JPH01139345U - - Google Patents
Info
- Publication number
- JPH01139345U JPH01139345U JP3467688U JP3467688U JPH01139345U JP H01139345 U JPH01139345 U JP H01139345U JP 3467688 U JP3467688 U JP 3467688U JP 3467688 U JP3467688 U JP 3467688U JP H01139345 U JPH01139345 U JP H01139345U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- pole piece
- microwave tube
- yoke
- focusing device
- 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
- 238000010894 electron beam technology Methods 0.000 claims 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Microwave Tubes (AREA)
- Hard Magnetic Materials (AREA)
Description
第１図は本考案の第１の実施例の正面図、第２
図は本考案の第２の実施例の正面図である。
１……永久磁石、２ａ，２ｂ……ヨーク、３…
…マイクロ波管、４ａ……第１のポールピース、
４ｂ……第２のポールピース、５……コレクタ、
６……電子銃、７……高周波回路、１１……永久
磁石、１２ａ，１２ｂ……ヨーク。
Figure 1 is a front view of the first embodiment of the present invention;
The figure is a front view of a second embodiment of the present invention. 1...Permanent magnet, 2a, 2b...Yoke, 3...
...Microwave tube, 4a...first pole piece,
4b...Second pole piece, 5...Collector,
6...Electron gun, 7...High frequency circuit, 11...Permanent magnet, 12a, 12b...Yoke.
Claims (1)
ースと、前記電子ビームの下流側に配置した第２
のポールピースとを有するマイクロ波管に組み合
わせるマイクロ波管用電子ビーム集束装置におい
て、ネオジウム、鉄および硼素を主成分とする永
久磁石材料を使用した永久磁石と、該永久磁石に
固定した強磁性体のヨークとから成り前記永久磁
石と前記電子ビームの下流側に配置した前記第２
のポールピースの間に前記ヨークを配置したこと
を特徴とするマイクロ波管用電子ビーム集束装置
。 A first pole piece placed upstream of the electron beam, and a second pole piece placed downstream of the electron beam.
In an electron beam focusing device for a microwave tube that is combined with a microwave tube having a pole piece of yoke, the permanent magnet and the second magnet disposed downstream of the electron beam.
An electron beam focusing device for a microwave tube, characterized in that the yoke is arranged between pole pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3467688U JPH01139345U (en) | 1988-03-15 | 1988-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3467688U JPH01139345U (en) | 1988-03-15 | 1988-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139345U true JPH01139345U (en) | 1989-09-22 |
Family
ID=31261370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3467688U Pending JPH01139345U (en) | 1988-03-15 | 1988-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139345U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5622756B2 (en) * | 1977-08-29 | 1981-05-27 |
-
1988
- 1988-03-15 JP JP3467688U patent/JPH01139345U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5622756B2 (en) * | 1977-08-29 | 1981-05-27 |
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