Rabin & Berdo, P.C.
Stretchable circuit board and method of manufacturing the same
A stretchable circuit board has stretchability as well as flexibility of the flexible substrate and retains mechanical and electrical properties even under larger deformation such as bending, twisting, etc. The liquid metal pattern can exhibit stretchability almost the same as that of the polymer substrate due to the liquid metal being fully wetted on the substrate with metal patterns based on the wetting behavior of the liquid metal. Therefore, the stretchable circuit board can achieve both mechanical and electrical properties even under physical deformation such as bending, stretching and twisting. It is demonstrated that the stretchable circuit board can be effectively applied to wearable tactile interfaces, stretchable solar cell arrays, stretchable displays, and wearable electronic devices.
Industry Foundation of Chonnam National University
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Guangyong Dong-Weon
Li Lee