Invention Grant
US07646140B2 Piezoelectric element containing perovskite type oxide, and liquid jet head and ultrasonic motor using the piezoelectric element 有权
含有钙钛矿型氧化物的压电元件以及使用该压电元件的液体喷射头和超声波电动机

Piezoelectric element containing perovskite type oxide, and liquid jet head and ultrasonic motor using the piezoelectric element
Abstract:
There is disclosed a piezoelectric element having, on a substrate, a piezoelectric body and a pair of electrodes which come in contact with the piezoelectric body, wherein the piezoelectric body consists of a perovskite type oxide represented by the following formula (1): (Bi,Ba)(M,Ti)O3  (1) in which M is an atom of one element selected from the group consisting of Mn, Cr, Cu, Sc, In, Ga, Yb, Al, Mg, Zn, Co, Zr, Sn, Nb, Ta and W, or a combination of the atoms of the plurality of elements.
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