BE408092A - - Google Patents

Info

Publication number
BE408092A
BE408092A BE408092DA BE408092A BE 408092 A BE408092 A BE 408092A BE 408092D A BE408092D A BE 408092DA BE 408092 A BE408092 A BE 408092A
Authority
BE
Belgium
Prior art keywords
metal
photoelectric
tube
released
heating
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE408092A publication Critical patent/BE408092A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02Details
    • H01J40/04Electrodes
    • H01J40/06Photo-emissive cathodes

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
BE408092D BE408092A (instruction)

Publications (1)

Publication Number Publication Date
BE408092A true BE408092A (instruction)

Family

ID=72738

Family Applications (1)

Application Number Title Priority Date Filing Date
BE408092D BE408092A (instruction)

Country Status (1)

Country Link
BE (1) BE408092A (instruction)

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