GB616585A - Improvements in electron beam discharge tubes - Google Patents

Improvements in electron beam discharge tubes

Info

Publication number
GB616585A
GB616585A GB27538/46A GB2753846A GB616585A GB 616585 A GB616585 A GB 616585A GB 27538/46 A GB27538/46 A GB 27538/46A GB 2753846 A GB2753846 A GB 2753846A GB 616585 A GB616585 A GB 616585A
Authority
GB
United Kingdom
Prior art keywords
cathode
aperture
heated
discharge tubes
sept
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
GB27538/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB616585A publication Critical patent/GB616585A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • 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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • 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
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering

Landscapes

  • Discharge Lamp (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
GB27538/46A 1945-09-15 1946-09-13 Improvements in electron beam discharge tubes Expired GB616585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL256336X 1945-09-15

Publications (1)

Publication Number Publication Date
GB616585A true GB616585A (en) 1949-01-24

Family

ID=19781323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27538/46A Expired GB616585A (en) 1945-09-15 1946-09-13 Improvements in electron beam discharge tubes

Country Status (7)

Country Link
US (1) US2547200A (pt)
BE (1) BE469199A (pt)
CH (1) CH256336A (pt)
DE (1) DE812942C (pt)
FR (1) FR936837A (pt)
GB (1) GB616585A (pt)
NL (1) NL67617C (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656489A (en) * 1951-04-14 1953-10-20 Bell Telephone Labor Inc Electron discharge device and processing thereof
FR945456A (fr) * 1951-08-08 1949-05-05 Thomson Houston Comp Francaise Perfectionnements aux tubes à décharge
BE530043A (pt) * 1953-07-02
US2843777A (en) * 1954-01-28 1958-07-15 Rauland Corp Cathode-ray tubes
US2919380A (en) * 1957-07-23 1959-12-29 Philco Corp Electron discharge devices
US2956192A (en) * 1959-01-02 1960-10-11 Eitel Mccullough Inc Gettering electron gun
DE1213062B (de) * 1959-12-05 1966-03-24 Deutsche Bundespost Verfahren zur Herstellung einer Flaechenoxyd-kathode fuer Elektronenstrahlroehren
US3082346A (en) * 1960-05-19 1963-03-19 Gen Electric Resilient getter supporting arrangement
US3225910A (en) * 1961-02-04 1965-12-28 Porta Paolo Della Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes
DE1212227B (de) * 1961-12-13 1966-03-10 Deutsche Bundespost Flaechenkathode fuer Elektronenstrahlroehren
US3250936A (en) * 1962-06-28 1966-05-10 Gen Electric Electron gun assembly with long life annular cathode curvilinear electron flow
US3293481A (en) * 1963-07-08 1966-12-20 Varian Associates High frequency electron discharge device
DE1539135A1 (de) * 1965-06-30 1969-08-28 Siemens Ag Pumpanordnung mit Hilfskathode fuer elektrische Entladungsgefaesse
US3388275A (en) * 1966-06-08 1968-06-11 Battelle Development Corp Cathode provided with ion-producing material for decreasing space charge
DE69116209T2 (de) * 1990-04-28 1996-08-29 Sony Corp Flache Anzeigevorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632080A (en) * 1921-12-27 1927-06-14 Western Electric Co Electric discharge device
GB297332A (en) * 1927-09-17 1929-08-29 Aeg Improvements in or relating to thermionic valves
BE366084A (pt) * 1928-12-15
US1991279A (en) * 1930-10-31 1935-02-12 Philips Nv Gas filled discharge tube
US2038341A (en) * 1934-06-07 1936-04-21 Aeg Electron discharge device

Also Published As

Publication number Publication date
BE469199A (pt)
DE812942C (de) 1951-09-06
FR936837A (fr) 1948-07-30
CH256336A (fr) 1948-08-15
NL67617C (pt)
US2547200A (en) 1951-04-03

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