NL6405662A - - Google Patents

Info

Publication number
NL6405662A
NL6405662A NL6405662A NL6405662A NL6405662A NL 6405662 A NL6405662 A NL 6405662A NL 6405662 A NL6405662 A NL 6405662A NL 6405662 A NL6405662 A NL 6405662A NL 6405662 A NL6405662 A NL 6405662A
Authority
NL
Netherlands
Application number
NL6405662A
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
Priority to DEE26998A priority Critical patent/DE1229194B/en
Application filed filed Critical
Priority to NL6405662A priority patent/NL6405662A/xx
Priority to FR975778A priority patent/FR1405304A/en
Priority to CH714264A priority patent/CH447397A/en
Priority to GB23740/64A priority patent/GB1073341A/en
Publication of NL6405662A publication Critical patent/NL6405662A/xx
Priority to US727136A priority patent/US3600334A/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)
NL6405662A 1964-05-08 1964-05-21 NL6405662A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DEE26998A DE1229194B (en) 1964-05-08 1964-05-08 Process for the production of thoriated, highly emissive cathodes for electrical discharge vessels
NL6405662A NL6405662A (en) 1964-05-21 1964-05-21
FR975778A FR1405304A (en) 1964-05-21 1964-05-25 Process for the production of thoriated cathodes with high emission power for electric discharge tubes
CH714264A CH447397A (en) 1964-05-21 1964-06-01 Thorium-containing, highly emitting hot cathode for electrical discharge vessels and process for their production
GB23740/64A GB1073341A (en) 1964-05-21 1964-06-09 Process for the production of thoriated highly emitting cathodes
US727136A US3600334A (en) 1964-05-21 1968-04-23 Thoriated cathodes and method for making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6405662A NL6405662A (en) 1964-05-21 1964-05-21

Publications (1)

Publication Number Publication Date
NL6405662A true NL6405662A (en) 1965-11-22

Family

ID=19790125

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6405662A NL6405662A (en) 1964-05-08 1964-05-21

Country Status (2)

Country Link
CH (1) CH447397A (en)
NL (1) NL6405662A (en)

Also Published As

Publication number Publication date
CH447397A (en) 1967-11-30

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