Piezoelectric vibrating piece with extended supporting arms

Details Piezoelectric vibrating piece with extended supporting arms Piezoelectric vibrating piece with extended supporting arms

2011-07-19

2011-07-19

SanMartin, J. (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

07982374

ABSTRACT:
Piezoelectric vibrating pieces are disclosed made of a piezoelectric material to be mounted in a package. A representative piece includes a base formed of a piezoelectric material, having first and second ends, extending between the ends in a length direction, and having a designated width. The piece includes at least a pair of vibrating arms extending in the length direction from one end of the base, and a pair of supporting arms extending partially in a width direction from between the first and second ends of the base. The supporting arms further extend in the length direction outboard of the base and vibrating arms, and include an adhesive region at the tips of the supporting arms. The adhesive regions are used for mounting the piece to a package. Whereas the tips of the supporting arms do not extend beyond the tips of the vibrating arms, the axial length of supporting arms is greater than the length of the vibrating arms.

REFERENCES:
patent: 7015631 (2006-03-01), Hirasawa et al.
patent: 7067966 (2006-06-01), Tanaya
patent: 7205708 (2007-04-01), Yamada
patent: 2006/0082261 (2006-04-01), Tanaya
patent: 2004-173218 (2004-06-01), None
patent: 2005-102138 (2005-04-01), None
patent: 2006-148857 (2006-06-01), None

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