JPS5870662U - Periodic magnetic field focusing device - Google Patents

Periodic magnetic field focusing device

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Publication number
JPS5870662U
JPS5870662U JP16558881U JP16558881U JPS5870662U JP S5870662 U JPS5870662 U JP S5870662U JP 16558881 U JP16558881 U JP 16558881U JP 16558881 U JP16558881 U JP 16558881U JP S5870662 U JPS5870662 U JP S5870662U
Authority
JP
Japan
Prior art keywords
focusing device
magnetic field
field focusing
periodic magnetic
magnetic pole
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
Application number
JP16558881U
Other languages
Japanese (ja)
Inventor
浜田　定徳
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 JP16558881U priority Critical patent/JPS5870662U/en
Publication of JPS5870662U publication Critical patent/JPS5870662U/en
Pending 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 the drawing]

第１図は従来の周期磁界集束装置の主要部を示す断面図
である。第２図はこの考案の第１実施例の周期磁界集束
装置が組込まれた進行波管を示す断面図で、第３図はこ
れの主要部を拡大した断面図である。第４図はこの考案
の第２実施例の周期磁界集束装置の主要部を示すもので
、同図ａは断面図、同図すはａのＢＢ矢視図である。第
５図はこの考案の第３実施例の周期磁界集束装置の主要
部を示す断面図である。 ４・・・・・・周期磁界集束装置、１１・・・・・・円
筒金属外囲器、１３．１４・・・・・・磁気シールド板
、１５゜１５ａ、１５ｂ・・・・・・磁極片、１６・・
・・・・環状磁石。FIG. 1 is a sectional view showing the main parts of a conventional periodic magnetic field focusing device. FIG. 2 is a sectional view showing a traveling wave tube incorporating the periodic magnetic field focusing device of the first embodiment of the invention, and FIG. 3 is an enlarged sectional view of the main part thereof. FIG. 4 shows the main parts of a periodic magnetic field focusing device according to a second embodiment of this invention, and FIG. 4A is a cross-sectional view, and FIG. FIG. 5 is a sectional view showing the main parts of a periodic magnetic field focusing device according to a third embodiment of this invention. 4... Periodic magnetic field focusing device, 11... Cylindrical metal envelope, 13.14... Magnetic shield plate, 15° 15a, 15b... Magnetic pole Piece, 16...
...ring magnet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円筒金属外囲器に嵌挿させた磁極片と、該円筒金属外囲
器の両端に固着した磁気シールド板と、該磁極片と該磁
気シールド板のそれぞれの間に挟着させた二つ割りにし
た環状磁石とから成る周期磁界集束装置において、少く
とも１個の該磁極片を中心軸に垂直な面で二分割して、
それぞれの間隔を調整し全体の長さを微調整できる機構
を備えたことを特徴とする周期磁界集束装置。A magnetic pole piece fitted into a cylindrical metal envelope, a magnetic shield plate fixed to both ends of the cylindrical metal envelope, and a bisected piece sandwiched between the magnetic pole piece and the magnetic shield plate, respectively. In a periodic magnetic field focusing device consisting of an annular magnet, at least one of the magnetic pole pieces is divided into two along a plane perpendicular to the central axis,
A periodic magnetic field focusing device characterized by being equipped with a mechanism that can adjust the respective intervals and finely adjust the overall length.
JP16558881U 1981-11-06 1981-11-06 Periodic magnetic field focusing device Pending JPS5870662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16558881U JPS5870662U (en) 1981-11-06 1981-11-06 Periodic magnetic field focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16558881U JPS5870662U (en) 1981-11-06 1981-11-06 Periodic magnetic field focusing device

Publications (1)

Publication Number Publication Date
JPS5870662U true JPS5870662U (en) 1983-05-13

Family

ID=29957779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16558881U Pending JPS5870662U (en) 1981-11-06 1981-11-06 Periodic magnetic field focusing device

Country Status (1)

Country Link
JP (1) JPS5870662U (en)

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