CH270673A - Process for producing an electrical discharge tube with an oxide cathode and discharge tube produced according to this process. - Google Patents

Process for producing an electrical discharge tube with an oxide cathode and discharge tube produced according to this process.

Info

Publication number
CH270673A
CH270673A CH270673DA CH270673A CH 270673 A CH270673 A CH 270673A CH 270673D A CH270673D A CH 270673DA CH 270673 A CH270673 A CH 270673A
Authority
CH
Switzerland
Prior art keywords
discharge tube
producing
produced according
oxide cathode
electrical discharge
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 CH270673A publication Critical patent/CH270673A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
CH270673D 1946-08-30 1947-08-28 Process for producing an electrical discharge tube with an oxide cathode and discharge tube produced according to this process. CH270673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL270673X 1946-08-30

Publications (1)

Publication Number Publication Date
CH270673A true CH270673A (en) 1950-09-15

Family

ID=19781917

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270673D CH270673A (en) 1946-08-30 1947-08-28 Process for producing an electrical discharge tube with an oxide cathode and discharge tube produced according to this process.

Country Status (5)

Country Link
BE (1) BE475719A (en)
CH (1) CH270673A (en)
FR (1) FR952558A (en)
GB (1) GB656522A (en)
NL (1) NL74345C (en)

Also Published As

Publication number Publication date
BE475719A (en)
GB656522A (en) 1951-08-22
FR952558A (en) 1949-11-21
NL74345C (en)

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