发明名称 |
HERMETIC CRYSTAL PACKAGES |
摘要 |
<p>The invention concerns a method of manufacturing a hermetically sealed crystal resonator package. In a preferred embodiment circular ceramic layers are laser cut from blanks and a crystal blank mounted on a central layer. A second layer and a base are adhered by a fritting process to either side respectively of the central layer and a lid is sealed to the second layer to complete the package.</p> |
申请公布号 |
GB2230645(B) |
申请公布日期 |
1993.04.28 |
申请号 |
GB19900005777 |
申请日期 |
1990.03.14 |
申请人 |
* MARCONI ELECTRONIC DEVICES LIMITED;* PLESSEY SEMICONDUCTORS LIMITED |
发明人 |
MERVYN KEITH * HOBDEN;PHILIP ALAN * DURRANT |
分类号 |
H01L41/053;H03H3/007;H03H9/10 |
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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