| 摘要 |
A piezoelectric vibrating piece includes an excitation unit in a rectangular shape, a framing portion, and a connecting portion. The excitation unit includes two principal surfaces, a pair of excitation electrodes on the principal surfaces, a first side extending in a first direction, and a second side extending in a second direction. The second side is longer than the first side, and is perpendicular to the first direction. The framing portion surrounds the excitation unit. The connecting portion connects the excitation unit to the framing portion. The connecting portion has a third side which is connected to the first side and extends in the first direction and a fourth side which is connected to the framing portion and extends in the first direction. A thickness of the connecting portion is thinner than that of the framing portion. The third side has a different length from that of the fourth side.
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