SE319241B - - Google Patents

Info

Publication number
SE319241B
SE319241B SE10768/63A SE1076863A SE319241B SE 319241 B SE319241 B SE 319241B SE 10768/63 A SE10768/63 A SE 10768/63A SE 1076863 A SE1076863 A SE 1076863A SE 319241 B SE319241 B SE 319241B
Authority
SE
Sweden
Prior art keywords
axis
magnets
elements
radially
magnetized
Prior art date
Application number
SE10768/63A
Other languages
English (en)
Inventor
P Meyerer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE319241B publication Critical patent/SE319241B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Particle Accelerators (AREA)
  • Microwave Tubes (AREA)
SE10768/63A 1962-10-04 1963-10-02 SE319241B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES81889A DE1298646B (de) 1962-10-04 1962-10-04 Permanentmagnetisches Fokussierungssystem zur Erzeugung eines wenigstens angenaehert homogenen Magnetfeldes fuer die gebuendelte Fuehrung eines Elektronenstrahls ueber eine groessere Wegstrecke, insbesondere fuer Wanderfeldroehren

Publications (1)

Publication Number Publication Date
SE319241B true SE319241B (sv) 1970-01-12

Family

ID=7509982

Family Applications (1)

Application Number Title Priority Date Filing Date
SE10768/63A SE319241B (sv) 1962-10-04 1963-10-02

Country Status (6)

Country Link
US (1) US3237059A (sv)
DE (1) DE1298646B (sv)
DK (1) DK103681C (sv)
GB (1) GB1039576A (sv)
NL (2) NL298777A (sv)
SE (1) SE319241B (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1491444B2 (de) * 1965-01-26 1972-04-06 Siemens AG, 1000 Berlin u 8000 München Permanentmagnetsystem zur erzeugung eines im wesentlichen homogenen magnetfeldes fuer die gebuendelte fuehrung eines elektronenstrahls ueber eine laengere wegstrecke, insbesondere fuer wanderfeldroehren
US3686527A (en) * 1969-12-12 1972-08-22 Sanders Associates Inc High-speed synthesized field focus coil
NL8020101A (nl) * 1980-01-28 1981-12-01 Sergei Sergeevich Drozdov Mikh Omkeerbaar periodiek magnetisch focusseersysteem.
US4720692A (en) * 1984-10-24 1988-01-19 The United States Of America As Represented By The Secretary Of The Air Force Long, narrow, uniform magnetic field apparatus and method
US4647887A (en) * 1984-12-24 1987-03-03 The United States Of America As Represented By The Secretary Of The Army Lightweight cladding for magnetic circuits
US4614930A (en) * 1985-03-25 1986-09-30 General Electric Company Radially magnetized cylindrical magnet
DE3518852A1 (de) * 1985-05-23 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Magnet eines kernspintomographen
US4658228A (en) * 1986-05-01 1987-04-14 The United States Of America As Represented By The Secreatry Of The Army Confinement of longitudinal, axially symmetric, magnetic fields to annular regions with permanent magnets
US4654618A (en) * 1986-05-01 1987-03-31 The United States Of America As Represented By The Secretary Of The Army Confinement of kOe magnetic fields to very small areas in miniature devices
US4701737A (en) * 1986-05-30 1987-10-20 The United States Of America As Represented By The Secretary Of The Army Leakage-free, linearly varying axial permanent magnet field source
FR2605451B1 (fr) * 1986-10-17 1993-12-24 Thomson Cgr Aimant permanent cylindrique a champ induit longitudinal
FR2605452B1 (fr) * 1986-10-17 1988-12-02 Thomson Cgr Aimant permanent spherique a acces equatorial
FR2605450B1 (fr) * 1986-10-17 1988-12-02 Thomson Cgr Aimant permanent cylindrique pour produire un champ d'induction uniforme et transverse
US4953555A (en) * 1987-10-20 1990-09-04 The United States Of Americas As Represented By The Secretary Of The Army Permanent magnet structure for a nuclear magnetic resonance imager for medical diagnostics
JP2826895B2 (ja) * 1990-09-19 1998-11-18 ティーディーケイ株式会社 永久磁石磁気回路
US5319339A (en) * 1993-03-08 1994-06-07 The United States Of America As Represented By The Secretary Of The Army Tubular structure having transverse magnetic field with gradient
DE4424230C2 (de) * 1994-07-09 1996-08-14 Karlsruhe Forschzent Magnetsystem für Gyrotrons
US5576679A (en) * 1994-10-25 1996-11-19 Shin-Etsu Chemical Co., Ltd. Cylindrical permanent magnet unit suitable for gyrotron
US5786741A (en) * 1995-12-21 1998-07-28 Aura Systems, Inc. Polygon magnet structure for voice coil actuator
US5929732A (en) * 1997-04-17 1999-07-27 Lockheed Martin Corporation Apparatus and method for amplifying a magnetic beam
KR100682661B1 (ko) * 2005-09-13 2007-02-15 엘지전자 주식회사 모터 및 상기 모터를 포함하는 세탁기
US8179220B2 (en) 2008-05-28 2012-05-15 Otto Voegeli Confined field magnet system and method
CN105047355A (zh) * 2015-08-12 2015-11-11 中国科学院电工研究所 一种用于聚焦和引导电子束的圆筒形永磁体系统
CN112912748A (zh) * 2018-09-03 2021-06-04 新加坡科技设计大学 永磁体系统及其形成方法
JP7369470B2 (ja) * 2018-11-29 2023-10-26 エプシタウ リミテッド 混合相磁石リングを備える軽量の非対称磁石アレイ
RU206633U1 (ru) * 2020-01-28 2021-09-20 Акционерное общество "Научно-производственное предприятие "Исток" имени А.И. Шокина" (АО "НПП "Исток" им. Шокина") Магнитная фокусирующая система

