CH298663A - A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method. - Google Patents

A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method.

Info

Publication number
CH298663A
CH298663A CH298663DA CH298663A CH 298663 A CH298663 A CH 298663A CH 298663D A CH298663D A CH 298663DA CH 298663 A CH298663 A CH 298663A
Authority
CH
Switzerland
Prior art keywords
cathode
manufacturing
discharge tube
electric discharge
manufactured according
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH298663A publication Critical patent/CH298663A/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Powder Metallurgy (AREA)
CH298663D 1951-02-02 1952-01-31 A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method. CH298663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL298663X 1951-02-02

Publications (1)

Publication Number Publication Date
CH298663A true CH298663A (en) 1954-05-15

Family

ID=19783115

Family Applications (1)

Application Number Title Priority Date Filing Date
CH298663D CH298663A (en) 1951-02-02 1952-01-31 A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method.

Country Status (6)

Country Link
BE (1) BE508873A (en)
CH (1) CH298663A (en)
DE (1) DE925367C (en)
FR (1) FR1050051A (en)
GB (1) GB700053A (en)
NL (1) NL76950C (en)

Also Published As

Publication number Publication date
GB700053A (en) 1953-11-25
DE925367C (en) 1955-03-21
NL76950C (en)
BE508873A (en)
FR1050051A (en) 1954-01-05

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