M. Janda, S. Pretl, Michaela Radouchová, D. Michal, S. Lotfi, J. Řeboun
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Abstract
In this paper, the usability of a thermoplastic polyurethane foil laminated on a textile substrate in the field of stretchable electronics is explored. Based on the mechanical properties of a TPU foil and textile substrates, the maximal possible stretchability is defined. Then, realization of a conductive structures on TPU foils by a direct ink writing system is examined. The stretchability of conductive printed traces is rated based on the electrical resistance changes during mechanical stretching. Different shapes of traces are analyzed to avoid interruption in the expansion range, which is in the elastic deformation zone of the TPU film and textile substrate.
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