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Advanced Materials

A Spider-Web-Like Highly Expandable Sensor Network for Multifunctional Materials

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Abstract

A multiscale method that allows a noninvasive and precise integration of thousands of nano- or microscale electronic devices into large macroscopic materials or structures of any 3D shape and rigidity is demonstrated. An array of microsensors (for strain and temperature) is built on a spider-web-like, highly expandable and flexible polyimide substrate that is engineered in such a way as to allow unique area dilatations.

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