Multilayer piezoelectric element

Details Multilayer piezoelectric element Multilayer piezoelectric element

2007-06-19

2007-06-19

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S364000, C310S366000

Reexamination Certificate

active

11018523

ABSTRACT:
A multilayer piezoelectric element includes first and second internal electrodes laminated alternately, and a piezoelectric layer disposed therebetween. The first internal electrodes are connected to each other, and the second internal electrodes are connected to each other, via through holes that penetrate the piezoelectric layer in the laminated direction. The first internal electrode is formed so that its periphery portion is exposed on the side face of the multilayer piezoelectric element. The second internal electrode is formed so that its periphery portion is positioned inside the side face.

REFERENCES:
patent: 6369487 (2002-04-01), Kameda et al.
patent: 2004/0174094 (2004-09-01), Sasaki et al.
patent: A 60-128682 (1985-07-01), None
patent: A 2000-261055 (2000-09-01), None
patent: A 2001-260349 (2001-09-01), None
patent: A 2002-254634 (2002-09-01), None

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