FR1236821A - Cathode thermo-ionique - Google Patents

Cathode thermo-ionique

Info

Publication number
FR1236821A
FR1236821A FR806227A FR806227A FR1236821A FR 1236821 A FR1236821 A FR 1236821A FR 806227 A FR806227 A FR 806227A FR 806227 A FR806227 A FR 806227A FR 1236821 A FR1236821 A FR 1236821A
Authority
FR
France
Prior art keywords
thermionic cathode
thermionic
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
FR806227A
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co 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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Application granted granted Critical
Publication of FR1236821A publication Critical patent/FR1236821A/fr
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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR806227A 1958-09-29 1959-09-28 Cathode thermo-ionique Expired FR1236821A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1236821X 1958-09-29

Publications (1)

Publication Number Publication Date
FR1236821A true FR1236821A (fr) 1960-07-22

Family

ID=10884909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806227A Expired FR1236821A (fr) 1958-09-29 1959-09-28 Cathode thermo-ionique

Country Status (1)

Country Link
FR (1) FR1236821A (fr)

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