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June, 2020


Functional Wearable Tech with “Breathable” Electronics


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thin — only a few micrometers thick,” says Shanshan Yao, co-author of the paper and a former postdoctor- al researcher at NC State, who is now on faculty at Stony Brook Uni- versity. “This allows for better con- tact with the skin, giving the elec- tronics a better signal-to-noise ratio. “And, gas permeability of wear-


able electronics is important for more than just comfort,” Yao says. “If a wearable device is not gas perme- able, it can also cause skin irrita- tion.” To demonstrate the material’s potential for use in wearable elec- tronics, the researchers developed and tested prototypes for two repre- sentative applications. The first prototype consisted of


skin-mountable, dry electrodes for use as electrophysiologic sensors. These have multiple potential appli- cations, such as measuring electro- cardiography (ECG) and electromyo- graphy (EMG) signals. “These sensors were able to


record signals with excellent quality, on par with commercially available


electrodes,” Zhu says. The second prototype demon-


strated textile-integrated touch sens- ing for human-machine interfaces (HMIs). The authors used a wearable textile sleeve integrated with the porous electrodes to play computer games, such as Tetris. “If we want to develop wearable


Breathable electronic fabric sleeve, able to function as a controller for electronic devices.


sensors or user interfaces that can be worn for a significant period of time, we need gas-permeable electronic materials,” Zhu says. “So this is a significant step forward.” Web: www.news.ncsu.edu r


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Contents


Tech-Op-Ed ........................... 4 Tech Watch ........................... 10 People.................................... 12 Business News......................... 14 Business Briefs........................ 15 Management......................... 16 EMS .................................... 18 ElectronicMfg. Prods............. 24 Production............................ 42 Partnering............................. 44 Distribution........................... 46 New Products....................... 58 High-Tech Events................... 72 Editorial Calendar................. 72 Advertisers Index................... 74


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Special Focus: Components and Distribution................................48


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