BE370899A - - Google Patents

Info

Publication number
BE370899A
BE370899A BE370899DA BE370899A BE 370899 A BE370899 A BE 370899A BE 370899D A BE370899D A BE 370899DA BE 370899 A BE370899 A BE 370899A
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 BE370899A publication Critical patent/BE370899A/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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Physical Vapour Deposition (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
BE370899D 1929-06-07 BE370899A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL75324D DE628900C (de) 1929-06-07 1929-06-07 Verfahren zum Herstellen von hochemittierenden Kathoden in Mehrsystemroehren

Publications (1)

Publication Number Publication Date
BE370899A true BE370899A (enrdf_load_stackoverflow)

Family

ID=34876961

Family Applications (1)

Application Number Title Priority Date Filing Date
BE370899D BE370899A (enrdf_load_stackoverflow) 1929-06-07

Country Status (7)

Country Link
US (1) US1990041A (enrdf_load_stackoverflow)
AT (1) AT130795B (enrdf_load_stackoverflow)
BE (1) BE370899A (enrdf_load_stackoverflow)
DE (1) DE628900C (enrdf_load_stackoverflow)
FR (1) FR697130A (enrdf_load_stackoverflow)
GB (1) GB353624A (enrdf_load_stackoverflow)
NL (1) NL30240C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682619A (en) * 1948-08-19 1954-06-29 Sylvania Electric Prod Cold cathode gas discharge tube
US2635201A (en) * 1949-09-30 1953-04-14 Rca Corp Electronic discharge device
US2758239A (en) * 1952-09-13 1956-08-07 Varian Associates Getter and method of making same
US2845324A (en) * 1954-12-03 1958-07-29 Itt Gas discharge tube
US2834905A (en) * 1956-03-28 1958-05-13 Bendix Aviat Corp Electron discharge device

Also Published As

Publication number Publication date
FR697130A (fr) 1931-01-12
US1990041A (en) 1935-02-05
AT130795B (de) 1932-12-10
GB353624A (enrdf_load_stackoverflow) 1931-07-30
NL30240C (enrdf_load_stackoverflow)
DE628900C (de) 1936-04-18

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