JPS5836551U - Periodic magnetic field focusing device - Google Patents
Periodic magnetic field focusing deviceInfo
- Publication number
- JPS5836551U JPS5836551U JP13151181U JP13151181U JPS5836551U JP S5836551 U JPS5836551 U JP S5836551U JP 13151181 U JP13151181 U JP 13151181U JP 13151181 U JP13151181 U JP 13151181U JP S5836551 U JPS5836551 U JP S5836551U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- focusing device
- field focusing
- periodic magnetic
- permanent magnet
- 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.)
- Granted
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図は従来行なわれている周期磁界集束装置を進行波
管に用いた場合の縦断面図、第２図は第１図のＡ−Ａ断
面図、第３図は本考案に係る周期磁界集束装置を進行波
管に用いた場合の第１の実施例の縦断面図、第４図は第
３図のＢ−Ｂ断面図、第５図は第２の実施例の縦断面図
、第６図は第５図のｃ−ｃ断面図である。
図において、１は進行波管、２は周期磁界集束装置、１
１は電子銃、１２は高周波回路、１３はコレクタ、１４
は外周管、１５は高周波回路の支持棒、２１は円筒状の
永久磁石１．２２はポールピース、２３は棒状永久磁石
、２４は非磁性の金属円筒、２５は非磁性の金属円筒２
４の外周囲に明けられた切り欠き溝である。 ゛Fig. 1 is a longitudinal sectional view of a conventional periodic magnetic field focusing device used in a traveling wave tube, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a periodic magnetic field according to the present invention. FIG. 4 is a longitudinal sectional view of the first embodiment when the focusing device is used in a traveling wave tube, FIG. 4 is a BB sectional view of FIG. 3, and FIG. 5 is a longitudinal sectional view of the second embodiment. FIG. 6 is a sectional view taken along line cc in FIG. 5. In the figure, 1 is a traveling wave tube, 2 is a periodic magnetic field focusing device, 1
1 is an electron gun, 12 is a high frequency circuit, 13 is a collector, 14
1 is an outer peripheral tube, 15 is a support rod for the high frequency circuit, 21 is a cylindrical permanent magnet 1, 22 is a pole piece, 23 is a rod-shaped permanent magnet, 24 is a non-magnetic metal cylinder, 25 is a non-magnetic metal cylinder 2
This is a notch groove made on the outer periphery of 4.゛
Claims (1)
びポールピースを交互に同軸状に配置した周期磁界集束
装置において、前記永久磁石を棒状永久磁石とし、非磁
性の良熱伝導体からなる金属円筒の内側に明けられた複
数個の穴又は金属円筒の外側に明けられた複数個の切り
欠溝に棒状永久磁石を配設し、前記金属円筒とポールピ
ースを交互に同軸状に組合されたことを特徴とする周期
磁界集束装置。In a periodic magnetic field focusing device in which a plurality of permanent magnets and pole pieces are arranged coaxially and alternately around the outer periphery of a high-frequency circuit of an electron beam tube, the permanent magnet is a bar-shaped permanent magnet, and the permanent magnet is a metal made of a non-magnetic good thermal conductor. Bar-shaped permanent magnets are disposed in a plurality of holes drilled inside the cylinder or in a plurality of notched grooves drilled outside the metal cylinder, and the metal cylinder and the pole piece are alternately combined coaxially. A periodic magnetic field focusing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13151181U JPS5836551U (en) | 1981-09-04 | 1981-09-04 | Periodic magnetic field focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13151181U JPS5836551U (en) | 1981-09-04 | 1981-09-04 | Periodic magnetic field focusing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5836551U true JPS5836551U (en) | 1983-03-09 |
| JPS6326918Y2 JPS6326918Y2 (en) | 1988-07-21 |
Family
ID=29925085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13151181U Granted JPS5836551U (en) | 1981-09-04 | 1981-09-04 | Periodic magnetic field focusing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5836551U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522790U (en) * | 1978-08-02 | 1980-02-14 | ||
| JPS5772047U (en) * | 1980-10-20 | 1982-05-01 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522790B2 (en) * | 1973-06-28 | 1980-06-19 |
-
1981
- 1981-09-04 JP JP13151181U patent/JPS5836551U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522790U (en) * | 1978-08-02 | 1980-02-14 | ||
| JPS5772047U (en) * | 1980-10-20 | 1982-05-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326918Y2 (en) | 1988-07-21 |
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