EP0703600A3 - High pressure discharge lamp - Google Patents

High pressure discharge lamp Download PDF

Info

Publication number
EP0703600A3
EP0703600A3 EP95112861A EP95112861A EP0703600A3 EP 0703600 A3 EP0703600 A3 EP 0703600A3 EP 95112861 A EP95112861 A EP 95112861A EP 95112861 A EP95112861 A EP 95112861A EP 0703600 A3 EP0703600 A3 EP 0703600A3
Authority
EP
European Patent Office
Prior art keywords
high pressure
discharge lamp
pressure discharge
lamp
pressure
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.)
Granted
Application number
EP95112861A
Other languages
German (de)
French (fr)
Other versions
EP0703600A2 (en
EP0703600B1 (en
Inventor
Bernhard Dr. Altmann
Andreas Ponnier
Jürgen Begemann
Ralf Seedorf
Jürgen Dr. Maier
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 GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0703600A2 publication Critical patent/EP0703600A2/en
Publication of EP0703600A3 publication Critical patent/EP0703600A3/en
Application granted granted Critical
Publication of EP0703600B1 publication Critical patent/EP0703600B1/en
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
    • H01J61/025—Associated optical elements
    • 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
    • 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
    • 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
    • H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
    • 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
    • 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
EP95112861A 1994-09-21 1995-08-16 High pressure discharge lamp Expired - Lifetime EP0703600B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9415217U 1994-09-21
DE9415217U DE9415217U1 (en) 1994-09-21 1994-09-21 High pressure discharge lamp

Publications (3)

Publication Number Publication Date
EP0703600A2 EP0703600A2 (en) 1996-03-27
EP0703600A3 true EP0703600A3 (en) 1998-05-06
EP0703600B1 EP0703600B1 (en) 2000-01-26

Family

ID=6913903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112861A Expired - Lifetime EP0703600B1 (en) 1994-09-21 1995-08-16 High pressure discharge lamp

Country Status (4)

Country Link
US (1) US5629585A (en)
EP (1) EP0703600B1 (en)
JP (1) JP3022910U (en)
DE (2) DE9415217U1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215247B1 (en) * 1997-10-03 2001-04-10 Orc Manufacturing Co., Ltd. Construction of electrode for high pressure discharge lamp and process for producing the same
AU2956899A (en) 1998-03-20 1999-10-18 Hamamatsu Photonics K.K. Discharge tube for light source
US6492772B1 (en) * 1999-02-10 2002-12-10 Matsushita Electric Industrial Co., Ltd. High pressure discharge lamp, high pressure discharge lamp electrode, method of producing the high pressure discharge lamp electrode, and illumination device and image display apparatus respectively using the high pressure discharge lamps
JP2000306546A (en) * 1999-04-21 2000-11-02 Ushio Inc Short arc discharge lamp
JP3596453B2 (en) * 2000-09-28 2004-12-02 ウシオ電機株式会社 Short arc discharge lamp
JP3759498B2 (en) * 2001-03-30 2006-03-22 松下電器産業株式会社 Metal halide lamp for automotive headlamp
DE10137794B4 (en) * 2001-08-07 2008-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode for high pressure discharge lamps and high pressure discharge lamp
DE102005013760A1 (en) * 2005-03-22 2006-09-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Method for producing an electrode and discharge lamp with such an electrode
SE529053C2 (en) * 2005-07-08 2007-04-17 Plasma Surgical Invest Ltd Plasma generating device, plasma surgical device and use of a plasma surgical device
SE529056C2 (en) * 2005-07-08 2007-04-17 Plasma Surgical Invest Ltd Plasma generating device, plasma surgical device and use of a plasma surgical device
SE529058C2 (en) 2005-07-08 2007-04-17 Plasma Surgical Invest Ltd Plasma generating device, plasma surgical device, use of a plasma surgical device and method for forming a plasma
WO2007076141A2 (en) * 2005-12-27 2007-07-05 Advanced Lighting Technologies, Inc. Projection light source and methods of manufacture
US7928338B2 (en) * 2007-02-02 2011-04-19 Plasma Surgical Investments Ltd. Plasma spraying device and method
DE102007013990A1 (en) * 2007-03-23 2008-09-25 Osram Gesellschaft mit beschränkter Haftung Material for electrodes or filament and electrode or filament
US8735766B2 (en) * 2007-08-06 2014-05-27 Plasma Surgical Investments Limited Cathode assembly and method for pulsed plasma generation
US7589473B2 (en) * 2007-08-06 2009-09-15 Plasma Surgical Investments, Ltd. Pulsed plasma device and method for generating pulsed plasma
DE102008014096A1 (en) * 2008-03-05 2009-09-10 Osram Gesellschaft mit beschränkter Haftung Tungsten electrode for high-pressure discharge lamps and high-pressure discharge lamp with a tungsten electrode
WO2009146751A1 (en) * 2008-06-06 2009-12-10 Osram Gesellschaft mit beschränkter Haftung Cable bushing with a bent foil profile
JP5115396B2 (en) * 2008-08-20 2013-01-09 ウシオ電機株式会社 Cathode and discharge lamp for discharge lamp
JP5299132B2 (en) * 2009-07-07 2013-09-25 ウシオ電機株式会社 Xenon short arc lamp for digital projector
US8613742B2 (en) * 2010-01-29 2013-12-24 Plasma Surgical Investments Limited Methods of sealing vessels using plasma
US9089319B2 (en) 2010-07-22 2015-07-28 Plasma Surgical Investments Limited Volumetrically oscillating plasma flows
AT15459U1 (en) * 2016-04-11 2017-09-15 Plansee Se anode
CN111105985B (en) * 2019-11-28 2022-04-08 清远市欧瑞凯科技有限公司 Tungsten electrode, method for manufacturing the same, and high-pressure discharge lamp using the same
CA3191050A1 (en) 2020-08-28 2022-03-03 Nikolay Suslov Systems, methods, and devices for generating predominantly radially expanded plasma flow

