| 发明名称 |
ELASTIC SURFACE WAVE FILTER |
| 摘要 |
PURPOSE:To enhance the filtering property by securing a such structure that the conductive material may not put close to both surface of the piezoelectric substance which has a crossed finger type electrode. |
| 申请公布号 |
JPS52136542(A) |
申请公布日期 |
1977.11.15 |
| 申请号 |
JP19760054046 |
申请日期 |
1976.05.11 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
IKUSHIMA HIROSHI;ARAI TAKENOBU |
| 分类号 |
H03H9/25;H03H3/08;H03H9/10 |
主分类号 |
H03H9/25 |
| 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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