| 发明名称 |
Piezoelectric actuator, motor, robot hand, and robot |
| 摘要 |
A motor includes a vibrating plate having a projection part to be pressed against a driven member and a piezoelectric material provided on the vibrating plate, wherein a Young's modulus EL in the pressing direction of the vibrating plate and a Young's modulus ES in a direction crossing the pressing direction are different.
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| 申请公布号 |
US8525387(B2) |
申请公布日期 |
2013.09.03 |
| 申请号 |
US201213431047 |
申请日期 |
2012.03.27 |
| 申请人 |
KAMIJO KOICHI;MIYAZAWA OSAMU;SAWADA AKIHIRO;NAGAHAMA REIKO;SEIKO EPSON CORPORATION |
发明人 |
KAMIJO KOICHI;MIYAZAWA OSAMU;SAWADA AKIHIRO;NAGAHAMA REIKO |
| 分类号 |
H01L41/08 |
主分类号 |
H01L41/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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