| 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 |
US2015077476(A1) |
申请公布日期 |
2015.03.19 |
| 申请号 |
US201414546595 |
申请日期 |
2014.11.18 |
| 申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SHIMIZU Toshihiro;ITO Hiroshi;KATO Jiro;HIRAI Eiju |
| 分类号 |
B41J2/14;H01L41/047 |
主分类号 |
B41J2/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. 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; a coating layer that is formed above the second electrode consisting of titanium, and a lead electrode that is formed on the piezoelectric layer so as to be electrically connected to the first electrode, the lead electrode containing nickel and chromium. |
| 地址 |
TOKYO JP |
