发明名称 |
Heat resistant quartz-crystal unit |
摘要 |
In a crystal unit suitable for use in a thermostat oven, a first and a second excitation electrode are disposed on a first and a second surface of a crystal blank. A first and a second connection are disposed on the second surface as connections formed by applying a fillet of a mixture of a low-melting glass and a metal filler, and melting the fillet by heating. A third connection is disposed on a peripheral edge of the crystal blank to extend over both surfaces. A lead of the first excitation electrode is directly connected to the third connection, while a lead of the second excitation electrode is connected to the first connection through a vapor-deposited metal thin film. The second and third connections are connected to each other through a vapor-deposited metal thin film. The first and second connections are secured to a pair of holding members by brazing.
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申请公布号 |
US2003102778(A1) |
申请公布日期 |
2003.06.05 |
申请号 |
US20020298623 |
申请日期 |
2002.11.15 |
申请人 |
KOKI GENWA;SAITO MIKIO;OBARA SHIGERU;KOYAMA MITUAKI |
发明人 |
KOKI GENWA;SAITO MIKIO;OBARA SHIGERU;KOYAMA MITUAKI |
分类号 |
B23K1/00;H01L41/053;H03H9/02;H03H9/05;H03H9/19;(IPC1-7):H01L41/053 |
主分类号 |
B23K1/00 |
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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