BE478598A - - Google Patents

Info

Publication number
BE478598A
BE478598A BE478598DA BE478598A BE 478598 A BE478598 A BE 478598A BE 478598D A BE478598D A BE 478598DA BE 478598 A BE478598 A BE 478598A
Authority
BE
Belgium
Prior art keywords
opening
grid
plate
wires
thread
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE478598A publication Critical patent/BE478598A/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
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
    • 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
    • H01J2893/0015—Non-sealed electrodes
    • 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

Landscapes

  • Solid Thermionic Cathode (AREA)
BE478598D BE478598A (en:Method)

Publications (1)

Publication Number Publication Date
BE478598A true BE478598A (en:Method)

Family

ID=126317

Family Applications (1)

Application Number Title Priority Date Filing Date
BE478598D BE478598A (en:Method)

Country Status (1)

Country Link
BE (1) BE478598A (en:Method)

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