BE457924A - - Google Patents

Info

Publication number
BE457924A
BE457924A BE457924DA BE457924A BE 457924 A BE457924 A BE 457924A BE 457924D A BE457924D A BE 457924DA BE 457924 A BE457924 A BE 457924A
Authority
BE
Belgium
Prior art keywords
substance
oxide
electrode
heat well
radiates heat
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE457924A publication Critical patent/BE457924A/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
    • 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
    • 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
    • H01J2893/0022Manufacture
    • H01J2893/0023Manufacture carbonising and other surface treatments

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
BE457924D BE457924A (cs)

Publications (1)

Publication Number Publication Date
BE457924A true BE457924A (cs)

Family

ID=111310

Family Applications (1)

Application Number Title Priority Date Filing Date
BE457924D BE457924A (cs)

Country Status (1)

Country Link
BE (1) BE457924A (cs)

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