JPS58107549U - electron beam tube - Google Patents
electron beam tubeInfo
- Publication number
- JPS58107549U JPS58107549U JP475182U JP475182U JPS58107549U JP S58107549 U JPS58107549 U JP S58107549U JP 475182 U JP475182 U JP 475182U JP 475182 U JP475182 U JP 475182U JP S58107549 U JPS58107549 U JP S58107549U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- electron
- focusing device
- magnetic field
- beam tube
- 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図は従来から用いられている電子ビーム管の１例と
して進行波管を示したｉ面図第２図も従来から用いられ
ている電子ビーム管の他の例の電子銃部を示した断面図
、第３図は本考案を進行波管への一実施例を示す断面図
、第４図はシールド板を示す斜視図である。
１・・・・・・電子銃、２・・・・・・電子ｉ゛−ム、
３・・・・・・陰極、４・・・・・・ビーム形成電極、
５・・・・・・加淳電極、６・・・・・・ヒータ、７・
・・・・・電極板、８・・・・・・セラミック絶縁円筒
、９・・・・・・リード線、１０・・・・・・遅波回路
、１１・・・・・・コレクタ、１２・・・・・・絶縁体
、１３・・・・・・周期磁界集束装置、１４・・・・・
・磁極、１５・・・・・・シール゛ド、１６・・・・・
・絶縁物、１７・・・・・・磁気シールド板。Figure 1 is an i-plane diagram showing a traveling wave tube as an example of a conventionally used electron beam tube. Figure 2 also shows the electron gun section of another example of a conventionally used electron beam tube. 3 is a sectional view showing an embodiment of the present invention as a traveling wave tube, and FIG. 4 is a perspective view showing a shield plate. 1...electron gun, 2...electron i-me,
3... cathode, 4... beam forming electrode,
5...Kajun electrode, 6...Heater, 7.
... Electrode plate, 8 ... Ceramic insulating cylinder, 9 ... Lead wire, 10 ... Slow wave circuit, 11 ... Collector, 12 ...Insulator, 13 ... Periodic magnetic field focusing device, 14 ...
・Magnetic pole, 15... Shield, 16...
・Insulator, 17...Magnetic shield plate.
Claims (1)
数個のセラミック絶縁円筒からなる真空外囲器内に収納
された電子銃と、前記電子銃によって放射された電子ビ
ームをして、直径を小さく−保ち細長い空間中を走行せ
しめるためあ周期磁界集束装置を有する電子ビーム管に
於て、前記電子銃と周期磁界集束装置との境界には磁極
が設−けられ、かつ磁極の電子銃側に、前記磁極の外径
および周期磁界集束装置の外径よりも大きな磁気シール
ド板が電子銃側につき出て、取り付けられてい゛ること
を特徴とする電子ビーム管。an electron gun housed in a vacuum envelope consisting of a plurality of electrode plates and a plurality of ceramic insulating cylinders stacked with the electrode plates in between, and an electron beam emitted by the electron gun; In an electron beam tube having a periodic magnetic field focusing device in order to maintain a small diameter and allow the electron beam to travel in a long and narrow space, a magnetic pole is provided at the boundary between the electron gun and the periodic magnetic field focusing device, and the electron beam of the magnetic pole is An electron beam tube characterized in that a magnetic shield plate, which is larger than the outer diameter of the magnetic pole and the outer diameter of the periodic magnetic field focusing device, is attached to the gun side and protrudes from the electron gun side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP475182U JPS58107549U (en) | 1982-01-18 | 1982-01-18 | electron beam tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP475182U JPS58107549U (en) | 1982-01-18 | 1982-01-18 | electron beam tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58107549U true JPS58107549U (en) | 1983-07-22 |
Family
ID=30017584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP475182U Pending JPS58107549U (en) | 1982-01-18 | 1982-01-18 | electron beam tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58107549U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472664A (en) * | 1977-11-21 | 1979-06-11 | Nec Corp | Microwave tube |
-
1982
- 1982-01-18 JP JP475182U patent/JPS58107549U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472664A (en) * | 1977-11-21 | 1979-06-11 | Nec Corp | Microwave tube |
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