发明名称 |
Electron beam tube having particular structure of the vacuum envelope containing electron gun |
摘要 |
An electron beam tube includes an electron gun included within a vacuum envelope defined partly by a ceramic cylinder. The ceramic cylinder includes straight sided portions and with an intervening conical section between them. The straight sided portions and form part of two r.f. chokes, being metallized on their inner and outer surfaces and forming a connection with a cavity forming part.
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申请公布号 |
US6407495(B1) |
申请公布日期 |
2002.06.18 |
申请号 |
US19990275109 |
申请日期 |
1999.03.24 |
申请人 |
EEV LIMITED |
发明人 |
BARDELL STEVEN;AITKEN STEVEN |
分类号 |
H01J23/38;H01J23/54;(IPC1-7):H01J25/02 |
主分类号 |
H01J23/38 |
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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