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Piezoelectric-semiconductor, electromechanical transducer

阅读:157发布:2021-11-06

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1. A STRESS-STRAIN TRANSDUCER COMPRISING AN ACTIVE ELEMENT COMPOSED OF A BODY OF PIEZOELECTRIC MATERIAL HAVING CONDUCTIVE SOURCE AND DRAIN ELECTRODES AT OPPOSITE ENDS THEREOF, AN INSULATING COATING OVER SAID SOURCE AND DRAIN AND PIEZOELECTRIC BODY, AND A CONDUCTIVE GATE ELECTRODE MOUNTED ON SAID INSULATING COATING BETWEEN SAID SOURCE AND DRAIN, MEANS PROVIDING A GATE VOLTAGE TO SAID SOURCE AND GATE, MEANS PROVIDING A DRAIN VOLTAGE TO SAID SOURCE AND DRAIN, CURRENT INDICATING MEANS RESPONDING TO CURRENT FLOW BETWEEN SAID DRAIN AND SAID POWER SOURCE AND MEANS TO APPLY STRESS-STRAIN PRESSURE TO SAID ACTIVE ELEMENT WHEREBY THE CURRENT INDICATED BY SAID CURRENT INDICATING MEANS IS AN ANALOGUE OF THE QUANTUM OF STRESS-STRAIN APPLIED TO SAID ACTIVE ELEMENT.
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