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发明授权
CN102299253B 压电膜、压电装置和液体喷出设备 失效 - 权利终止

压电膜、压电装置和液体喷出设备
摘要：
本发明公开了压电膜、压电装置和液体喷出设备。该压电膜具有由多个圆柱晶体构成的圆柱晶体结构，并且包含由下列表达式(P)所表示的钙钛矿氧化物作为主要成分：PbaAb[(ZrcTi1-c)1-dBd]Oe (P)其中，Pb和A是A位置元素，并且A是从由以下元素所构成的组中选择的至少一种元素：Bi、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Ca、Sr和Ba；Zr、Ti和B是B位置元素，并且B是从由以下元素所构成的组中选择的至少一种元素：Nb、Ta和Sb；a是铅的量，b是元素A的量，c是Zr/Ti比，d是元素B的量，e是氧的量；a、b和d的值满足a＜1、a+b≥1、以及0＜d＜b；并且e的值在获得钙钛矿结构的范围之内并且e＝3是标准的。
摘要（英）：

A piezoelectric film has a columnar crystal structure constituted of a plurality of columnar crystals, and contains a perovskite oxide represented by the following formula (P) as a main component: PbaAb[(ZrcTi1-c)1-dBd]Oe,(P) where Pb and A are A-site elements, and A is at least one element selected from a group consisting of Bi, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ca, Sr and Ba; Zr, Ti and B are B-site elements, and B is at least one element selected from a group consisting of Nb, Ta and Sb; a is an amount of lead, b is an amount of the element A, c is a Zr/Ti ratio, d is an amount of the element B, e is an amount of oxygen; values of a, b and d satisfy a<1, a+b>=1, and 0

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