GB2069228B - Stabilised high intensity discharge lamp - Google Patents

Stabilised high intensity discharge lamp

Info

Publication number
GB2069228B
GB2069228B GB7940347A GB7940347A GB2069228B GB 2069228 B GB2069228 B GB 2069228B GB 7940347 A GB7940347 A GB 7940347A GB 7940347 A GB7940347 A GB 7940347A GB 2069228 B GB2069228 B GB 2069228B
Authority
GB
United Kingdom
Prior art keywords
discharge lamp
high intensity
intensity discharge
stabilised high
stabilised
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
GB7940347A
Other versions
GB2069228A (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.)
General Electric Co
Original Assignee
General Electric Co
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 filed Critical General Electric Co
Publication of GB2069228A publication Critical patent/GB2069228A/en
Application granted granted Critical
Publication of GB2069228B publication Critical patent/GB2069228B/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
GB7940347A 1979-01-02 1979-11-21 Stabilised high intensity discharge lamp Expired GB2069228B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33679A 1979-01-02 1979-01-02

Publications (2)

Publication Number Publication Date
GB2069228A GB2069228A (en) 1981-08-19
GB2069228B true GB2069228B (en) 1983-02-23

Family

ID=21691057

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7940347A Expired GB2069228B (en) 1979-01-02 1979-11-21 Stabilised high intensity discharge lamp

Country Status (3)

Country Link
JP (1) JPS5593647A (en)
DE (1) DE2952022C2 (en)
GB (1) GB2069228B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6120326A (en) * 1984-07-07 1986-01-29 Ushio Inc Method for exposing material of semiconductor wafer by mercury lamp
EP0220633B1 (en) * 1985-10-25 1991-07-03 General Electric Company Asymmetric arc chamber for a discharge lamp
US4891554A (en) * 1988-10-31 1990-01-02 General Electric Company Arc discharge lamp having improved performance
EP2975143B1 (en) * 2011-03-09 2018-12-19 SAXONIA Technical Materials GmbH Process for the manufacture of amalgamballs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE264553C (en) *
AT131477B (en) * 1929-12-14 1933-01-25 Aeg Discharge device with anodes made of solid material and hot cathode and a body that supplies steam.
DE711871C (en) * 1934-11-06 1941-10-08 Philips Patentverwaltung Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays
US4015162A (en) * 1975-07-07 1977-03-29 Westinghouse Electric Corporation Fluorescent lamp having implanted amalgamative metal for mercury vapor regulation
NL177163C (en) * 1976-03-04 1985-08-01 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
US4035682A (en) * 1976-08-26 1977-07-12 General Electric Company Universal burning alkali metal vapor lamp with amalgam storage in exhaust tubulation
US4145634A (en) * 1978-02-17 1979-03-20 Westinghouse Electric Corp. Fluorescent lamp having integral mercury-vapor pressure control means

Also Published As

Publication number Publication date
DE2952022C2 (en) 1984-05-03
JPS5593647A (en) 1980-07-16
DE2952022A1 (en) 1980-07-03
GB2069228A (en) 1981-08-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee