1. Lantern‐Inspired On‐Skin Helical Interconnects for Epidermal Electronic Sensors.
- Author
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Li, Ding, Cui, Tianrui, Jian, Jinming, Yan, Jianlan, Xu, Jiandong, Li, Xin, Li, Zhen, Yan, Anzi, Chen, Zhikang, Shao, Wancheng, Tang, Zeyi, Xu, Zigan, Wu, Guohua, Liu, Houfang, Yang, Yi, and Ren, Tian‐Ling
- Subjects
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METAL fibers , *ELECTRONIC systems , *STRAIN sensors , *DETECTORS , *DETECTOR circuits - Abstract
Epidermal electronics have been attracting considerable attention due to their various potential applications in human‐computer interaction and health monitoring. However, because of the lack of a self‐adhesive and stable interconnect method between epidermal electronic sensors and rigid circuit boards, there remain difficulties in detecting body signals accurately by epidermal electronic sensors in daily life. Here, a 3D helical on‐skin interconnect is first introduced for epidermal electronics sensors. Inspired by the structure of the accordion lantern, the interconnect is composed of two electrospinning polyurethane (PU) fiber films and a helical metal fiber. The helical metal fiber acts as a stable conductor with stretchability, and the PU fiber film with polydimethylsiloxane provides a self‐adhesive substrate. Mechanical simulations and tests prove that the proposed interconnect can laminate conformally and unobtrusively onto human skin with excellent electrical stability (less than 0.5% electrical resistance change upon 100% elongation). Furthermore, based on the proposed interconnect, an all‐in‐one sensor‐interconnect design is presented, which endows the epidermal electronic systems with anti‐motion interference capability. A gesture identification wristband system realized by a single all‐in‐one strain sensor is demonstrated. Besides, a wireless on‐skin system that accurately monitors dynamic 12‐lead electrocardiographic is successfully built using all‐in‐one electrodes. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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