Piezoelectric devices and methods for manufacturing same

Details Piezoelectric devices and methods for manufacturing same Piezoelectric devices and methods for manufacturing same

2008-09-24

2011-11-22

Dougherty, Thomas (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S344000

Reexamination Certificate

active

08063542

ABSTRACT:
Devices are disclosed that include a piezoelectric vibrating piece; a glass base and lid form a package enclosing the piezoelectric vibrating piece. The piece has first and second electrodes. The base has first and second opposing surfaces. The base mounts the piezoelectric vibrating piece, and the lid seals the piezoelectric vibrating piece in the package. The base includes first and second metal wires, extending therethrough, whose ends are denuded to the first and second surfaces and connected to the first and second electrodes, respectively. In disclosed methods for making the packaged devices, such as piezoelectric oscillators, multiple packaged devices are made simultaneously by stacking and simultaneously bonding respective wafers on which glass bases, piezoelectric vibrating pieces, and lids have been formed.

REFERENCES:
patent: 4065684 (1977-12-01), Hermann et al.
patent: 4639631 (1987-01-01), Chason et al.
patent: 2003-158439 (2003-05-01), None

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