Piezoelectric actuator
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United States of America Patent
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Dec 27, 2016
Issued Date -
N/A
app pub date -
Jan 15, 2016
filing date -
Aug 31, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A piezoelectric actuator is provided, including a vibration plate, a piezoelectric layer, a plurality of individual electrodes arranged in two arrays, first and second common electrodes which have first and second facing portions facing parts of the individual electrodes and first and second connecting portions connecting the first and second facing portions respectively, and first and second wiring portions which are arranged on the vibration plate and which are connected to the first and second common electrodes respectively via first and second connecting wirings, wherein one of the first connecting wirings connects the first connecting portion and one of the first wiring portion while striding over the second connecting portion.
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