BE422482A - - Google Patents

Info

Publication number
BE422482A
BE422482A BE422482DA BE422482A BE 422482 A BE422482 A BE 422482A BE 422482D A BE422482D A BE 422482DA BE 422482 A BE422482 A BE 422482A
Authority
BE
Belgium
Prior art keywords
layer
core
nickel
anchor
platinum
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE422482A publication Critical patent/BE422482A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02Details
    • H01J13/04Main electrodes; Auxiliary anodes
    • H01J13/06Cathodes
    • H01J13/12Positioning or moving the cathode spot on the surface of the pool
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0072Disassembly or repair of discharge tubes
    • H01J2893/0073Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0075Cathodic cups
    • H01J2893/008Means for stabilising the cathodic spot

Landscapes

  • Solid Thermionic Cathode (AREA)
BE422482D BE422482A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE422482A true BE422482A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=84138

Family Applications (1)

Application Number Title Priority Date Filing Date
BE422482D BE422482A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE422482A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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