BE429592A - - Google Patents

Info

Publication number
BE429592A
BE429592A BE429592DA BE429592A BE 429592 A BE429592 A BE 429592A BE 429592D A BE429592D A BE 429592DA BE 429592 A BE429592 A BE 429592A
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 BE429592A publication Critical patent/BE429592A/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)
  • Spark Plugs (AREA)
  • Discharge Lamp (AREA)
BE429592D 1937-08-09 BE429592A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL208243X 1937-08-09

Publications (1)

Publication Number Publication Date
BE429592A true BE429592A (enrdf_load_stackoverflow)

Family

ID=19778672

Family Applications (1)

Application Number Title Priority Date Filing Date
BE429592D BE429592A (enrdf_load_stackoverflow) 1937-08-09

Country Status (5)

Country Link
BE (1) BE429592A (enrdf_load_stackoverflow)
CH (1) CH208243A (enrdf_load_stackoverflow)
DE (1) DE737996C (enrdf_load_stackoverflow)
FR (1) FR841828A (enrdf_load_stackoverflow)
GB (1) GB517743A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526574A (en) * 1947-06-14 1950-10-17 Bell Telephone Labor Inc Secondary emitter

Also Published As

Publication number Publication date
CH208243A (de) 1940-01-15
GB517743A (en) 1940-02-07
FR841828A (fr) 1939-05-31
DE737996C (de) 1943-08-02

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