发明名称 Piezoelectric element, liquid ejecting head, liquid ejecting apparatus
摘要 A piezoelectric element comprises a piezoelectric layer and an electrode provided to the piezoelectric layer. The piezoelectric layer has a Perovskite-type structure containing bismuth and iron, and includes nitrogen in an oxygen site of the Perovskite-type structure.
申请公布号 US8746853(B2) 申请公布日期 2014.06.10
申请号 US201113338055 申请日期 2011.12.27
申请人 Seiko Epson Corporation 发明人 Miyazawa Hiromu;Tamura Hiroaki
分类号 B41J2/045 主分类号 B41J2/045
代理机构 代理人
主权项 1. A piezoelectric element comprising: a piezoelectric layer; and an electrode provided to the piezoelectric layer, wherein the piezoelectric layer has a Perovskite-type structure containing bismuth and iron and having a plurality of expected n-type defects, and includes nitrogen that has been doped to an oxygen site of the Perovskite-type structure, an amount of the nitrogen doped to the oxygen site corresponding to the plurality of expected n-type defects.
地址 Tokyo JP