Piezoelectric vibrator, oscillator, electronic instrument, and radio timepiece

摘要

There is provided a piezoelectric vibrator including a piezoelectric vibration reed having a pair of vibrating arm portions and a base portion configured to integrally fix proximal end sides of the pair of vibrating arm portions, a base substrate on which the piezoelectric vibration reed is mounted, and a lid substrate joined to the base substrate and configured to accommodate the piezoelectric vibration reed in a cavity defined between the lid substrate and the base substrate, wherein the base substrate is formed with a first engaging portion, and a second engaging portion configured to engage the first engaging portion and guide the piezoelectric vibration reed to a predetermined mount position of the base substrate and position the same is formed on the base portion of the piezoelectric vibration reed.

主权项

1. A piezoelectric vibrator, comprising:
a base substrate; a piezoelectric vibration reed mounted on the base substrate, the piezoelectric vibration reed comprising:
a pair of vibrating arm portions arranged in parallel to each other; anda base portion configured to integrally fix proximal end sides in the longitudinal direction of the pair of vibrating arm portions; and a lid substrate opposing the base substrate and configured to accommodate the piezoelectric vibration reed in a cavity defined between the lid substrate and the base substrate, wherein the base substrate comprises a first engaging portion, and the base portion of the piezoelectric vibration reed comprises a second engaging portion configured to engage the first engaging portion and guide the piezoelectric vibration reed to a predetermined mount position on the base substrate.