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 GB8906619(D0) 申请公布日期 1989.05.04
申请号 GB19890006619 申请日期 1989.03.22
申请人 MARCONI ELECTRONIC DEVICES LIMITED 发明人
分类号 H01L41/053;H03H3/007;H03H9/10 主分类号 H01L41/053
代理机构 代理人
主权项
地址