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 |
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代理人 |
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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.
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地址 |
Tokyo JP |