As the number of force applications to the same contact point increased, the pressure threshold for triggering conduction showed a decreasing trend.
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Modeling and Relative Permittivity Modulation of Cu/PDMS Capacitive Flexible Sensor for Pressure Sensing.
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The sentences
Under the condition of keeping the dimensions of the dielectric layer consistent, the relative dielectric constant of the Cu/CB/PDMS composite material generally shows an increasing trend with the increase in CB particle content.