BE511706A - - Google Patents

Info

Publication number
BE511706A
BE511706A BE511706DA BE511706A BE 511706 A BE511706 A BE 511706A BE 511706D A BE511706D A BE 511706DA BE 511706 A BE511706 A BE 511706A
Authority
BE
Belgium
Application number
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 BE511706A publication Critical patent/BE511706A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
BE511706D 1951-06-08 BE511706A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964793X 1951-06-08

Publications (1)

Publication Number Publication Date
BE511706A true BE511706A (xx)

Family

ID=9499566

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511706D BE511706A (xx) 1951-06-08

Country Status (6)

Country Link
US (1) US2753615A (xx)
BE (1) BE511706A (xx)
CH (1) CH302721A (xx)
DE (1) DE964793C (xx)
FR (1) FR1038245A (xx)
GB (1) GB713709A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041210A (en) * 1959-12-02 1962-06-26 Tung Sol Electric Inc Method of making cold cathodes for vacuum tubes and article

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872611A (en) * 1953-11-16 1959-02-03 Sylvania Electric Prod Cathode
NL237157A (xx) * 1958-03-17
US3018404A (en) * 1958-03-27 1962-01-23 Raytheon Co Electron tube cathodes
US2932757A (en) * 1958-04-04 1960-04-12 Rca Corp High transconductance electron tube
US3226806A (en) * 1960-03-18 1966-01-04 Eitel Mccullough Inc Method of making a cathode heater assembly
US3210589A (en) * 1960-04-28 1965-10-05 Westinghouse Electric Corp Electric incandescent lamp having filament of partially recrystallized fibrous structure
US3184636A (en) * 1961-06-15 1965-05-18 Sylvania Electric Prod Cold cathode
US3525135A (en) * 1964-04-16 1970-08-25 Gen Electric Thermionic cathode
DE1120016B (de) * 1964-07-08 1961-12-21 Elger 1 Alpenlaendisches Unter Nicht geheizte Elektrode, insbesondere fuer Niederspannungsleuchtstofflampen, sowie Lampe mit solchen Elektroden
US5585694A (en) * 1990-12-04 1996-12-17 North American Philips Corporation Low pressure discharge lamp having sintered "cold cathode" discharge electrodes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2142331A (en) * 1935-03-09 1939-01-03 Bell Telephone Labor Inc Electron emitting cathode
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
CH209750A (de) * 1937-09-25 1940-04-30 Lorenz C Ag Verfahren zur Herstellung einer Entladungsröhre.
US2317754A (en) * 1940-07-31 1943-04-27 Gorlich Paul Method of producing secondary electron emitting cathodes
BE461895A (xx) * 1944-01-17
NL77182C (xx) * 1948-12-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041210A (en) * 1959-12-02 1962-06-26 Tung Sol Electric Inc Method of making cold cathodes for vacuum tubes and article

Also Published As

Publication number Publication date
GB713709A (en) 1954-08-18
US2753615A (en) 1956-07-10
CH302721A (fr) 1954-10-31
DE964793C (de) 1957-05-29
FR1038245A (fr) 1953-09-25

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