Piezoelectric vibrating reed and piezoelectric vibrator
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United States of America Patent
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Feb 28, 2017
Grant Date -
Jul 28, 2016
app pub date -
Jan 21, 2016
filing date -
Jan 26, 2015
priority date (Note) -
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Abstract
A pair of vibrating arms are arranged side by side in a second direction crossing the first direction, base end sides of which in the first direction are fixed to the base, a pair of inclined surfaces are formed in both sides of the base end of the vibrating arm in the second direction, an end portion in the base end side of an inner inclined surface is connected to an end surface in the tip end side of the base, and an end portion in the base end side of an outer inclined surface is connected to an end surface of the base in the second direction, and the base-end side end portion of the outer inclined surface is arranged closer to the tip end side than the base-end side end portion of the inner inclined surface.
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