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This article focuses on characterization of screen printed electrical interconnects for wearable applications. The interconnects are screen printed with stretchable silver-based ink on a thermoplastic polyurethane film. By optimizing the process parameters, we were able to fabricate 200 µm line widths with spacing of 200 µm. The average sheet resistance is 36.2 mΩ/□, however...
Bend sensors are composed of a flexible substrate and a conductive layer, which changes its electrical resistance with the bending or the angular displacement. They are flexible, light and low-cost devices, usually adopted to measure the human joint motion. For example, bend sensors can be mounted over the elbow, the knee or the finger measuring their angular position. Commercially, different types...
Stretchable circuits have the potential to enable integrating electronics in everyday objects, but also skin-like, imperceptible electronic applications. However, manufacturing stretchable electronics requires developing novel manufacturing methods and using novel materials at least as substrate. Since the elastic materials for stretchable electronics are relatively soft, using traditional manufacturing...
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