ULTRASONIC SENSOR
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United States of America Patent
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-
N/A
Issued Date -
Feb 21, 2013
app pub date -
Aug 7, 2012
filing date -
Aug 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed herein is an ultrasonic sensor including: a conductive case; a piezoelectric element fixed to a bottom surface of the case through a conductive adhesive; a temperature compensation capacitor positioned on the piezoelectric element; a first lead wire and electrically connected to one surface of the temperature compensation capacitor; a first wire electrically connecting one surface of the temperature compensation capacitor and the case to each other; a second lead wire and electrically connected to the other surface of the temperature compensation capacitor; a second wire electrically connecting the other surface of the temperature compensation capacitor and an upper surface of the piezoelectric element to each other; and a fixing part fixing the first lead wire and the first wire to one surface of the temperature compensation capacitor and fixing the second lead wire and the second wire to the other surface thereof.
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