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 (en:Method)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE511706A true BE511706A (en:Method)

Family

ID=9499566

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511706D BE511706A (en:Method) 1951-06-08

Country Status (6)

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

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 (en:Method) * 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 (en:Method) * 1944-01-17
NL77182C (en:Method) * 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
DE964793C (de) 1957-05-29
GB713709A (en) 1954-08-18
FR1038245A (fr) 1953-09-25
CH302721A (fr) 1954-10-31
US2753615A (en) 1956-07-10

Similar Documents

Publication Publication Date Title
IT500060A (en:Method)
BE501787A (en:Method)
BE501709A (en:Method)
NL77282C (en:Method)
BE501372A (en:Method)
NL7301748A (en:Method)
NL170965A (en:Method)
BE501371A (en:Method)
BE501330A (en:Method)
BE501312A (en:Method)
NL164884B (en:Method)
LU31977A1 (en:Method)
BE525646A (en:Method)
BE501201A (en:Method)
BE501200A (en:Method)
BE501183A (en:Method)
BE525093A (en:Method)
BE515271A (en:Method)
BE513719A (en:Method)
BE512885A (en:Method)
BE512622A (en:Method)
BE511951A (en:Method)
BE510567A (en:Method)
BE510102A (en:Method)
BE501143A (en:Method)