DE3461366D1 - Discharge lamp - Google Patents

Discharge lamp

Info

Publication number
DE3461366D1
DE3461366D1 DE8484201046T DE3461366T DE3461366D1 DE 3461366 D1 DE3461366 D1 DE 3461366D1 DE 8484201046 T DE8484201046 T DE 8484201046T DE 3461366 T DE3461366 T DE 3461366T DE 3461366 D1 DE3461366 D1 DE 3461366D1
Authority
DE
Germany
Prior art keywords
discharge lamp
lamp
discharge
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
DE8484201046T
Other languages
English (en)
Inventor
Homme Van Reine Peter Rob Prud
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3461366D1 publication Critical patent/DE3461366D1/de
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
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/115—Translucent or transparent products
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE8484201046T 1983-07-25 1984-07-12 Discharge lamp Expired DE3461366D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8302638 1983-07-25

Publications (1)

Publication Number Publication Date
DE3461366D1 true DE3461366D1 (en) 1987-01-08

Family

ID=19842196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484201046T Expired DE3461366D1 (en) 1983-07-25 1984-07-12 Discharge lamp

Country Status (4)

Country Link
US (1) US4620131A (de)
EP (1) EP0132886B1 (de)
JP (1) JPS6050458U (de)
DE (1) DE3461366D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU193859B (en) * 1985-06-05 1987-12-28 Philips Nv High-pressure sodium discharge lamp
US4736136A (en) * 1986-06-16 1988-04-05 Gte Laboratories Incorporated Discharge lamps with coated ceramic arc tubes and fabrication thereof
US6642656B2 (en) * 2000-03-28 2003-11-04 Ngk Insulators, Ltd. Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1034122A (en) * 1963-03-15 1966-06-29 Gen Electric Co Ltd Improvements in or relating to electrical devices having envelopes formed at least in part of sintered polycrystalline alumina
JPS5255278A (en) * 1975-10-31 1977-05-06 Iwasaki Electric Co Ltd High pressure sodium lamp
GB1597162A (en) * 1977-03-10 1981-09-03 Ngk Insulators Ltd Transparent polycrystalline alumina and high pressure vapour discharge lamp
GB1595518A (en) * 1977-03-11 1981-08-12 Gen Electric Polycrystalline alumina material
JPS5477481A (en) * 1977-12-02 1979-06-20 Ngk Insulators Ltd Polycrystal transparent alumina light emitting tube and high voltage vapor discharge lamp using same
JPS6022670B2 (ja) * 1978-05-12 1985-06-03 日本碍子株式会社 多結晶透明アルミナ及びその製造法ならびに高圧蒸気放射灯用発光管
NL185480C (nl) * 1980-08-21 1991-01-16 Philips Nv Hogedruknatriumdampontladingslamp.

Also Published As

Publication number Publication date
US4620131A (en) 1986-10-28
EP0132886B1 (de) 1986-11-20
JPS6050458U (ja) 1985-04-09
JPH0322848Y2 (de) 1991-05-17
EP0132886A1 (de) 1985-02-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee