| 发明名称 |
PIEZOOELECTRIC CERAMIC WAVE FILTER |
| 摘要 |
PURPOSE:To provide an oscillator substrate available for high frequency without deteriorating its mechanical strength even when a piezo-electric ceramic thin plate used for a piezo-electric ceramic wave filter is made thin. |
| 申请公布号 |
JPS52142458(A) |
申请公布日期 |
1977.11.28 |
| 申请号 |
JP19760059242 |
申请日期 |
1976.05.21 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
HAGIWARA KIYOKAZU;NAKAJIMA YASUO;NAGATA TAKASHI;SHIMIZU KAORU;UCHIDA KEIJI |
| 分类号 |
H03H9/17;H03H9/56 |
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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