EP0917179A3 - Electrode component for discharge lamps - Google Patents

Electrode component for discharge lamps Download PDF

Info

Publication number
EP0917179A3
EP0917179A3 EP98117203A EP98117203A EP0917179A3 EP 0917179 A3 EP0917179 A3 EP 0917179A3 EP 98117203 A EP98117203 A EP 98117203A EP 98117203 A EP98117203 A EP 98117203A EP 0917179 A3 EP0917179 A3 EP 0917179A3
Authority
EP
European Patent Office
Prior art keywords
electrode component
discharge lamps
electrode
realized
produced
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.)
Withdrawn
Application number
EP98117203A
Other languages
German (de)
French (fr)
Other versions
EP0917179A2 (en
Inventor
Bernhard Dr. Altmann
Alfred-Georg Dr. Gahn
Dietmar Illig
Peter Dr. Schade
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 EP0917179A2 publication Critical patent/EP0917179A2/en
Publication of EP0917179A3 publication Critical patent/EP0917179A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • 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

Abstract

Das erfindungsgemäße Elekrodenbauteil ist mittels Metallpulverspritzgußverfahren hergestellt. Dadurch können komplexe Formen für die Elektrode realisiert werden.

Figure 00000001
The electrode component according to the invention is produced by means of metal powder injection molding. This enables complex shapes to be realized for the electrode.
Figure 00000001
EP98117203A 1997-11-11 1998-09-09 Electrode component for discharge lamps Withdrawn EP0917179A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19749908 1997-11-11
DE19749908A DE19749908A1 (en) 1997-11-11 1997-11-11 Electrode component for discharge lamps

Publications (2)

Publication Number Publication Date
EP0917179A2 EP0917179A2 (en) 1999-05-19
EP0917179A3 true EP0917179A3 (en) 1999-05-26

Family

ID=7848357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117203A Withdrawn EP0917179A3 (en) 1997-11-11 1998-09-09 Electrode component for discharge lamps

Country Status (6)

Country Link
US (1) US6211615B1 (en)
EP (1) EP0917179A3 (en)
JP (1) JPH11219683A (en)
CA (1) CA2247221A1 (en)
DE (1) DE19749908A1 (en)
HU (1) HUP9802612A3 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000306546A (en) * 1999-04-21 2000-11-02 Ushio Inc Short arc discharge lamp
JP2005108435A (en) * 1999-06-30 2005-04-21 Hamamatsu Photonics Kk Flash lamp
DE20005764U1 (en) 2000-03-30 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Short arc lamp
JP4512968B2 (en) 2000-08-03 2010-07-28 ウシオ電機株式会社 Short arc type high pressure discharge lamp
DE10048187A1 (en) * 2000-09-28 2002-04-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp for dielectrically impeded discharges with base plate and top plate for light outlet also discharge chamber between plates and electrode set and dielectric layer
JP2004521474A (en) * 2001-06-25 2004-07-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ High pressure gas discharge lamp and method of manufacturing high pressure gas discharge lamp
DE10204925A1 (en) * 2002-02-07 2003-08-21 Philips Intellectual Property Mercury-free high pressure gas discharge lamp
JP2007515750A (en) * 2003-05-26 2007-06-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Thorium-free electrode for improved color stability
JP4259282B2 (en) * 2003-11-07 2009-04-30 ウシオ電機株式会社 High pressure discharge lamp
DE10360545A1 (en) * 2003-12-22 2005-07-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electrode for a high pressure discharge lamp
JP4714418B2 (en) * 2004-03-02 2011-06-29 ウシオ電機株式会社 Discharge lamp
JP2005285676A (en) * 2004-03-30 2005-10-13 Nippon Tungsten Co Ltd Electrode for discharge lamp
US20080093970A1 (en) * 2004-07-09 2008-04-24 Koninklijke Philips Electronics, N.V. Electrode for a high-intensity discharge lamp
US20060049762A1 (en) * 2004-09-03 2006-03-09 Koch Mark E Night-vision illumination lamp
US7176632B2 (en) * 2005-03-15 2007-02-13 Osram Sylvania Inc. Slotted electrode for high intensity discharge lamp
DE102005013759A1 (en) * 2005-03-22 2006-09-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lamp with power supply and electrode
DE102005035190A1 (en) * 2005-07-27 2007-02-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH retaining bar
JP2007095665A (en) * 2005-09-02 2007-04-12 Sony Corp Short-arc type high-pressure discharge electrode, short-arc type high-pressure discharge tube, short-arc type high-pressure discharge light source device and their manufacturing methods
US7652415B2 (en) * 2005-10-20 2010-01-26 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
US7633226B2 (en) * 2005-11-30 2009-12-15 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
DE202006002833U1 (en) 2006-02-22 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High pressure discharge lamp with ceramic discharge vessel
JP4830638B2 (en) * 2006-05-29 2011-12-07 ウシオ電機株式会社 High pressure discharge lamp
US20080075619A1 (en) * 2006-09-27 2008-03-27 Laxmappa Hosamani Method for making molybdenum parts using metal injection molding
KR100847483B1 (en) 2006-12-19 2008-07-22 엘지전자 주식회사 Discharge lamp
JP4993478B2 (en) * 2007-03-23 2012-08-08 株式会社オーク製作所 Discharge lamp and method of manufacturing electrode thereof
JP2009187693A (en) * 2008-02-04 2009-08-20 Ushio Inc Short arc high-pressure discharge lamp
DE102008062677A1 (en) * 2008-12-17 2010-06-24 Osram Gesellschaft mit beschränkter Haftung discharge lamp
JP4706779B2 (en) * 2008-12-19 2011-06-22 ウシオ電機株式会社 Super high pressure mercury lamp
TWI412057B (en) * 2009-07-14 2013-10-11 Ushio Electric Inc Short arc discharge lamp
JP4974064B2 (en) * 2009-07-14 2012-07-11 ウシオ電機株式会社 Short arc type discharge lamp
JP5278420B2 (en) * 2010-12-20 2013-09-04 ウシオ電機株式会社 Short arc type discharge lamp
CN102832100A (en) * 2011-06-16 2012-12-19 卢志宇 High intensity discharge lamp structure
WO2013113049A1 (en) * 2012-01-31 2013-08-08 Plansee Se Tungsten composite electrode
US9030100B2 (en) * 2012-02-15 2015-05-12 Kabushiki Kaisha Toshiba Cathode component for discharge lamp
JP5939429B2 (en) * 2012-03-29 2016-06-22 岩崎電気株式会社 Short arc type mercury lamp
CN106881463B (en) * 2015-12-21 2019-06-28 成都虹波实业股份有限公司 A kind of manufacturing method of tubular or cup-shaped tungsten product
AT15459U1 (en) * 2016-04-11 2017-09-15 Plansee Se anode
AT17391U1 (en) * 2020-07-31 2022-03-15 Plansee Se high temperature component

