| 发明名称 |
Electron beam producing arrangement for a cathode ray tube |
| 摘要 |
An electron beam producing arrangement for a cathode ray tube comprises a vessel shaped control electrode with a bore therein for passage of the electron beam and a hat shaped metal foil element with its crown in the bore and apertured for the passage of the electron beam and fixed to the edge of the bore by its brim.
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| 申请公布号 |
US4104554(A) |
申请公布日期 |
1978.08.01 |
| 申请号 |
US19770768707 |
申请日期 |
1977.02.15 |
| 申请人 |
LICENTIA PATENT-VERWALTUNGS-G.M.B.H. |
发明人 |
KOLBECK, RAINER;KUCKENBURG, HEINZ;SCHAFFERNICHT, KLAUS |
| 分类号 |
H01J29/48;(IPC1-7):H01J29/02;H01J29/46 |
主分类号 |
H01J29/48 |
| 代理机构 |
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代理人 |
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| 主权项 |
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