GB1051170A - - Google Patents

Info

Publication number
GB1051170A
GB1051170A GB1051170DA GB1051170A GB 1051170 A GB1051170 A GB 1051170A GB 1051170D A GB1051170D A GB 1051170DA GB 1051170 A GB1051170 A GB 1051170A
Authority
GB
United Kingdom
Prior art keywords
tube
arc
thorium
gas
electrodes
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1051170A publication Critical patent/GB1051170A/en
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels
    • 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
GB1051170D 1963-05-02 Active GB1051170A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US277634A US3313974A (en) 1963-05-02 1963-05-02 High pressure electric discharge device having electrodes with thorium on the exposed surface thereof

Publications (1)

Publication Number Publication Date
GB1051170A true GB1051170A (fr)

Family

ID=23061731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051170D Active GB1051170A (fr) 1963-05-02

Country Status (2)

Country Link
US (1) US3313974A (fr)
GB (1) GB1051170A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364375A (en) * 1963-10-25 1968-01-16 Gen Electric Metal vapor lamp thorium coated electrode
US3937996A (en) * 1974-10-07 1976-02-10 General Electric Company Metal halide lamp using loop electrodes
US4105908A (en) * 1976-04-30 1978-08-08 General Electric Company Metal halide lamp having open tungsten coil electrodes
US4360756A (en) * 1979-11-13 1982-11-23 General Electric Company Metal halide lamp containing ThI4 with added elemental cadmium or zinc
US5357167A (en) * 1992-07-08 1994-10-18 General Electric Company High pressure discharge lamp with a thermally improved anode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740186A (en) * 1951-07-17 1956-04-03 Sylvania Electric Prod Gas tube assembling method
US2691853A (en) * 1951-09-29 1954-10-19 Gen Electric Tubular lamp manufacture
US2916653A (en) * 1957-04-01 1959-12-08 Duro Test Corp Electron emissive electrode
US3234421A (en) * 1961-01-23 1966-02-08 Gen Electric Metallic halide electric discharge lamps
DE1153453B (de) * 1961-06-02 1963-08-29 Patra Patent Treuhand Hochdruckentladungslampe mit Metallhalogeniddampf und hoher Lichtausbeute
US3170081A (en) * 1962-06-05 1965-02-16 Westinghouse Electric Corp Discharge lamp electrode

Also Published As

Publication number Publication date
US3313974A (en) 1967-04-11

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