Patent ID: 8415862

Claim:
A piezoelectric vibrator comprising: a package including a first substrate and a second substrate bonded to each other and defining a cavity therebetween; an internal electrode portion on the first substrate and housed in the cavity; piezoelectric vibrating reed sealed in the cavity and electrically connected to the internal electrode portion in the cavity by a bump connection; an external electrode portion on an external surface of the first substrate, the external electrode portion including a metal having a high solder affinity; a through electrode portion that is not overlapped by the bump connection or by the external electrode portion in a thickness direction of the first substrate, one end of the through electrode portion electrically connected to the internal electrode portion and another end of the through electrode portion on the external surface of the first substrate and penetrating through the first substrate; and a routing wiring portion electrically connecting the through electrode portion and the external electrode portion, the routing wiring portion including a metal having a low solder affinity relative to the external electrode portion.