FR1274550A - Cathode thermoélectronique thoriée et son procédé de fabrication - Google Patents

Cathode thermoélectronique thoriée et son procédé de fabrication

Info

Publication number
FR1274550A
FR1274550A FR838319A FR838319A FR1274550A FR 1274550 A FR1274550 A FR 1274550A FR 838319 A FR838319 A FR 838319A FR 838319 A FR838319 A FR 838319A FR 1274550 A FR1274550 A FR 1274550A
Authority
FR
France
Prior art keywords
thoriated
manufacturing process
thermoelectronic cathode
thermoelectronic
cathode
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
FR838319A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR838319A priority Critical patent/FR1274550A/fr
Priority to GB2826661A priority patent/GB950886A/en
Priority to CH1043461A priority patent/CH418470A/fr
Application granted granted Critical
Publication of FR1274550A publication Critical patent/FR1274550A/fr
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
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
FR838319A 1960-09-12 1960-09-12 Cathode thermoélectronique thoriée et son procédé de fabrication Expired FR1274550A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR838319A FR1274550A (fr) 1960-09-12 1960-09-12 Cathode thermoélectronique thoriée et son procédé de fabrication
GB2826661A GB950886A (en) 1960-09-12 1961-08-03 Thoriated thermionic cathode
CH1043461A CH418470A (fr) 1960-09-12 1961-09-08 Procédé de fabrication d'une cathode thermoélectronique thoriée et cathode obtenue par ce procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR838319A FR1274550A (fr) 1960-09-12 1960-09-12 Cathode thermoélectronique thoriée et son procédé de fabrication

Publications (1)

Publication Number Publication Date
FR1274550A true FR1274550A (fr) 1961-10-27

Family

ID=8738832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838319A Expired FR1274550A (fr) 1960-09-12 1960-09-12 Cathode thermoélectronique thoriée et son procédé de fabrication

Country Status (3)

Country Link
CH (1) CH418470A (fr)
FR (1) FR1274550A (fr)
GB (1) GB950886A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454815A (en) * 1965-07-05 1969-07-08 Siemens Ag Indirectly heated dispenser cathode for electrical discharge tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454815A (en) * 1965-07-05 1969-07-08 Siemens Ag Indirectly heated dispenser cathode for electrical discharge tubes

Also Published As

Publication number Publication date
CH418470A (fr) 1966-08-15
GB950886A (en) 1964-02-26

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