Stretchable microelectrode is applied in various fields, such as sensory skins for soft robotics and wearable electronics for biomedical patches, etc. The structural quality of the stretchable microelectrode is a significant factor since it influences the thermo-mechanical characteristics. In order to improve the structural quality of the electrode, a serpentine-patterned configuration with various curvature angles of 60°, 90° and 120° were applied to the film of each electrode. In addition, thermal stress was applied at certain voltages to demonstrate the thermo-mechanical characteristics of the serpentine-patterned microelectrode. The numerical analysis on von Mises stress and thermal stress of the electrode was conducted with a commercial code, COMSOL Multiphysics ver. 5.3a. The results were graphically described by showing stress distributions of each case and the microelectrode having highest thermo-mechanical characteristics was derived.
ASJC Scopus subject areas