发明名称 |
Piezoelectric oscillator, portable telephone unit using piezoelectric oscillator, and electronic equipment using piezoelectric oscillator |
摘要 |
To provide a piezoelectric oscillator in which the size in the thickness direction can be made smaller and the space required for mounting can be made smaller, and a portable telephone and electronic equipment using the piezoelectric oscillator, a resonator package accommodating a piezoelectric resonating element therein, and an IC chip fixed onto a rear surface of the resonator package and having an oscillating circuit therein are provided, and an inner lead portions of a lead frame are fixed onto the rear surface of the resonator package and the resonator package and the IC chip are resin molded except for an outer lead portion of the lead frame.
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申请公布号 |
US2004245895(A1) |
申请公布日期 |
2004.12.09 |
申请号 |
US20040797196 |
申请日期 |
2004.03.11 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
SHIMODAIRA KAZUHIKO;NAKAJIMA YUKARI;KOYAMA YUGO;MIYAZAKI KATSUHIKO |
分类号 |
H03B5/32;H03B5/36;(IPC1-7):H03B5/32 |
主分类号 |
H03B5/32 |
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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