BE693505A - - Google Patents

Info

Publication number
BE693505A
BE693505A BE693505DA BE693505A BE 693505 A BE693505 A BE 693505A BE 693505D A BE693505D A BE 693505DA BE 693505 A BE693505 A BE 693505A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE693505A publication Critical patent/BE693505A/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)
  • Discharge Lamp (AREA)
BE693505D 1966-04-18 1967-02-01 BE693505A (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57986A FR1489755A (fr) 1966-04-18 1966-04-18 Procédé pour le traitement carburant d'une électrode à l'oxyde de thorium

Publications (1)

Publication Number Publication Date
BE693505A true BE693505A (pl) 1967-08-01

Family

ID=8606469

Family Applications (1)

Application Number Title Priority Date Filing Date
BE693505D BE693505A (pl) 1966-04-18 1967-02-01

Country Status (5)

Country Link
US (1) US3510190A (pl)
BE (1) BE693505A (pl)
CH (1) CH460186A (pl)
FR (1) FR1489755A (pl)
GB (1) GB1166927A (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846006A (en) * 1972-02-24 1974-11-05 Picker Corp Method of manufacturing of x-ray tube having thoriated tungsten filament
US5001397A (en) * 1985-07-17 1991-03-19 U.S. Philips Corporation High-pressure gas discharge lamp having electrodes with coil layers having interlocking turns

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1704981A (en) * 1927-08-26 1929-03-12 Lebrun Paul Francois Joseph Method of preparing luminescent tubes
US2401040A (en) * 1942-10-05 1946-05-28 Eitel Mccullough Inc Method of making electronic tubes
US2324559A (en) * 1943-04-05 1943-07-20 Machlett Lab Inc Manufacture of vacuum apparatus
US2591474A (en) * 1950-05-26 1952-04-01 Raytheon Mfg Co Cold cathode discharge device

Also Published As

Publication number Publication date
US3510190A (en) 1970-05-05
GB1166927A (en) 1969-10-15
CH460186A (fr) 1968-07-31
DE1589111B2 (de) 1975-10-30
FR1489755A (fr) 1967-07-28
DE1589111A1 (de) 1970-03-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CLAUDE PAZ ET VISSEAUX

Effective date: 19840201