| 发明名称 |
PIEZOOVIBRATOR AND ITS MANUFACTURE |
| 摘要 |
PURPOSE:The concave-convex difference in level is provided on the surface of a piezo-vibrator in order to reduce the number of lines of leak electric force, thereby improving its efficience. |
| 申请公布号 |
JPS5371593(A) |
申请公布日期 |
1978.06.26 |
| 申请号 |
JP19760147329 |
申请日期 |
1976.12.08 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
YAMAZAKI TSUNEO |
| 分类号 |
H03H9/17;H03H3/02;H03H9/19;H03H9/21 |
主分类号 |
H03H9/17 |
| 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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