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

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments

Landscapes

  • Solid Thermionic Cathode (AREA)
BE511584D BE511584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE511584A true BE511584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=150303

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511584D BE511584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE511584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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