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发明授权
CN102225664B 液体喷射头及液体喷射装置和压电元件 失效 - 权利终止

液体喷射头及液体喷射装置和压电元件
摘要：
本发明提供具有可抑制压电体层发生裂纹、且绝缘性出色的压电元件的液体喷射头及液体喷射装置和压电元件。该液体喷射头具备：与喷射液体的喷嘴开口连通的压力发生室、和使该压力发生室发生压力变化的压电元件，该压电元件由第一电极(60)、形成在该第一电极上的压电体层(70)、和形成在所述压电体层的与所述第一电极相反一侧的第二电极(80)构成，在所述压电体层中形成有粒状的域(511)。
摘要（英）：

A liquid ejecting head including a pressure generating chamber that communicates with a nozzle opening that ejects liquid and a piezoelectric element that generates a pressure change in the pressure generating chamber. The piezoelectric element includes a first electrode, a piezoelectric body layer that is formed on the first electrode which includes a grain-shaped region, and a second electrode that is formed on a side of the piezoelectric body layer that is opposite to the first electrode.

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