FR705915A - Improvements made to incandescent cathode manufacturing processes - Google Patents

Improvements made to incandescent cathode manufacturing processes

Info

Publication number
FR705915A
FR705915A FR705915DA FR705915A FR 705915 A FR705915 A FR 705915A FR 705915D A FR705915D A FR 705915DA FR 705915 A FR705915 A FR 705915A
Authority
FR
France
Prior art keywords
manufacturing processes
improvements made
cathode manufacturing
incandescent cathode
incandescent
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Fritz Hansgirg
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 filed Critical
Application granted granted Critical
Publication of FR705915A publication Critical patent/FR705915A/en
Expired legal-status Critical Current

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Metals (AREA)
FR705915D 1930-11-19 1930-11-19 Improvements made to incandescent cathode manufacturing processes Expired FR705915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR705915T 1930-11-19

Publications (1)

Publication Number Publication Date
FR705915A true FR705915A (en) 1931-06-16

Family

ID=9067464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705915D Expired FR705915A (en) 1930-11-19 1930-11-19 Improvements made to incandescent cathode manufacturing processes

Country Status (2)

Country Link
FR (1) FR705915A (en)
GB (1) GB381934A (en)

Also Published As

Publication number Publication date
GB381934A (en) 1932-10-03

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