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Design and Simulation of PDMS-Based Dry Electrode with Impurities
Publié en 2015
COMSOL Multiphysics software was used to simulate the working of the electrode. The piezoelectric device physics was used to evaluate the displacement created and the potential generated due to piezoelectricity of PDMS. The potential created due to the flow of bio-signals between neurons results in the deformation of the first PDMS layer due to anti-piezoelectric effect which results in potential being conducted by the subsequent metal layers of gold and titanium, which also provides the electrical contact for the external circuit. The outer PDMS layer serves the role of covering this setup and also acts as the substrate for fabrication process.
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