Piezoelectric device with a package including a convex part

摘要

A piezoelectric device includes: a piezoelectric vibrating reed; and a package, wherein the piezoelectric vibrating reed has a vibrating part and first and second supporting arms extending from a base end part, the package has a base, a lid, a cavity defined by the base and the lid, a convex part projecting from the base or the lid into the cavity, a length of the first supporting arm is shorter than a length of the second supporting arm, and the convex part is provided in a range ahead of a leading end of the first vibrating arm in an extension direction of the first supporting arm and at least partially overlapping with the second supporting arm in a length direction of the piezoelectric vibrating reed so as not to overlap with the piezoelectric vibrating reed in a plan view.

主权项

1. A vibrator comprising:
a vibrating reed including a vibrating part and first and second supporting parts that support the vibrating part; a package in which the vibrating reed is mounted, the package including a base and a lid fixed to the base; and a vent that penetrates the package from an interior to an exterior thereof, the vent being sealed by a sealing material, wherein the first and second supporting parts are fixed to the base, a length of the first supporting part is less than a length of the second supporting part, and the sealing material is positioned outside an area where the vibrating reed is located in a plan view, and the sealing material is located closer to the first supporting part than the second supporting part.