FR79195E - Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method - Google Patents

Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method

Info

Publication number
FR79195E
FR79195E FR852031A FR852031A FR79195E FR 79195 E FR79195 E FR 79195E FR 852031 A FR852031 A FR 852031A FR 852031 A FR852031 A FR 852031A FR 79195 E FR79195 E FR 79195E
Authority
FR
France
Prior art keywords
cathodes
indirectly heated
manufactured
electron tubes
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
FR852031A
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR852031A priority Critical patent/FR79195E/en
Application granted granted Critical
Publication of FR79195E publication Critical patent/FR79195E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
FR852031A 1961-02-08 1961-02-08 Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method Expired FR79195E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR852031A FR79195E (en) 1961-02-08 1961-02-08 Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR852031A FR79195E (en) 1961-02-08 1961-02-08 Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method

Publications (1)

Publication Number Publication Date
FR79195E true FR79195E (en) 1962-11-03

Family

ID=8748367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852031A Expired FR79195E (en) 1961-02-08 1961-02-08 Method for manufacturing indirectly heated cathodes for electron tubes and cathodes manufactured using this method

Country Status (1)

Country Link
FR (1) FR79195E (en)

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