FR1429899A - Perfectionnements aux tubes électroniques - Google Patents

Perfectionnements aux tubes électroniques

Info

Publication number
FR1429899A
FR1429899A FR12968A FR12968A FR1429899A FR 1429899 A FR1429899 A FR 1429899A FR 12968 A FR12968 A FR 12968A FR 12968 A FR12968 A FR 12968A FR 1429899 A FR1429899 A FR 1429899A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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
FR12968A
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 FR12968A priority Critical patent/FR1429899A/fr
Application granted granted Critical
Publication of FR1429899A publication Critical patent/FR1429899A/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
    • H01J9/047—Cathodes having impregnated bodies
    • 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)
FR12968A 1964-04-16 1965-04-13 Perfectionnements aux tubes électroniques Expired FR1429899A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR12968A FR1429899A (fr) 1964-04-16 1965-04-13 Perfectionnements aux tubes électroniques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36043964A 1964-04-16 1964-04-16
FR12968A FR1429899A (fr) 1964-04-16 1965-04-13 Perfectionnements aux tubes électroniques

Publications (1)

Publication Number Publication Date
FR1429899A true FR1429899A (fr) 1966-02-25

Family

ID=26163088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12968A Expired FR1429899A (fr) 1964-04-16 1965-04-13 Perfectionnements aux tubes électroniques

Country Status (1)

Country Link
FR (1) FR1429899A (fr)

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