| 发明名称 |
Piezoelectric actuator and disk drive using the same |
| 摘要 |
A coupling portion (40) couples the separated flexible substrates mounted with respective piezoelectric element units (10a,10b), to suppress wavy response phenomenon of the flexible substrates. An independent claim is also included for disk drive. |
| 申请公布号 |
EP1411560(A2) |
申请公布日期 |
2004.04.21 |
| 申请号 |
EP20030023237 |
申请日期 |
2003.10.14 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
KUWAJIMA, HIDEKI;MATSUOKA, KAORU |
| 分类号 |
G11B21/08;G11B5/48;G11B5/55;G11B5/596;G11B21/10;G11B21/21;H01L41/09;H01L41/22;H01L41/313 |
主分类号 |
G11B21/08 |
| 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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