BE728184A - - Google Patents

Info

Publication number
BE728184A
BE728184A BE728184DA BE728184A BE 728184 A BE728184 A BE 728184A BE 728184D A BE728184D A BE 728184DA BE 728184 A BE728184 A BE 728184A
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 BE728184A publication Critical patent/BE728184A/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)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Chemical Vapour Deposition (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
BE728184D 1968-03-22 1969-02-10 BE728184A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71520168A 1968-03-22 1968-03-22

Publications (1)

Publication Number Publication Date
BE728184A true BE728184A (enrdf_load_stackoverflow) 1969-07-16

Family

ID=24873049

Family Applications (1)

Application Number Title Priority Date Filing Date
BE728184D BE728184A (enrdf_load_stackoverflow) 1968-03-22 1969-02-10

Country Status (7)

Country Link
US (1) US3536526A (enrdf_load_stackoverflow)
BE (1) BE728184A (enrdf_load_stackoverflow)
DE (1) DE1913717C3 (enrdf_load_stackoverflow)
ES (1) ES364973A1 (enrdf_load_stackoverflow)
FR (1) FR2004493A1 (enrdf_load_stackoverflow)
GB (1) GB1225093A (enrdf_load_stackoverflow)
NL (1) NL152398B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814016B2 (ja) * 1978-03-31 1983-03-17 株式会社日立製作所 直熱形酸化物陰極用基体金属板材
US4382980A (en) * 1979-03-07 1983-05-10 E. I. Du Pont De Nemours And Company Magnesium compositions and process for forming MGO film
US4459322A (en) * 1981-12-28 1984-07-10 North American Philips Consumer Electronics Corp. Method for producing cathode structure for cathode ray tubes utilizing urea-containing slurry
JPS58154130A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 電子管用陰極
US4836816A (en) * 1988-05-06 1989-06-06 Gte Products Corporation Method of treating tungsten cathodes
US5277637A (en) * 1989-04-03 1994-01-11 U.S. Philips Corporation Cathode for an electric discharge tube
US6660074B1 (en) 2000-11-16 2003-12-09 Egl Company, Inc. Electrodes for gas discharge lamps; emission coatings therefore; and methods of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215557A (en) * 1962-08-29 1965-11-02 Bell Telephone Labor Inc Zirconium-niobium-nickel cathodes

Also Published As

Publication number Publication date
DE1913717C3 (de) 1980-04-30
DE1913717A1 (de) 1969-10-09
GB1225093A (enrdf_load_stackoverflow) 1971-03-17
DE1913717B2 (de) 1975-06-19
US3536526A (en) 1970-10-27
ES364973A1 (es) 1971-02-16
FR2004493A1 (enrdf_load_stackoverflow) 1969-11-28
NL6904387A (enrdf_load_stackoverflow) 1969-09-24
NL152398B (nl) 1977-02-15

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