Piezoelectric resonator element package, and piezoelectric...

Details Piezoelectric resonator element package, and piezoelectric... Piezoelectric resonator element package, and piezoelectric...

2005-03-11

2008-09-23

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S366000

Reexamination Certificate

active

07427822

ABSTRACT:
A piezoelectric resonator element package has a base that holds a piezoelectric resonator element on which drive electrodes are formed, and a cap. Four electrode pads are formed in corners of an internal bottom surface of the base. Of the four electrode pads, the first electrode pad and second electrode pad have the different potential. The first electrode pad and third electrode pad have the same potential because of a first connecting electrode. The second electrode pad and fourth electrode pad have the same potential because of a second connecting electrode. An avoidance means is provided for avoiding electrical connection between electrode pads that have the different potential (the first electrode pad and second electrode pad) and the other electrode pads that have the same potential (the first electrode pad and third electrode pad, and the second electrode pad and fourth electrode pad).

REFERENCES:
patent: 5585687 (1996-12-01), Wakabayashi et al.
patent: 5699027 (1997-12-01), Tsuji et al.
patent: 5982077 (1999-11-01), Ide et al.
patent: 2000-269768 (2000-09-01), None
patent: 2001-345664 (2001-12-01), None
patent: 2002-158558 (2002-05-01), None

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