Fig. 11
From: Reconfigurable flexible metasurfaces: from fundamentals towards biomedical applications
Electronic skins related applications. a Epidermal electronics work at undeformed and stretched states. Reproduced with permission from [64], copyright AAAS, 2011. b Optical micrograph of flexible PCB and surface-mounted electronic components. Reproduced with permission from [134], copyright AAAS, 2018. c A battery-free epidermal electronic device work in wet state. Reproduced with permission from [135], copyright John Wiley and Sons, 2018