via smart conductive networks for high temperature performing wearable electronics
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Signal transfer via smart conductive networks for high temperature performing wearable electronics Ercan Karabulut1 · Senem Kurşun Bahadır2 Received: 4 May 2020 / Accepted: 3 August 2020 / Published online: 19 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract High temperature performing textile conductive networks for wearable electronic applications are demonstrated. Different types of conductive yarns, namely steel, copper, and silver-coated were used as signal transmission tracks in order to configure the smart conductive network architecture. Conductive networks were formed between the layers of high temperatureresistant fabric substrates which of the following substrates most likely consist of reactively sputtered aluminum particles, polybenzimidazoles (PBI), aramid, and glass fibers. The specimens were constructed using welding and conventional sewing techniques and their operating characteristics in terms of high temperature resistance (limited flame spread, convective heat transfer, radiant heat) and electrical properties (conductivity and signal quality in data transfer) were determined. As a result of thermal tests, the excellent performances among conductive networks are attributed to steel and copper threads used as signal transmission line hidden in the interface among aluminum, 100 % aramid (nonwoven), and epoxy layer used as a substrate. The efficient exploitation of smart conductive networks will boost the viability of data transfer quality among wearable electronic components performing at high temperatures.
1 Introduction Wearable technologies require durability, stretchability, flexibility, and highly efficient devices together with relevant high performances according to specified application field. Such advancements needs more attention and deep research work on the material aspects as well as for the design and development stages particularly easy fabrication stage transfer to mass production. In this regard, extensive work has been carried out to develop flexible conductive networks, sensors, actuators, and power supplies for their use in wearable electronics. With the developing technologies and worldwide digitalization, wearables have started to become a novel type of high-tech products. Wearable technology is mainly used to detect human body signals and they become crucial especially when long-term and continuous body measurements are needed. Flexibility, lightness, and comfort are the * Senem Kurşun Bahadır [email protected] 1
Faculty of Textile Technologies and Design, Istanbul Technical University, Gumussuyu, 34437 Istanbul, Turkey
Faculty of Mechanical Engineering, Istanbul Technical University, Gumussuyu‑Beyoglu, 34437 Istanbul, Turkey
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essential parameters in the concept of wearability. Textiles, besides their protective and aesthetic functions, are preferable for wearable sensors as they are soft and highly flexible and porous. Thus, they can fit around the human skin with allowing the skin to breathe. At th
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