发明名称 |
ELECTRON BEAM TUBES |
摘要 |
An electron beam tube includes an electron gun l included within a vacuum envelope defined partly by a ceramic cylinder 6. The ceramic cylinder 6 includes straight sided portions 7 and 8 with an intervening conical section 9 between them. The straight sided portions 7 and 8 form part of two T.f. chokes being metallised on their inner and outer surfaces and forming a connection with a cavity forming part 15.
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申请公布号 |
CA2266230(A1) |
申请公布日期 |
1999.09.24 |
申请号 |
CA19992266230 |
申请日期 |
1999.03.22 |
申请人 |
EEV LIMITED |
发明人 |
AITKEN, STEVEN;BARDELL, STEVEN |
分类号 |
H01J23/38;H01J23/54;(IPC1-7):H01J29/86 |
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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