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE725473C (de) * 1935-07-23 1942-10-08 Fernseh Gmbh Elektronensammelspule
FR1105964A (fr) * 1954-06-03 1955-12-09 Csf Perfectionnement aux aimants permanents
NL99653C (sv) * 1956-03-01

Also Published As

Publication number Publication date
DE1298646B (de) 1969-07-03
GB1039576A (en) 1966-08-17
US3237059A (en) 1966-02-22
NL298777A (sv) 1900-01-01
NL133615C (sv)
DK103681C (da) 1966-02-07

Similar Documents

Publication Publication Date Title
SE319241B (sv)
GB842531A (en) Permanent magnets
GB1255067A (en) Permanent magnet alternator
DK118903B (da) Magnetsystem omfattende en ringformet permanent hovedmagnet med et øvre polstykke, et nedre polstykke af blødt jern, en kerne og en eller flere hjælpemagneter.
GB1109992A (en) Electromagnetic forming
GB865725A (en) Improvements in or relating to magnetic focusing systems for travelling-wave tubes
GB1102719A (en) Improvements in or relating to electron beam periodic magnetic focussing systems
GB1077412A (en) Cathode-ray tube beam controlling device
GB835271A (en) Periodic magnetic electron beam focusing arrangement
GB953644A (en) Method of producing a double system of electrical synchronous machines with rotating poles of opposite sign
GB980119A (en) Periodic magnetic focusing arrangements for electron beam tubes
GB987024A (en) A magnetic focussing device for an electron tube
GB770133A (en) Improvements in or relating to permanent magnets
GB1192484A (en) Improved Magnetic Focusing Systems for Discharge Tubes
GB792020A (en) Improvements in or relating to the magnetic focusing of electron beams
GB1273957A (en) Improvements in or relating to permanent magnet systems for electron beam focussing
GB940055A (en) Permanent magnet electron-beam focussing arrangements
GB1066879A (en) Improvements in or relating to coil systems comprising a coil with a saturable core
GB1463839A (en) Travelling wave tubes
GB890843A (en) Electron tube magnetic focussing device
GB1270145A (en) Magnetic beam-focusing system
ES392596A1 (es) Un metodo para fabricar un nucleo de electroiman.
GB1031844A (en) Magnetic focusing device for an electron tube
GB1207319A (en) Temperature compensated magnetic focusing structure
FR2285699A1 (fr) Dispositif de blindage magnetique pour un groupement d'aimants permanents de concentration de faisceaux