Metal working – Piezoelectric device making
Reexamination Certificate
2006-01-17
2006-01-17
Tugbang, A. Dexter (Department: 3729)
Metal working
Piezoelectric device making
C029S890100, C029S846000, C310S328000, C310S365000
Reexamination Certificate
active
06986189
ABSTRACT:
In order to simplify a step of forming a conductive layer for external connection and improve the reliability thereof, at least either internal individual electrodes or internal common electrodes, which comprise of a piezoelectric vibrator, are connected with each other at through holes situated spaced away from an end face of the piezoelectric vibrator and connected to either a segment electrode of a common electrode, which are formed on one surface in a longitudinal direction of the piezoelectric vibrator. According, it is not necessary to form a conductive layer on the end face or a corner portion where such a layer is hardly formed. Furthermore, even if such portions are slightly broken, the conductivity can be maintained.
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Seiko Epson Corporation
Tugbang A. Dexter
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