| 发明名称 |
PIEZOELECTRIC ELEMENT PART |
| 摘要 |
PURPOSE:Shield effect is provided to a piezoelectric element and energy is confined by affixing a cover plate onto the surface of an insulator substrate including the element. |
| 申请公布号 |
JPS5314593(A) |
申请公布日期 |
1978.02.09 |
| 申请号 |
JP19760089445 |
申请日期 |
1976.07.26 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
SHIMIZU KAORU;UCHIDA KEIJI;KAJITANI TAMOTSU |
| 分类号 |
H03H9/02;H03H9/05;H03H9/56 |
主分类号 |
H03H9/02 |
| 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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