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INTEGRATED PIEZORESISTIVE AND PIEZOELECTRIC FUSION FORCE SENSOR
INTEGRATED PIEZORESISTIVE AND PIEZOELECTRIC FUSION FORCE SENSOR
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机译:集成抗压和压电融合力传感器
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摘要
Described herein is a ruggedized microelectromechanical ("MEMS") force sensor including both piezoresistive and piezoelectric sensing elements and integrated with complementary metal-oxide-semiconductor ("CMOS") circuitry on the same chip. The sensor employs piezoresistive strain gauges for static force and piezoelectric strain gauges for dynamic changes in force. Both piezoresistive and piezoelectric sensing elements are electrically connected to integrated circuits provided on the same substrate as the sensing elements. The integrated circuits can be configured to amplify, digitize, calibrate, store, and/or communicate force values electrical terminals to external circuitry.
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