BE419911A - - Google Patents

Info

Publication number
BE419911A
BE419911A BE419911DA BE419911A BE 419911 A BE419911 A BE 419911A BE 419911D A BE419911D A BE 419911DA BE 419911 A BE419911 A BE 419911A
Authority
BE
Belgium
Application number
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.)
Publication of BE419911A publication Critical patent/BE419911A/xx

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
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/32—Secondary-electron-emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Discharge Lamp (AREA)
BE419911D 1936-02-10 BE419911A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE473398X 1936-02-10

Publications (1)

Publication Number Publication Date
BE419911A true BE419911A (en:Method)

Family

ID=6541560

Family Applications (1)

Application Number Title Priority Date Filing Date
BE419911D BE419911A (en:Method) 1936-02-10

Country Status (4)

Country Link
US (1) US2146099A (en:Method)
BE (1) BE419911A (en:Method)
FR (1) FR817503A (en:Method)
GB (1) GB473398A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE446289A (en:Method) * 1941-07-03
US2530167A (en) * 1944-12-14 1950-11-14 Hartford Nat Bank & Trust Co Discharge tube
NL208204A (en:Method) * 1955-06-21

Also Published As

Publication number Publication date
FR817503A (fr) 1937-09-04
US2146099A (en) 1939-02-07
GB473398A (en) 1937-10-12

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