发明名称 |
ELASTIC SURFACE WAVE FILTER |
摘要 |
PURPOSE:To constitute an elastic surface wave filter by forming the crossed finger type electrode on the single crystal substrate of glass, etc. and then by placing the piezoelectric ceramic plate on the electrode with a slight space between. Thus, a good performance is secured for the filter with no wire breakage of the electrode. |
申请公布号 |
JPS52136540(A) |
申请公布日期 |
1977.11.15 |
申请号 |
JP19760054044 |
申请日期 |
1976.05.11 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NAKAJIMA YASUO;NAGATA TAKASHI;HAGIWARA KIYOKAZU |
分类号 |
H03H9/145;H03H3/08;H03H9/02;H03H9/64 |
主分类号 |
H03H9/145 |
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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