Patent ID: 7511405

Claim:
A piezoelectric vibrator comprising: a case constituted by a shape of a bottomed cylinder having an opening portion and having a conductivity; a ring substantially constituted by a shape of a cylinder press-fitted to the opening portion of the case and having a conductivity; one piece of a lead inserted to the ring and having an inner lead portion projected to inside of the case and an outer lead portion projected to outside of the case; a filling member having an insulating property for sealing an interval between the lead and the ring in airtight; and a piezoelectric vibrating piece which is substantially constituted by a shape of a plate arranged at inside of the case and includes exciting electrodes respectively at both faces thereof and in which one of the exciting electrodes is supported by the inner lead portion by being subjected to bump connection to the inner lead portion of the lead and other of the exciting electrodes on a side opposed to one of the exciting electrodes is subjected to wire bonding with the ring.