JPS58195953U - electron beam tube - Google Patents
electron beam tubeInfo
- Publication number
- JPS58195953U JPS58195953U JP9320182U JP9320182U JPS58195953U JP S58195953 U JPS58195953 U JP S58195953U JP 9320182 U JP9320182 U JP 9320182U JP 9320182 U JP9320182 U JP 9320182U JP S58195953 U JPS58195953 U JP S58195953U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- beam tube
- cathode
- ion trap
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Microwave Tubes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａは従来の周期磁界集束形電子ビーム管の一部断
面図、第１図すは第１図ａの電子ビーム管における磁界
分布を説明する図、第２図は本考案の一実施例の周期磁
界集束形電子ビーム管の下部断面図である。
１・・・非磁性金属管、２・・・磁極片、３・・・絶縁
体、４・・・高周波回路、５・・・永久磁石、６・・・
陰極、７・・・集束電極、８・・・陽極、９・・・磁気
シールド、１０・・・ ゛電子ビーム、１１．１２・
・・イオントラップ電極。Figure 1a is a partial cross-sectional view of a conventional periodic magnetic field focusing electron beam tube, Figure 1 is a diagram illustrating the magnetic field distribution in the electron beam tube of Figure 1a, and Figure 2 is an implementation of the present invention FIG. 2 is a bottom sectional view of an example periodic magnetic field focusing electron beam tube. DESCRIPTION OF SYMBOLS 1... Nonmagnetic metal tube, 2... Magnetic pole piece, 3... Insulator, 4... High frequency circuit, 5... Permanent magnet, 6...
Cathode, 7... Focusing electrode, 8... Anode, 9... Magnetic shield, 10... ゛Electron beam, 11.12.
...Ion trap electrode.
Claims (1)
と、前記電子ビームを集束さ゛せる集束電極と、前記電
子ビームを加速する陽極と、前記陰極へのイオン衝撃を
防止するイオントラップ電極により構成される電子銃を
有する電子ビーム管において、前記イオントラップ電極
を磁性体で形成したことを特徴とする電子ビーム管。Consisting of a cathode that emits an electron beam, a heater that heats the cathode, a focusing electrode that focuses the electron beam, an anode that accelerates the electron beam, and an ion trap electrode that prevents ion bombardment to the cathode. 1. An electron beam tube having an electron gun, characterized in that the ion trap electrode is made of a magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9320182U JPS58195953U (en) | 1982-06-22 | 1982-06-22 | electron beam tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9320182U JPS58195953U (en) | 1982-06-22 | 1982-06-22 | electron beam tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58195953U true JPS58195953U (en) | 1983-12-26 |
Family
ID=30223887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9320182U Pending JPS58195953U (en) | 1982-06-22 | 1982-06-22 | electron beam tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58195953U (en) |
-
1982
- 1982-06-22 JP JP9320182U patent/JPS58195953U/en active Pending
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