| 发明名称 |
LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC DEVICE |
| 摘要 |
There is provided a piezoelectric device comprising a first electrode, a piezoelectric layer that is formed above the first electrode, a second electrode that is formed above the piezoelectric layer and a coating layer that is formed above the second electrode consisting of tungsten or titanium. |
| 申请公布号 |
US2014104345(A1) |
申请公布日期 |
2014.04.17 |
| 申请号 |
US201314132677 |
申请日期 |
2013.12.18 |
| 申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SHIMIZU TOSHIHIRO;ITO HIROSHI;KATO JIRO;HIRAI EIJU |
| 分类号 |
B41J2/045;H01L41/047 |
主分类号 |
B41J2/045 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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