发明名称 |
PIEZOELECTRIC CERAMIC FILTER |
摘要 |
PURPOSE:To remove the unnecessary oscillations other than the main oscillation by turning the electrode for oscillation excitation, and thus to obtain a piezoelectric seramic filter which can be used in a high frequency without deteriorating the mechanical strength in spite of a thin depth of the piezoelectric ceramic thin plate. |
申请公布号 |
JPS52142948(A) |
申请公布日期 |
1977.11.29 |
申请号 |
JP19760060510 |
申请日期 |
1976.05.24 |
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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