GB673438A - Oxide cathode and process for the production thereof - Google Patents

Oxide cathode and process for the production thereof

Info

Publication number
GB673438A
GB673438A GB9129/50A GB912950A GB673438A GB 673438 A GB673438 A GB 673438A GB 9129/50 A GB9129/50 A GB 9129/50A GB 912950 A GB912950 A GB 912950A GB 673438 A GB673438 A GB 673438A
Authority
GB
United Kingdom
Prior art keywords
carbonate
oxide
metal core
cathode
strontium
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
GB9129/50A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB673438A publication Critical patent/GB673438A/en
Expired legal-status Critical Current

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
    • 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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Solid Thermionic Cathode (AREA)
  • Cosmetics (AREA)
GB9129/50A 1949-05-11 1950-04-13 Oxide cathode and process for the production thereof Expired GB673438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU281264X 1949-05-11

Publications (1)

Publication Number Publication Date
GB673438A true GB673438A (en) 1952-06-04

Family

ID=10978688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9129/50A Expired GB673438A (en) 1949-05-11 1950-04-13 Oxide cathode and process for the production thereof

Country Status (4)

Country Link
CH (2) CH281264A (ko)
FR (2) FR1008217A (ko)
GB (1) GB673438A (ko)
NL (3) NL175814B (ko)

Also Published As

Publication number Publication date
FR63699E (fr) 1955-09-30
CH281264A (de) 1952-02-29
FR1008217A (fr) 1952-05-15
CH314200A (de) 1956-05-31
NL89857C (ko)
NL175814B (nl)
NL95833C (ko)

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