GB579371A - Means for preventing the spreading of high density electron beams - Google Patents

Means for preventing the spreading of high density electron beams

Info

Publication number
GB579371A
GB579371A GB9486/43A GB948643A GB579371A GB 579371 A GB579371 A GB 579371A GB 9486/43 A GB9486/43 A GB 9486/43A GB 948643 A GB948643 A GB 948643A GB 579371 A GB579371 A GB 579371A
Authority
GB
United Kingdom
Prior art keywords
tube
ions
leakage
gas
vacua
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
GB9486/43A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB579371A publication Critical patent/GB579371A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

Landscapes

  • Particle Accelerators (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Electron Sources, Ion Sources (AREA)
GB9486/43A 1942-06-15 1943-06-11 Means for preventing the spreading of high density electron beams Expired GB579371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447194A US2436833A (en) 1942-06-15 1942-06-15 High density beam tube

Publications (1)

Publication Number Publication Date
GB579371A true GB579371A (en) 1946-08-01

Family

ID=23775370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9486/43A Expired GB579371A (en) 1942-06-15 1943-06-11 Means for preventing the spreading of high density electron beams

Country Status (5)

Country Link
US (1) US2436833A (fr)
CH (1) CH270142A (fr)
ES (1) ES172514A1 (fr)
FR (1) FR939121A (fr)
GB (1) GB579371A (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL48925C (fr) * 1933-07-08
BE406706A (fr) * 1933-12-09
US2160021A (en) * 1937-06-29 1939-05-30 Rca Corp Electrode arrangement for cathode ray tubes
US2174580A (en) * 1937-07-08 1939-10-03 Hazeltine Corp Cathode-ray tube system
BE434657A (fr) * 1937-07-14
US2206666A (en) * 1937-10-22 1940-07-02 Rca Corp Cathode ray tube
US2245627A (en) * 1938-06-24 1941-06-17 Univ Leland Stanford Junior Stabilization of frequency
US2278210A (en) * 1940-07-05 1942-03-31 Bell Telephone Labor Inc Electron discharge device

Also Published As

Publication number Publication date
CH270142A (fr) 1950-08-15
US2436833A (en) 1948-03-02
FR939121A (fr) 1948-11-04
ES172514A1 (es) 1946-03-16

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