GB1020141A - - Google Patents

Info

Publication number
GB1020141A
GB1020141A GB1020141DA GB1020141A GB 1020141 A GB1020141 A GB 1020141A GB 1020141D A GB1020141D A GB 1020141DA GB 1020141 A GB1020141 A GB 1020141A
Authority
GB
United Kingdom
Prior art keywords
magnetic
travelling
field
rings
washers
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1020141A publication Critical patent/GB1020141A/en
Active legal-status Critical Current

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
    • H01J23/0876—Magnetic focusing arrangements with arrangements improving the linearity and homogeniety of the axial field, e.g. field straightener

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Treatment Devices (AREA)
  • Microwave Tubes (AREA)
GB1020141D 1963-10-04 Active GB1020141A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR949554A FR1382186A (fr) 1963-10-04 1963-10-04 Perfectionnements aux correcteurs de champ magnétique

Publications (1)

Publication Number Publication Date
GB1020141A true GB1020141A (en:Method)

Family

ID=8813667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1020141D Active GB1020141A (en:Method) 1963-10-04

Country Status (4)

Country Link
US (1) US3304523A (en:Method)
DE (1) DE1286654B (en:Method)
FR (1) FR1382186A (en:Method)
GB (1) GB1020141A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461410A (en) * 1967-08-21 1969-08-12 Atomic Energy Commission 2-n pole electromagnet for focusing charged particles
US3924210A (en) * 1974-11-01 1975-12-02 Raytheon Co Field shaping magnet structure
GB2058445A (en) * 1979-09-11 1981-04-08 Dodonov J I Microwave device of the magnetron type
US5382936A (en) * 1992-06-02 1995-01-17 The United States Of America As Represented By The Secretary Of The Army Field augmented permanent magnet structures
FR2759208B1 (fr) * 1997-01-31 1999-05-07 Thomson Csf Dispositif de controle du pointage et de la focalisation des chaines laser sur une cible

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797360A (en) * 1953-03-26 1957-06-25 Int Standard Electric Corp Travelling wave amplifiers
NL204569A (en:Method) * 1955-02-26
GB824860A (en) * 1955-07-22 1959-12-09 Perkin Elmer Corp Apparatus for the production of a homogenous magnetic field
US2925517A (en) * 1957-05-23 1960-02-16 Bell Telephone Labor Inc Electron beam focusing magnetic circuit
US2942141A (en) * 1957-06-06 1960-06-21 Bell Telephone Labor Inc Magnetic structures for traveling wave tubes
US2939995A (en) * 1958-05-19 1960-06-07 Bell Telephone Labor Inc Traveling wave tube

Also Published As

Publication number Publication date
DE1286654B (de) 1969-01-09
US3304523A (en) 1967-02-14
FR1382186A (fr) 1964-12-18

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