CH314779A - A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method - Google Patents

A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method

Info

Publication number
CH314779A
CH314779A CH314779DA CH314779A CH 314779 A CH314779 A CH 314779A CH 314779D A CH314779D A CH 314779DA CH 314779 A CH314779 A CH 314779A
Authority
CH
Switzerland
Prior art keywords
discharge tube
manufacturing
manufactured
electric discharge
electric
Prior art date
Application number
Other languages
German (de)
Inventor
Elenbaas Willem
Loosjes Robert
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 CH314779A publication Critical patent/CH314779A/en

Links

Classifications

    • 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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
    • 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)
CH314779D 1952-03-24 1953-03-23 A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method CH314779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL314779X 1952-03-24

Publications (1)

Publication Number Publication Date
CH314779A true CH314779A (en) 1956-06-30

Family

ID=19783766

Family Applications (1)

Application Number Title Priority Date Filing Date
CH314779D CH314779A (en) 1952-03-24 1953-03-23 A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method

Country Status (7)

Country Link
BE (1) BE518639A (en)
CH (1) CH314779A (en)
DE (1) DE974888C (en)
FR (1) FR1073725A (en)
GB (1) GB725450A (en)
IT (1) IT500462A (en)
NL (1) NL168358C (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL24414C (en) * 1926-06-09
CH128076A (en) * 1926-06-09 1928-10-01 Philips Nv Hot cathode for discharge vessels.
DE572700C (en) * 1926-06-09 1933-03-22 Friedrich Meyer Dr Incandescent cathode for discharge vessels
NL23762C (en) * 1928-04-13
DE597580C (en) * 1928-05-01 1934-05-26 Osram G M B H Komm Ges Electric light or ultraviolet radiation tubes
GB311294A (en) * 1928-05-08 1930-08-08 Hans Joachim Spanner Improvements in and relating to electric discharge devices
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
BE482916A (en) * 1947-06-05
GB650730A (en) * 1947-07-16 1951-02-28 British Thomson Houston Co Ltd Improvements in and relating to electron emitting materials

Also Published As

Publication number Publication date
IT500462A (en)
GB725450A (en) 1955-03-02
BE518639A (en)
FR1073725A (en) 1954-09-28
NL168358C (en)
DE974888C (en) 1961-05-25

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