Piezoelectric vibrating piece having reduced resistance and high-order vibration suppression
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United States of America Patent
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Sep 29, 2015
Grant Date -
Sep 18, 2014
app pub date -
Mar 13, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A piezoelectric vibrating piece including: a pair of vibrating arm sections which has a groove section, respectively; a base section which is disposed between the pair of vibrating arm sections; and a connecting section which connects each base end of the pair of vibrating arm sections and the base section. If a length from a base end to a leading end of the vibrating arm section in a longitudinal direction of the vibrating arm section is Lv, and a length from the base end of the vibrating arm section to an end of the connecting section on the opposite side to the vibrating arm section is Lc, a relationship of Lc/Lv≧0.1 is satisfied.
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