FR1060976A - Thermionic cathode - Google Patents

Thermionic cathode

Info

Publication number
FR1060976A
FR1060976A FR1060976DA FR1060976A FR 1060976 A FR1060976 A FR 1060976A FR 1060976D A FR1060976D A FR 1060976DA FR 1060976 A FR1060976 A FR 1060976A
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
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1060976A publication Critical patent/FR1060976A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • 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
FR1060976D 1951-07-16 1952-07-16 Thermionic cathode Expired FR1060976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1684051A GB714429A (en) 1951-07-16 1951-07-16 Improvements in or relating to thermionic cathodes

Publications (1)

Publication Number Publication Date
FR1060976A true FR1060976A (en) 1954-04-07

Family

ID=10084624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1060976D Expired FR1060976A (en) 1951-07-16 1952-07-16 Thermionic cathode

Country Status (2)

Country Link
FR (1) FR1060976A (en)
GB (1) GB714429A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438338A1 (en) * 1978-10-06 1980-04-30 Philips Nv HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057231B (en) * 1956-03-03 1959-05-14 Patra Patent Treuhand Activated glow electrode for electric discharge lamps
NL134601C (en) * 1961-01-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438338A1 (en) * 1978-10-06 1980-04-30 Philips Nv HIGH PRESSURE SODIUM STEAM DISCHARGE LAMP

Also Published As

Publication number Publication date
GB714429A (en) 1954-08-25

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