发明名称 |
Surface mount type piezoelectric vibrator, oscillator, electronic device, and radio clock |
摘要 |
A surface mount type piezoelectric vibrator comprises a piezoelectric vibrator piece having an electrode, an airtight container made of glass or a ceramic material for encapsulating the piezoelectric vibrator piece, and an external terminal formed on an exterior surface of the airtight container and connected to the electrode of the piezoelectric vibrator piece. The external terminal comprises a metal alloy of Ni and Cr. A film of Au is formed on a surface of the metal alloy of Ni and Cr.
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申请公布号 |
US7358652(B2) |
申请公布日期 |
2008.04.15 |
申请号 |
US20060326142 |
申请日期 |
2006.01.05 |
申请人 |
SEIKO INSTRUMENTS INC. |
发明人 |
ARATAKE KIYOSHI;SATO KEIJI |
分类号 |
H01L41/053;H01L41/047 |
主分类号 |
H01L41/053 |
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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