JPS62135341U - - Google Patents
Info
- Publication number
- JPS62135341U JPS62135341U JP2250586U JP2250586U JPS62135341U JP S62135341 U JPS62135341 U JP S62135341U JP 2250586 U JP2250586 U JP 2250586U JP 2250586 U JP2250586 U JP 2250586U JP S62135341 U JPS62135341 U JP S62135341U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- envelope
- focusing device
- field focusing
- periodic magnetic
- 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
- 230000000737 periodic effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 238000010894 electron beam technology Methods 0.000 claims 1
Landscapes
- Microwave Tubes (AREA)
Description
第１図は、本考案の実施例の周期磁界集束装置
を用いた進行波管（コレクタは図示せず）の断面
図である。第２図は、従来の周期磁界集束装置を
用いた進行波管（コレクタは図示せず）の断面図
である。
（主な参照番号）、１……進行波管、２……周
期磁界集束装置、１１……カソード、１２……電
子銃、１３……ヘリツクス、１４……円筒状金属
外囲器、１５……支持棒、１６……入力部磁気シ
ールド、２１……ポールピース、２２……円環状
永久磁石。
FIG. 1 is a sectional view of a traveling wave tube (collector not shown) using a periodic magnetic field focusing device according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of a traveling wave tube (collector not shown) using a conventional periodic magnetic field focusing device. (Main reference numbers), 1... Traveling wave tube, 2... Periodic magnetic field focusing device, 11... Cathode, 12... Electron gun, 13... Helix, 14... Cylindrical metal envelope, 15... ... Support rod, 16 ... Input section magnetic shield, 21 ... Pole piece, 22 ... Annular permanent magnet.
Claims (1)
金属外囲器の外周に設けられた複数の円環状永久
磁石とポールピースとより構成された周期磁界集
束装置において、電子銃側の周期磁界集束装置部
分は、外囲器の中心軸に直角な方向に独立して位
置調整可能な複数の単位磁界発生体から構成され
、各単位磁界発生体は、外囲器の外径より十分に
大きな内径を有する円環状永久磁石と、該永久磁
石の各側に設けられ且つ外囲器の外径より十分に
内きな内径を有して、隣接単位磁界発生体と独立
しているポールピースとから構成されていること
を特徴とする周期磁界集束装置。 In a periodic magnetic field focusing device composed of a plurality of annular permanent magnets and a pole piece provided on the outer periphery of a cylindrical metal envelope that houses a high frequency circuit section of an electron beam tube, a periodic magnetic field focusing device on the electron gun side. The part is composed of a plurality of unit magnetic field generators whose positions are independently adjustable in a direction perpendicular to the central axis of the envelope, and each unit magnetic field generator has an inner diameter sufficiently larger than the outer diameter of the envelope. and pole pieces that are provided on each side of the permanent magnet, have an inner diameter sufficiently smaller than the outer diameter of the envelope, and are independent of the adjacent unit magnetic field generator. A periodic magnetic field focusing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2250586U JPS62135341U (en) | 1986-02-18 | 1986-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2250586U JPS62135341U (en) | 1986-02-18 | 1986-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62135341U true JPS62135341U (en) | 1987-08-26 |
Family
ID=30819952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2250586U Pending JPS62135341U (en) | 1986-02-18 | 1986-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62135341U (en) |
-
1986
- 1986-02-18 JP JP2250586U patent/JPS62135341U/ja active Pending
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