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BE346599A - - Google Patents
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BE346599A - - Google Patents

Info

Publication number
BE346599A
BE346599A BE346599DA BE346599A BE 346599 A BE346599 A BE 346599A BE 346599D A BE346599D A BE 346599DA BE 346599 A BE346599 A BE 346599A
Authority
BE
Belgium
Prior art keywords
metal
cathodes
alkaline earth
coated
electrode
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE346599A publication Critical patent/BE346599A/fr

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)
BE346599D BE346599A (sr)

Publications (1)

Publication Number Publication Date
BE346599A true BE346599A (sr)

Family

ID=22424

Family Applications (1)

Application Number Title Priority Date Filing Date
BE346599D BE346599A (sr)

Country Status (1)

Country Link
BE (1) BE346599A (sr)

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