In this paper, a capacitive temperature sensor based on polyvinylidene fluoride (PVDF) capacitor is explored. The PVDF capacitor is characterized below its Curie temperature. The capacitance of the PVDF capacitor changes vs temperature with a sensitivity of 16pF/°C. The linearity measurement of the capacitance-temperature relation shows less than 0.7°C error from a best fit straight line. An LC oscillator based temperature sensor is demonstrated based on this capacitor.
|Original language||English (US)|
|Title of host publication||2015 IEEE 58th International Midwest Symposium on Circuits and Systems (MWSCAS)|
|Publisher||Institute of Electrical and Electronics Engineers (IEEE)|
|State||Published - Oct 1 2015|