DE69939640D1 - Entladungslampe - Google Patents

Entladungslampe

Info

Publication number
DE69939640D1
DE69939640D1 DE69939640T DE69939640T DE69939640D1 DE 69939640 D1 DE69939640 D1 DE 69939640D1 DE 69939640 T DE69939640 T DE 69939640T DE 69939640 T DE69939640 T DE 69939640T DE 69939640 D1 DE69939640 D1 DE 69939640D1
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 - Lifetime
Application number
DE69939640T
Other languages
English (en)
Inventor
Mituru Ikeuchi
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.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
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 Ushio Denki KK filed Critical Ushio Denki KK
Application granted granted Critical
Publication of DE69939640D1 publication Critical patent/DE69939640D1/de
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
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • 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
DE69939640T 1998-03-20 1999-03-16 Entladungslampe Expired - Lifetime DE69939640D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP07260498A JP3463557B2 (ja) 1998-03-20 1998-03-20 放電ランプ
PCT/JP1999/001274 WO1999049497A1 (fr) 1998-03-20 1999-03-16 Lampe a decharge

Publications (1)

Publication Number Publication Date
DE69939640D1 true DE69939640D1 (de) 2008-11-13

Family

ID=13494177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939640T Expired - Lifetime DE69939640D1 (de) 1998-03-20 1999-03-16 Entladungslampe

Country Status (5)

Country Link
US (1) US6593694B1 (de)
EP (1) EP0987735B1 (de)
JP (1) JP3463557B2 (de)
DE (1) DE69939640D1 (de)
WO (1) WO1999049497A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390298A (en) * 1965-03-31 1968-06-25 Gen Electric Electric discharge lamp envelope having molten inner surface at operating temperature
US3531677A (en) * 1966-12-14 1970-09-29 Sylvania Electric Prod Quartz glass envelope with radiation-absorbing glaze
US3851200A (en) * 1972-12-11 1974-11-26 Gen Electric Heat and light reflective coating on quartz lamp
US4225635A (en) * 1979-03-02 1980-09-30 Westinghouse Electric Corp. Method for applying reacted boron oxide layer to vitreous silica substrate
JP2856754B2 (ja) * 1989-02-17 1999-02-10 株式会社東芝 紫外線抑制発光源、紫外線抑制発光源用塗布剤、及び紫外線抑制発光源の製造方法
DE4241152A1 (de) * 1992-12-07 1994-06-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dotiertes Quarzglas und daraus hergestellte Gegenstände
DE4317369A1 (de) * 1993-05-25 1994-12-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe und Herstellungsverfahren für eine Hochdruckentladungslampe
JP3497605B2 (ja) 1994-05-17 2004-02-16 東芝ライテック株式会社 放電灯および放電灯点灯装置ならびに照明装置

Also Published As

Publication number Publication date
EP0987735B1 (de) 2008-10-01
US6593694B1 (en) 2003-07-15
WO1999049497A1 (fr) 1999-09-30
EP0987735A4 (de) 2006-07-12
JPH11273620A (ja) 1999-10-08
JP3463557B2 (ja) 2003-11-05
EP0987735A1 (de) 2000-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition