JPS5982948U - traveling wave tube - Google Patents

traveling wave tube

Info

Publication number
JPS5982948U
JPS5982948U JP18031282U JP18031282U JPS5982948U JP S5982948 U JPS5982948 U JP S5982948U JP 18031282 U JP18031282 U JP 18031282U JP 18031282 U JP18031282 U JP 18031282U JP S5982948 U JPS5982948 U JP S5982948U
Authority
JP
Japan
Prior art keywords
traveling wave
wave tube
permanent magnet
focusing device
pole piece
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
Application number
JP18031282U
Other languages
Japanese (ja)
Other versions
JPH0117082Y2 (en
Inventor
浩之 橋本
廣瀬　克己
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP18031282U priority Critical patent/JPS5982948U/en
Publication of JPS5982948U publication Critical patent/JPS5982948U/en
Application granted granted Critical
Publication of JPH0117082Y2 publication Critical patent/JPH0117082Y2/ja
Granted legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のへリツクス形進行波管の電子ビーム集束
装置を示す。第２図に入出力結合部の位置の永久磁石を
示す。第３図に本考案による電子ビーム集束装置を示す
。 １・・・ポールピース、２・・・永久磁石、３・・・入
出力結合器、４・・・回路支持体。FIG. 1 shows a conventional helical traveling wave tube electron beam focusing device. FIG. 2 shows the permanent magnet at the input/output coupling section. FIG. 3 shows an electron beam focusing device according to the present invention. DESCRIPTION OF SYMBOLS 1... Pole piece, 2... Permanent magnet, 3... Input/output coupler, 4... Circuit support body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電子ビーム集束装置として希土類−コバルト系からなる
周期永久磁石を使用した進行波管において、ポールピー
スと永久磁石からなる集束装置のうち少なくとも１個以
上のポールピースの外径が永久磁石の外径より小さい集
束装置を有することを特徴とする進行波管。In a traveling wave tube that uses a periodic permanent magnet made of rare earth-cobalt material as an electron beam focusing device, the outer diameter of at least one pole piece of the focusing device consisting of a pole piece and a permanent magnet is smaller than the outer diameter of the permanent magnet. A traveling wave tube characterized in that it has a small focusing device.
JP18031282U 1982-11-29 1982-11-29 traveling wave tube Granted JPS5982948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18031282U JPS5982948U (en) 1982-11-29 1982-11-29 traveling wave tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18031282U JPS5982948U (en) 1982-11-29 1982-11-29 traveling wave tube

Publications (2)

Publication Number Publication Date
JPS5982948U true JPS5982948U (en) 1984-06-05
JPH0117082Y2 JPH0117082Y2 (en) 1989-05-18

Family

ID=30390994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18031282U Granted JPS5982948U (en) 1982-11-29 1982-11-29 traveling wave tube

Country Status (1)

Country Link
JP (1) JPS5982948U (en)

Also Published As

Publication number Publication date
JPH0117082Y2 (en) 1989-05-18

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