| 发明名称 |
PIEZOELECTRIC ELEMENT MODULE, ULTRASONIC TRANSDUCER, ULTRASONIC DEVICE, LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT MODULE MANUFACTURING METHOD |
| 摘要 |
A first piezoelectric element having a first piezoelectric layer and a second piezoelectric element having a second piezoelectric layer, which is different from the first piezoelectric layer, are included on the same substrate. The first piezoelectric layer has a d constant greater than a d constant of the second piezoelectric layer. |
| 申请公布号 |
US2014292941(A1) |
申请公布日期 |
2014.10.02 |
| 申请号 |
US201414223293 |
申请日期 |
2014.03.24 |
| 申请人 |
SEIKO EPSON CORPORATION |
发明人 |
KOBAYASHI Tomokazu;NISHIWAKI Tsutomu |
| 分类号 |
B06B1/06;B41J2/045 |
主分类号 |
B06B1/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A piezoelectric element module comprising:
a first piezoelectric element having a first piezoelectric layer; and a second piezoelectric element having a second piezoelectric layer different from the first piezoelectric layer, the first piezoelectric element and the second piezoelectric element being on the same substrate, wherein the first piezoelectric layer has a d constant greater than a d constant of the second piezoelectric layer. |
| 地址 |
Tokyo JP |
