Towards clothing-like neural sensing and stimulation: thin, but robust, wearable electronics

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The emerging technology of wearable biosensors based on flexible electronics technology is making a greatimpact on the rehabilitation of patients. The transition of form factor of sensory electronics from rigid toflexible allowed unprecedented comfort to the patients, especially when worn on the moving parts of body. Thefirst step for the biosensors is to achieve the comfort level that is comparable to wearing clothing on themoving parts of body. The constituting components for flexible electronics are, however, prone to fail due tomodulus mismatch between conducting/computing components and the substrate/encapsulants anddelamination between the components due to the lack of adhesion. Here, we will (i) perform fundamentalresearches on mechanical failure models, (ii) suggest alternative material/device designs based on previouslypublished methods (i.e., no intellectual property issues related to the rules of NSERC Engage project), and (iii)test the mechanical properties of devices that are pertinent to wearability and longevity.