Integration method for electronics in woven textiles

Zysset, C, Kinkeldei, T W, Münzenrieder, N, Cherenack, K and Troster, G (2012) Integration method for electronics in woven textiles. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2 (7). pp. 1107-1117. ISSN 2156-3950

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This paper presents a technology to integrate electronics at the thread level in woven textiles. Flexible plastic substrates are cut into stripes and serve as carriers for electronics, including ICs, thin-film devices, interconnect lines, and contact pads. These functionalized plastic stripes, called e-stripes, are woven into textiles. Conductive threads perpendicular to the e-stripes electrically interconnect the devices on the individual e-stripes. The integration of e-stripes and conductive threads into the woven textiles is compatible with commercial weaving processes and suitable for large-scale manufacturing. We demonstrate the technology with a woven textile containing five e-stripes with digital temperature sensors. Conductive threads interconnect the e-stripes among each other to form a bus topology. We show that the contacts between the conductive threads and the pads on e-stripes as well as the contacts between the temperature sensors and e-stripes withstand shear forces of at least 20 N. The integration of the temperature sensors into the textile increases the bending rigidity of the textile by 30%; however, it is still possible to obtain a textile-bending radii of <;1 mm. This technology seamlessly integrates electronics into textiles, thus advancing the field of smart textiles and wearable computing.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: Niko Munzenrieder
Date Deposited: 06 Feb 2015 14:44
Last Modified: 06 Feb 2015 14:44
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