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NL8020101A - Omkeerbaar periodiek magnetisch focusseersysteem. - Google Patents

Omkeerbaar periodiek magnetisch focusseersysteem. Download PDF

Info

Publication number
NL8020101A
NL8020101A NL8020101A NL8020101A NL8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A NL 8020101 A NL8020101 A NL 8020101A
Authority
NL
Netherlands
Prior art keywords
pole shoes
grids
meshes
permanent magnets
pole
Prior art date
Application number
NL8020101A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sergei Sergeevich Drozdov Mikh
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 Sergei Sergeevich Drozdov Mikh filed Critical Sergei Sergeevich Drozdov Mikh
Publication of NL8020101A publication Critical patent/NL8020101A/nl

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
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing

Landscapes

  • Particle Accelerators (AREA)
  • Microwave Tubes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8020101A 1980-01-28 1980-01-28 Omkeerbaar periodiek magnetisch focusseersysteem. NL8020101A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/SU1980/000008 WO1981002221A1 (en) 1980-01-28 1980-01-28 Reversible periodical magneto-focusing system
SU8000008 1980-01-28

Publications (1)

Publication Number Publication Date
NL8020101A true NL8020101A (nl) 1981-12-01

Family

ID=21616579

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8020101A NL8020101A (nl) 1980-01-28 1980-01-28 Omkeerbaar periodiek magnetisch focusseersysteem.

Country Status (5)

Country Link
US (1) US4433270A (ja)
JP (1) JPS57500217A (ja)
DE (1) DE3050257C1 (ja)
NL (1) NL8020101A (ja)
WO (1) WO1981002221A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248693A1 (de) * 1982-12-30 1984-07-05 Siemens AG, 1000 Berlin und 8000 München Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem
FR2637122A1 (fr) * 1988-09-23 1990-03-30 Thomson Csf Dispositif correcteur de trajectoires pour tube electronique
US5332948A (en) * 1992-05-13 1994-07-26 Litton Systems, Inc. X-z geometry periodic permanent magnet focusing system
US5744910A (en) * 1993-04-02 1998-04-28 Litton Systems, Inc. Periodic permanent magnet focusing system for electron beam
US5932972A (en) * 1997-02-24 1999-08-03 Litton Systems, Inc. Electron gun for a multiple beam klystron
EP1171761B8 (en) 1999-04-20 2009-02-25 Dako Denmark A/S Fluid exchange in a chamber on a microscope slide
US6856081B2 (en) * 2002-07-09 2005-02-15 Communications & Power Industries, Inc. Method and apparatus for magnetic focusing of off-axis electron beam
US7116051B2 (en) * 2003-07-16 2006-10-03 Vancil Bernard K Multibeam klystron
FR2925217B1 (fr) * 2007-12-14 2013-05-24 Thales Sa Structure hyperfrequences pour tube microondes avec dispositif de confinement du faisceau a aimants permanents et refroidissement ameliore
WO2012057166A1 (ja) * 2010-10-27 2012-05-03 株式会社Ｐａｒａｍ 電子レンズおよび電子ビーム装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
US3021447A (en) * 1953-02-06 1962-02-13 Varian Associates Electron tube apparatus
US3020440A (en) * 1959-06-25 1962-02-06 Rca Corp Electron beam device
NL279385A (ja) * 1961-06-09
NL133615C (ja) * 1962-10-04
DE1491426A1 (de) * 1964-08-12 1969-05-22 Siemens Ag Permanentmagnetsystem zur gebuendelten Fuehrung eines Elektrodenstrahls ueber eine lengere Wegstrecke,insbesondere fuer Wanderfeldroehren
US3436588A (en) * 1966-11-10 1969-04-01 Varian Associates Electrostatically focused klystron having cavities with common wall structures and reentrant focusing lens housings
US3475644A (en) * 1967-04-14 1969-10-28 Varian Associates Linear beam tube employing a shielded beam focus solenoid having a reentrant cathode pole piece
US3665242A (en) * 1970-07-01 1972-05-23 Philips Corp Permanent magnetic focusing device for multi-cavity klystrons
GB1528155A (en) * 1973-02-16 1978-10-11 English Electric Valve Co Ltd Travelling wave tubes
GB1528156A (en) * 1973-02-16 1978-10-11 English Electric Valve Co Ltd Travelling wave tubes
GB1451956A (en) * 1973-02-16 1976-10-06 English Electric Valve Co Ltd Travelling wave tubes
SU661642A1 (ru) * 1975-11-17 1979-05-05 Предприятие П/Я М-5174 Магнитна линза

Also Published As

Publication number Publication date
US4433270A (en) 1984-02-21
DE3050257A1 (en) 1982-03-25
WO1981002221A1 (en) 1981-08-06
DE3050257C1 (de) 1984-10-04
JPS57500217A (ja) 1982-02-04

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BI The patent application has been withdrawn