IT958718B - ELECTRODE FOR ELECTRIC DISCHARGE LAMPS - Google Patents

ELECTRODE FOR ELECTRIC DISCHARGE LAMPS

Info

Publication number
IT958718B
IT958718B IT6795472A IT6795472A IT958718B IT 958718 B IT958718 B IT 958718B IT 6795472 A IT6795472 A IT 6795472A IT 6795472 A IT6795472 A IT 6795472A IT 958718 B IT958718 B IT 958718B
Authority
IT
Italy
Prior art keywords
electrode
electric discharge
discharge lamps
lamps
electric
Prior art date
Application number
IT6795472A
Other languages
Italian (it)
Original Assignee
Lampes 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 Lampes Sa filed Critical Lampes Sa
Application granted granted Critical
Publication of IT958718B publication Critical patent/IT958718B/en

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
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
IT6795472A 1971-04-07 1972-03-25 ELECTRODE FOR ELECTRIC DISCHARGE LAMPS IT958718B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7112325A FR2133088A6 (en) 1971-04-07 1971-04-07 Thorium emitter electrode - for discharge lamps wherein thorium pellets are heated to 2000 C in mfr

Publications (1)

Publication Number Publication Date
IT958718B true IT958718B (en) 1973-10-30

Family

ID=9074921

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6795472A IT958718B (en) 1971-04-07 1972-03-25 ELECTRODE FOR ELECTRIC DISCHARGE LAMPS

Country Status (5)

Country Link
BE (1) BE781065A (en)
FR (1) FR2133088A6 (en)
IT (1) IT958718B (en)
LU (1) LU65006A1 (en)
NL (1) NL7204462A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530293A1 (en) * 1995-08-17 1997-02-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure discharge lamp

Also Published As

Publication number Publication date
BE781065A (en) 1972-07-17
NL7204462A (en) 1972-10-10
LU65006A1 (en) 1972-07-10
FR2133088A6 (en) 1972-11-24

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