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054014A (en) * 1959-07-08 1962-09-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode for high-pressure electric discharge lamps
US4002940A (en) * 1974-06-12 1977-01-11 U.S. Philips Corporation Electrode for a discharge lamp
EP0299230A1 (en) * 1987-07-14 1989-01-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Cathode for a high-pressure discharge lamp
JPH02256150A (en) * 1989-03-29 1990-10-16 Ushio Inc Short arc mercury lamp for exposing semi-conductor wafer
JPH02304857A (en) * 1989-05-19 1990-12-18 Ushio Inc Short arc type high pressure mercury vapor lamp
US5158709A (en) * 1990-02-01 1992-10-27 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh Electric lamp containing molybdenum material doped wtih aluminum and potassium, molybdenum material for such a lamp, and method of its manufacture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706000A (en) * 1970-05-11 1972-12-12 Westinghouse Electric Corp Current-rated short-arc lamp for light projection apparatus
US4724352A (en) * 1985-12-16 1988-02-09 Ilc Technology, Inc. Short-arc lamp with alternating current drive
US4988918A (en) * 1988-06-23 1991-01-29 Toshiba Lighting And Technology Corporation Short arc discharge lamp
DE4002974A1 (en) 1990-02-01 1991-08-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Doped molybdenum material esp. for lamp mfr. - with controlled aluminium content for high quality and low reject rate
US5284614A (en) * 1992-06-01 1994-02-08 General Electric Company Method of forming fine dispersion of ceria in tungsten
DE4229317A1 (en) * 1992-09-02 1994-03-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure discharge lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054014A (en) * 1959-07-08 1962-09-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode for high-pressure electric discharge lamps
US4002940A (en) * 1974-06-12 1977-01-11 U.S. Philips Corporation Electrode for a discharge lamp
EP0299230A1 (en) * 1987-07-14 1989-01-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Cathode for a high-pressure discharge lamp
JPH02256150A (en) * 1989-03-29 1990-10-16 Ushio Inc Short arc mercury lamp for exposing semi-conductor wafer
JPH02304857A (en) * 1989-05-19 1990-12-18 Ushio Inc Short arc type high pressure mercury vapor lamp
US5158709A (en) * 1990-02-01 1992-10-27 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh Electric lamp containing molybdenum material doped wtih aluminum and potassium, molybdenum material for such a lamp, and method of its manufacture

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 584 (E - 1018) 27 December 1990 (1990-12-27) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 090 (E - 1040) 5 March 1991 (1991-03-05) *

Also Published As

Publication number Publication date
US5629585A (en) 1997-05-13
EP0703600A2 (en) 1996-03-27
DE59507686D1 (en) 2000-03-02
DE9415217U1 (en) 1996-01-25
JP3022910U (en) 1996-04-02
EP0703600B1 (en) 2000-01-26

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