FR86783E - Improvements to reserve cathodes and their manufacturing processes - Google Patents

Improvements to reserve cathodes and their manufacturing processes

Info

Publication number
FR86783E
FR86783E FR993290A FR993290A FR86783E FR 86783 E FR86783 E FR 86783E FR 993290 A FR993290 A FR 993290A FR 993290 A FR993290 A FR 993290A FR 86783 E FR86783 E FR 86783E
Authority
FR
France
Prior art keywords
cathodes
reserve
manufacturing processes
processes
manufacturing
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
FR993290A
Other languages
French (fr)
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
Priority claimed from US320724A external-priority patent/US3269804A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR993290A priority Critical patent/FR86783E/en
Application granted granted Critical
Publication of FR86783E publication Critical patent/FR86783E/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
    • H01J9/047—Cathodes having impregnated bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
FR993290A 1963-11-01 1964-10-30 Improvements to reserve cathodes and their manufacturing processes Expired FR86783E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR993290A FR86783E (en) 1963-11-01 1964-10-30 Improvements to reserve cathodes and their manufacturing processes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US320724A US3269804A (en) 1963-11-01 1963-11-01 Dispenser cathode and method for the production thereof
FR993290A FR86783E (en) 1963-11-01 1964-10-30 Improvements to reserve cathodes and their manufacturing processes

Publications (1)

Publication Number Publication Date
FR86783E true FR86783E (en) 1966-04-08

Family

ID=26210881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993290A Expired FR86783E (en) 1963-11-01 1964-10-30 Improvements to reserve cathodes and their manufacturing processes

Country Status (1)

Country Link
FR (1) FR86783E (en)

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