GB851626A - Improvements in or relating to low noise electron guns - Google Patents

Improvements in or relating to low noise electron guns

Info

Publication number
GB851626A
GB851626A GB2158158A GB2158158A GB851626A GB 851626 A GB851626 A GB 851626A GB 2158158 A GB2158158 A GB 2158158A GB 2158158 A GB2158158 A GB 2158158A GB 851626 A GB851626 A GB 851626A
Authority
GB
United Kingdom
Prior art keywords
cathode
electrode
profile
emissive surface
low
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.)
Expired
Application number
GB2158158A
Other languages
English (en)
Inventor
Malcolm Roderick Currie
Donald Charlesforster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Co
Original Assignee
Hughes Aircraft 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
Priority to US631129A priority Critical patent/US2936393A/en
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Priority to GB2158158A priority patent/GB851626A/en
Priority to FR1207892D priority patent/FR1207892A/fr
Priority to BE569855A priority patent/BE569855A/xx
Publication of GB851626A publication Critical patent/GB851626A/en
Expired 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
    • H01J23/06—Electron or ion guns
    • H01J23/07—Electron or ion guns producing a hollow cylindrical beam
    • 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
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming

Landscapes

  • Microwave Tubes (AREA)
GB2158158A 1956-12-28 1958-07-04 Improvements in or relating to low noise electron guns Expired GB851626A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US631129A US2936393A (en) 1956-12-28 1956-12-28 Low noise traveling-wave tube
GB2158158A GB851626A (en) 1958-07-04 1958-07-04 Improvements in or relating to low noise electron guns
FR1207892D FR1207892A (fr) 1958-07-04 1958-07-23 Canon électronique à faible bruit de fond
BE569855A BE569855A (enrdf_load_stackoverflow) 1958-07-04 1958-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2158158A GB851626A (en) 1958-07-04 1958-07-04 Improvements in or relating to low noise electron guns

Publications (1)

Publication Number Publication Date
GB851626A true GB851626A (en) 1960-10-19

Family

ID=10165319

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2158158A Expired GB851626A (en) 1956-12-28 1958-07-04 Improvements in or relating to low noise electron guns

Country Status (3)

Country Link
BE (1) BE569855A (enrdf_load_stackoverflow)
FR (1) FR1207892A (enrdf_load_stackoverflow)
GB (1) GB851626A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584431B1 (fr) * 1992-08-28 1994-11-02 Fabriques De Tabac Reunies S.A. Emballage, notamment pour paquet de produits de l'industrie du tabac, ébauche et procédé d'assemblage dudit emballage

Also Published As

Publication number Publication date
BE569855A (enrdf_load_stackoverflow) 1958-08-14
FR1207892A (fr) 1960-02-19

Similar Documents

Publication Publication Date Title
GB1039833A (en) Crossed field tube
US2452044A (en) High emission cathode
GB471149A (en) Improvements relating to television or like transmitting tubes
GB981743A (en) Improvements in electron guns
GB851626A (en) Improvements in or relating to low noise electron guns
GB641428A (en) Improvements in or relating to cathode ray tubes of the signal storing type
GB794333A (en) Velocity modulated electron tubes
GB1045721A (en) Ion transport pump
GB842967A (en) Low noise electron gun
GB629881A (en) Improvements in electric discharge tubes comprising secondary emission electrodes
GB962621A (en) Improvements in or relating to electron guns for microwave tubes
US2115155A (en) Electron multiplier
GB487044A (en) Improvements in frequency-changing arrangements and electric discharge tubes for use therein
GB480867A (en) Improvements in or relating to electron discharge tubes
GB525243A (en) Radio frequency multipactor amplifier
GB499649A (en) Improvements in or relating to electron multipliers
GB525599A (en) Improvements in or relating to electric discharge tubes
GB1438502A (en) Field emission electron sources
GB525402A (en) Electronic amplifier
GB1076347A (en) High frequency electron discharge devices having asymmetric self-biased ion draining electrodes
GB483050A (en) Method of controlling the discharge current of electron valves
GB793665A (en) Improvements in or relating to electron discharge tubes
GB809757A (en) Improvements in or relating to travelling-wave tubes
GB601966A (en) Improvements in or relating to electron discharge devices
GB478613A (en) Improvements in or relating to secondary emission electron multipliers