发明名称 |
Temperature compensated piezoelectric ceramic resonator unit |
摘要 |
A thickness mode piezoelectric ceramic resonator is connected in series with a ceramic capacitor to form a piezoelectric ceramic resonator unit. When the ceramic capacitor has a capacitance Ca and the resonator is associated with a damped capacitor having a capacitance Co, these capacitances are related to each other by a relationship, Co</=Ca</=30 Co.
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申请公布号 |
US4384229(A) |
申请公布日期 |
1983.05.17 |
申请号 |
US19810233141 |
申请日期 |
1981.02.10 |
申请人 |
NIPPON ELECTRIC CO., LTD. |
发明人 |
INOUE, TAKESHI;TAKAHASHI, SADAYUKI |
分类号 |
H03H3/04;H03H9/02;H03H9/05;H03H9/17;(IPC1-7):H01L41/08 |
主分类号 |
H03H3/04 |
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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