Vibrating element, vibrator, oscillator, and electronic device
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United States of America Patent
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May 12, 2015
Issued Date -
N/A
app pub date -
Mar 9, 2012
filing date -
Mar 9, 2011
priority date (Note) -
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Abstract
A vibrating element includes a piezoelectric substrate having an excitation section adapted to excite a thickness-shear vibration, and provided with a step section in each of side surfaces on both ends, and a peripheral section having a thickness smaller than a thickness of the excitation section, and the peripheral section has at least one projection section disposed on both principal surfaces in an area where a vibratory displacement when the excitation section excites a vibration is sufficiently attenuated.
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