GB341826A - Process for the manufacture of oxide cathodes for electric discharge tubes - Google Patents

Process for the manufacture of oxide cathodes for electric discharge tubes

Info

Publication number
GB341826A
GB341826A GB15108/30A GB1510830A GB341826A GB 341826 A GB341826 A GB 341826A GB 15108/30 A GB15108/30 A GB 15108/30A GB 1510830 A GB1510830 A GB 1510830A GB 341826 A GB341826 A GB 341826A
Authority
GB
United Kingdom
Prior art keywords
molybdenum
tungsten
electric discharge
core
oxides
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
GB15108/30A
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 GB341826A publication Critical patent/GB341826A/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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Solid Thermionic Cathode (AREA)
GB15108/30A 1929-12-23 1930-05-16 Process for the manufacture of oxide cathodes for electric discharge tubes Expired GB341826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU341826X 1929-12-23

Publications (1)

Publication Number Publication Date
GB341826A true GB341826A (en) 1931-01-22

Family

ID=10978844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15108/30A Expired GB341826A (en) 1929-12-23 1930-05-16 Process for the manufacture of oxide cathodes for electric discharge tubes

Country Status (5)

Country Link
BE (1) BE370532A (xx)
DE (1) DE539890C (xx)
FR (1) FR696589A (xx)
GB (1) GB341826A (xx)
NL (1) NL28979C (xx)

Also Published As

Publication number Publication date
NL28979C (xx)
DE539890C (de) 1931-12-03
BE370532A (xx)
FR696589A (fr) 1931-01-05

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