BE498586A - - Google Patents

Info

Publication number
BE498586A
BE498586A BE498586DA BE498586A BE 498586 A BE498586 A BE 498586A BE 498586D A BE498586D A BE 498586DA BE 498586 A BE498586 A BE 498586A
Authority
BE
Belgium
Prior art keywords
anode
cathode
gold
grids
thorium
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE498586A publication Critical patent/BE498586A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28Non-electron-emitting electrodes; Screens
    • H01J19/30Non-electron-emitting electrodes; Screens characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012Constructional arrangements
    • H01J2893/0019Chemical composition and manufacture
    • H01J2893/002Chemical composition and manufacture chemical

Landscapes

  • Discharge Lamp (AREA)
BE498586D BE498586A (OSRAM)

Publications (1)

Publication Number Publication Date
BE498586A true BE498586A (OSRAM)

Family

ID=141216

Family Applications (1)

Application Number Title Priority Date Filing Date
BE498586D BE498586A (OSRAM)

Country Status (1)

Country Link
BE (1) BE498586A (OSRAM)

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