JPS6039554U - Periodic magnetic field focusing device - Google Patents

Periodic magnetic field focusing device

Info

Publication number
JPS6039554U
JPS6039554U JP13127683U JP13127683U JPS6039554U JP S6039554 U JPS6039554 U JP S6039554U JP 13127683 U JP13127683 U JP 13127683U JP 13127683 U JP13127683 U JP 13127683U JP S6039554 U JPS6039554 U JP S6039554U
Authority
JP
Japan
Prior art keywords
focusing device
magnetic field
periodic magnetic
field focusing
pole pieces
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
JP13127683U
Other languages
Japanese (ja)
Inventor
久保　英一
壁井　敏広
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 JP13127683U priority Critical patent/JPS6039554U/en
Publication of JPS6039554U publication Critical patent/JPS6039554U/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]

図はへリツクス形進行波管の周期磁界集束装置の一部分
の断面図である。 １・・・円環状永久磁石、２・・・ポールピース、３・
・・高周波回路、４・・・電子ビーム、５・・・円筒状
金属外囲器、６・・・磁器製高周波回路支持棒。The figure is a cross-sectional view of a portion of a helical traveling wave tube periodic magnetic field focusing device. 1... Annular permanent magnet, 2... Pole piece, 3...
... High frequency circuit, 4... Electron beam, 5... Cylindrical metal envelope, 6... Porcelain high frequency circuit support rod.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電子ビーム管の高周波回路の外周に複数個の円環状永久
磁石およびポールピースを交互に同軸的に配置して成る
周期磁界集束装置において、前記ポールピースを黒化処
理したことを特徴とする周期磁界集束装置。A periodic magnetic field focusing device comprising a plurality of annular permanent magnets and pole pieces arranged coaxially and alternately around the outer periphery of a high frequency circuit of an electron beam tube, characterized in that the pole pieces are blackened. Focusing device.
JP13127683U 1983-08-25 1983-08-25 Periodic magnetic field focusing device Pending JPS6039554U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13127683U JPS6039554U (en) 1983-08-25 1983-08-25 Periodic magnetic field focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13127683U JPS6039554U (en) 1983-08-25 1983-08-25 Periodic magnetic field focusing device

Publications (1)

Publication Number Publication Date
JPS6039554U true JPS6039554U (en) 1985-03-19

Family

ID=30296842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13127683U Pending JPS6039554U (en) 1983-08-25 1983-08-25 Periodic magnetic field focusing device

Country Status (1)

Country Link
JP (1) JPS6039554U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819841A (en) * 1981-07-29 1983-02-05 Nec Corp Travelling-wave tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819841A (en) * 1981-07-29 1983-02-05 Nec Corp Travelling-wave tube

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