BE358352A - - Google Patents

Info

Publication number
BE358352A
BE358352A BE358352DA BE358352A BE 358352 A BE358352 A BE 358352A BE 358352D A BE358352D A BE 358352DA BE 358352 A BE358352 A BE 358352A
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 BE358352A publication Critical patent/BE358352A/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
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
    • 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)
BE358352D 1928-05-26 BE358352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES85829D DE535091C (en) 1928-05-26 1928-05-26 Process for the production of glow cathodes in which barium is deposited directly on the core wire by distillation

Publications (1)

Publication Number Publication Date
BE358352A true BE358352A (en)

Family

ID=7512603

Family Applications (1)

Application Number Title Priority Date Filing Date
BE358352D BE358352A (en) 1928-05-26

Country Status (2)

Country Link
BE (1) BE358352A (en)
DE (1) DE535091C (en)

Also Published As

Publication number Publication date
DE535091C (en) 1931-10-05

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