BE511584A - - Google Patents

Info

Publication number
BE511584A
BE511584A BE511584DA BE511584A BE 511584 A BE511584 A BE 511584A BE 511584D A BE511584D A BE 511584DA BE 511584 A BE511584 A BE 511584A
Authority
BE
Belgium
Prior art keywords
emissive
platinum
electrodes
carbon
coating
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE511584A publication Critical patent/BE511584A/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
    • 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

  • Solid Thermionic Cathode (AREA)
BE511584D BE511584A (en:Method)

Publications (1)

Publication Number Publication Date
BE511584A true BE511584A (en:Method)

Family

ID=150303

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511584D BE511584A (en:Method)

Country Status (1)

Country Link
BE (1) BE511584A (en:Method)

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