SE301193B - - Google Patents

Info

Publication number
SE301193B
SE301193B SE7281/63A SE728163A SE301193B SE 301193 B SE301193 B SE 301193B SE 7281/63 A SE7281/63 A SE 7281/63A SE 728163 A SE728163 A SE 728163A SE 301193 B SE301193 B SE 301193B
Authority
SE
Sweden
Application number
SE7281/63A
Inventor
M Bodmer
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE301193B publication Critical patent/SE301193B/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
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Radiation-Therapy Devices (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Microwave Tubes (AREA)
SE7281/63A 1962-07-03 1963-07-01 SE301193B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US207294A US3265925A (en) 1962-07-03 1962-07-03 Field perturbing means for preventing beam scalloping in reversed field focusing system

Publications (1)

Publication Number Publication Date
SE301193B true SE301193B (xx) 1968-05-27

Family

ID=22769935

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7281/63A SE301193B (xx) 1962-07-03 1963-07-01

Country Status (5)

Country Link
US (1) US3265925A (xx)
DE (1) DE1491540A1 (xx)
FR (1) FR1365620A (xx)
GB (1) GB1049875A (xx)
SE (1) SE301193B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396299A (en) * 1964-06-15 1968-08-06 Jeol Ltd Magnetic flux leakage guide for magnetic electron lenses
DE1541036B1 (de) * 1966-04-26 1970-08-06 Siemens Ag System zur Erzeugung eines Elektronenhohlstrahls fuer Laufzeitroehren,insbesondere Wanderfeldroehren hoher Leistung
US3614516A (en) * 1970-03-13 1971-10-19 Varian Associates Electron tubes employing a hollow magnetron injected beam and magnetic field reversal focusing
GB2152742B (en) * 1980-04-28 1986-02-19 Emi Varian Ltd Microwave amplifiers and oscillators
FR2591031A1 (fr) * 1985-11-29 1987-06-05 Thomson Csf Focalisateur pour faisceau electronique et tube a ondes progressives equipe d'un tel focalisateur
US7666293B2 (en) * 2007-10-04 2010-02-23 Dow Agrosciences Llc Electrochemical reduction of halogenated 4-aminopicolinic acids

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707758A (en) * 1950-12-19 1955-05-03 Sperry Corp Travelling wave tube
NL95352C (xx) * 1953-04-29
BE534618A (xx) * 1954-01-04
US2817035A (en) * 1954-04-26 1957-12-17 Hughes Aircraft Co Brillouin flow electron gun
US2956198A (en) * 1955-06-10 1960-10-11 Bell Telephone Labor Inc Traveling wave tubes
NL250365A (xx) * 1959-04-10
US3020440A (en) * 1959-06-25 1962-02-06 Rca Corp Electron beam device

Also Published As

Publication number Publication date
GB1049875A (en) 1966-11-30
FR1365620A (fr) 1964-07-03
DE1491540B2 (xx) 1970-09-10
US3265925A (en) 1966-08-09
DE1491540A1 (de) 1969-02-20

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