BE484001A - Perfectionnements aux cathodes pour tubes à vide - Google Patents

Perfectionnements aux cathodes pour tubes à vide

Info

Publication number
BE484001A
BE484001A BE484001DA BE484001A BE 484001 A BE484001 A BE 484001A BE 484001D A BE484001D A BE 484001DA BE 484001 A BE484001 A BE 484001A
Authority
BE
Belgium
Prior art keywords
refinements
cathode
vacuum tubes
tubes
vacuum
Prior art date
Application number
Other languages
English (en)
Original Assignee
Acec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Acec filed Critical Acec
Publication of BE484001A publication Critical patent/BE484001A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
BE484001D 1947-09-17 1948-07-16 Perfectionnements aux cathodes pour tubes à vide BE484001A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953992T 1947-09-17

Publications (1)

Publication Number Publication Date
BE484001A true BE484001A (fr) 1948-08-14

Family

ID=75947268

Family Applications (1)

Application Number Title Priority Date Filing Date
BE484001D BE484001A (fr) 1947-09-17 1948-07-16 Perfectionnements aux cathodes pour tubes à vide

Country Status (2)

Country Link
BE (1) BE484001A (fr)
FR (1) FR953992A (fr)

Also Published As

Publication number Publication date
FR953992A (fr) 1949-12-16

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