FR1257297A - Improvements to thermionic cathodes for electron tubes - Google Patents

Improvements to thermionic cathodes for electron tubes

Info

Publication number
FR1257297A
FR1257297A FR825012A FR825012A FR1257297A FR 1257297 A FR1257297 A FR 1257297A FR 825012 A FR825012 A FR 825012A FR 825012 A FR825012 A FR 825012A FR 1257297 A FR1257297 A FR 1257297A
Authority
FR
France
Prior art keywords
electron tubes
thermionic cathodes
thermionic
cathodes
tubes
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
FR825012A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to FR825012A priority Critical patent/FR1257297A/en
Application granted granted Critical
Publication of FR1257297A publication Critical patent/FR1257297A/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR825012A 1960-04-22 1960-04-22 Improvements to thermionic cathodes for electron tubes Expired FR1257297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR825012A FR1257297A (en) 1960-04-22 1960-04-22 Improvements to thermionic cathodes for electron tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR825012A FR1257297A (en) 1960-04-22 1960-04-22 Improvements to thermionic cathodes for electron tubes

Publications (1)

Publication Number Publication Date
FR1257297A true FR1257297A (en) 1961-03-31

Family

ID=8729821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825012A Expired FR1257297A (en) 1960-04-22 1960-04-22 Improvements to thermionic cathodes for electron tubes

Country Status (1)

Country Link
FR (1) FR1257297A (en)

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