Effects of fabrication materials and methods on flexible resonant sensor signal quality
Inductor–capacitor (LC) resonant sensors can provide low-cost, contactless measurement in
closed environments. In this work, three fabrication methods to produce flexible LC sensors
are compared: screen-printed pastes, etched copper-coated polyimide, and wound metal
wires. The LC sensors were interrogated by near-field coupled antennas driven by a vector
network analyzer. The sensor response was analyzed by extracting the resonant frequency
(MHz) and the peak-to-peak amplitude (dB) of the S 21 scattering parameter. For screen …
closed environments. In this work, three fabrication methods to produce flexible LC sensors
are compared: screen-printed pastes, etched copper-coated polyimide, and wound metal
wires. The LC sensors were interrogated by near-field coupled antennas driven by a vector
network analyzer. The sensor response was analyzed by extracting the resonant frequency
(MHz) and the peak-to-peak amplitude (dB) of the S 21 scattering parameter. For screen …
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