| 发明名称 |
STRUCTURE AND FIXING METHOD FOR CERAMIC SEALED CRYSTAL UNIT |
| 摘要 |
PURPOSE:To fix a crystal unit accurately and stably by supporting the crystal unit by a flange part so that the flange part provided to the circumference of the ceramic case fixed to the crystal unit will touch the edge of the hole provided to circuit substrate. |
| 申请公布号 |
JPS5371597(A) |
申请公布日期 |
1978.06.26 |
| 申请号 |
JP19760147339 |
申请日期 |
1976.12.08 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
HIRASAWA KATSUHIKO |
| 分类号 |
H05K1/18;H03H9/02;H03H9/05 |
主分类号 |
H05K1/18 |
| 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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