Patent ID: 7439658

Claim:
A piezoelectric vibrator comprising: a hermetically sealed vessel constituted by overlapping a lid member and a base member in a plate-like shape in a thickness direction; a piezoelectric vibrating piece provided at inside of the hermetically closed vessel; a lead-out electrode provided at an overlapping face of the lid member, electrically connected to the piezoelectric vibrating piece by way of a connecting portion, and extending the connecting portion to an edge portion of the overlapping face of the lid member; an external electrode electrically connected to the lead-out electrode from a side face of the hermetically closed vessel; and a bonding film comprising a metal or silicone provided between the overlapping face of the lid member and an overlapping face of the base member; wherein an insulating film is provided between at least the lead-out electrode and the bonding film in between the overlapping face of the lid member and the overlapping face of the base member.