CA1310059C - Addition d'oxyde de scandium pour lampes aux halogenures - Google Patents

Addition d'oxyde de scandium pour lampes aux halogenures

Info

Publication number
CA1310059C
CA1310059C CA000554693A CA554693A CA1310059C CA 1310059 C CA1310059 C CA 1310059C CA 000554693 A CA000554693 A CA 000554693A CA 554693 A CA554693 A CA 554693A CA 1310059 C CA1310059 C CA 1310059C
Authority
CA
Canada
Prior art keywords
lamp
metal halide
lamps
arc tube
scandia
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 - Lifetime
Application number
CA000554693A
Other languages
English (en)
Inventor
William M. Keeffe
George L. Duggan
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.)
Osram Sylvania Inc
Original Assignee
GTE Products Corp
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 GTE Products Corp filed Critical GTE Products Corp
Application granted granted Critical
Publication of CA1310059C publication Critical patent/CA1310059C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps

Landscapes

  • Discharge Lamp (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CA000554693A 1986-12-18 1987-12-17 Addition d'oxyde de scandium pour lampes aux halogenures Expired - Lifetime CA1310059C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94398186A 1986-12-18 1986-12-18
US943,981 1986-12-18

Publications (1)

Publication Number Publication Date
CA1310059C true CA1310059C (fr) 1992-11-10

Family

ID=25480592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000554693A Expired - Lifetime CA1310059C (fr) 1986-12-18 1987-12-17 Addition d'oxyde de scandium pour lampes aux halogenures

Country Status (3)

Country Link
EP (1) EP0272652A3 (fr)
JP (1) JPS63225469A (fr)
CA (1) CA1310059C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2338162A2 (fr) * 2008-10-15 2011-06-29 Koninklijke Philips Electronics N.V. Lampe à décharge comprenant un matériau monoxyde émettant un rayonnement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2102866A5 (fr) * 1970-08-27 1972-04-07 Eclairage Lab
JPS5753064A (en) * 1980-09-16 1982-03-29 Toshiba Corp Metal halide lamp
JPS5790860A (en) * 1980-11-26 1982-06-05 Toshiba Corp Metal halide lamp
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
DE3512757A1 (de) * 1985-04-10 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Metallhalogenid-hochdruckgasentladungslampe

Also Published As

Publication number Publication date
JPS63225469A (ja) 1988-09-20
EP0272652A3 (fr) 1990-05-30
EP0272652A2 (fr) 1988-06-29

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Legal Events

Date Code Title Description
MKLA Lapsed