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248586A (en) * 1961-11-27 1966-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp electrode
US3248591A (en) * 1961-11-10 1966-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp electrode with integral cooling means
US3303377A (en) * 1962-08-17 1967-02-07 Philips Corp High pressure electric discharge tube
US3621322A (en) * 1968-09-12 1971-11-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High-pressure compact arc lamp with electrodes containing tantalum carbide
US3911309A (en) * 1972-09-18 1975-10-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode comprising a porous sintered body
GB2034106A (en) * 1978-09-07 1980-05-29 Tokyo Shibaura Electric Co Sintered electrode for discharge lamps
JPH01161653A (en) * 1987-12-18 1989-06-26 Toshiba Corp Short arc discharge lamp
US5210463A (en) * 1990-03-15 1993-05-11 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Metal halide low-power high-pressure discharge lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113480A (en) 1976-12-09 1978-09-12 Cabot Corporation Method of injection molding powder metal parts
US4479074A (en) * 1982-09-02 1984-10-23 North American Philips Lighting Corp. High intensity vapor discharge lamp with sintering aids for electrode emission materials
US4765950A (en) 1987-10-07 1988-08-23 Risi Industries, Inc. Process for fabricating parts from particulate material
DE4031117A1 (en) 1990-10-02 1992-04-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure discharge lamp and method for producing the lamp
US5033939A (en) 1990-10-29 1991-07-23 Megamet Industries Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry
DE4442161C1 (en) * 1994-11-27 1996-03-07 Bayerische Metallwerke Gmbh Method for producing a shaped component for e.g. welding electrodes
DE19527348A1 (en) * 1995-07-26 1997-01-30 Wolfram Ind Mbh Ges Electrode with heat sink
DE19626624C2 (en) 1996-07-02 2003-04-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method for producing a high-pressure discharge lamp and high-pressure discharge lamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248591A (en) * 1961-11-10 1966-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp electrode with integral cooling means
US3248586A (en) * 1961-11-27 1966-04-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Discharge lamp electrode
US3303377A (en) * 1962-08-17 1967-02-07 Philips Corp High pressure electric discharge tube
US3621322A (en) * 1968-09-12 1971-11-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High-pressure compact arc lamp with electrodes containing tantalum carbide
US3911309A (en) * 1972-09-18 1975-10-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode comprising a porous sintered body
GB2034106A (en) * 1978-09-07 1980-05-29 Tokyo Shibaura Electric Co Sintered electrode for discharge lamps
JPH01161653A (en) * 1987-12-18 1989-06-26 Toshiba Corp Short arc discharge lamp
US5210463A (en) * 1990-03-15 1993-05-11 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Metal halide low-power high-pressure discharge lamp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
H. EIFELT AND G. VELTL: "Metallspritzguß - wirtschaftlich für komplizierte Bauteile", METALLHANDWERK & TECHNIK, vol. 94, no. 9, September 1994 (1994-09-01), pages 118 - 120, XP002098204 *
PATENT ABSTRACTS OF JAPAN vol. 013, no. 433 (E - 824) 27 September 1989 (1989-09-27) *
VERVOORT P J ET AL: "OVERVIEW OF POWDER INJECTION MOLDING", April 1996, ADVANCED PERFORMANCE MATERIALS, VOL. 3, PAGE(S) 121 - 151, XP002062074 *

Also Published As

Publication number Publication date
HU9802612D0 (en) 1998-12-28
EP0917179A2 (en) 1999-05-19
US6211615B1 (en) 2001-04-03
JPH11219683A (en) 1999-08-10
DE19749908A1 (en) 1999-05-12
HUP9802612A2 (en) 1999-07-28
CA2247221A1 (en) 1999-05-11
HUP9802612A3 (en) 2001-03-28

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