EP0901150A3 - Eleltrode und Verfarhen sowie Vorrichtung zur Herstellung derselben - Google Patents

Eleltrode und Verfarhen sowie Vorrichtung zur Herstellung derselben Download PDF

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Publication number
EP0901150A3
EP0901150A3 EP98113037A EP98113037A EP0901150A3 EP 0901150 A3 EP0901150 A3 EP 0901150A3 EP 98113037 A EP98113037 A EP 98113037A EP 98113037 A EP98113037 A EP 98113037A EP 0901150 A3 EP0901150 A3 EP 0901150A3
Authority
EP
European Patent Office
Prior art keywords
electrode
procedure
manufacture
radial
tip
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
EP98113037A
Other languages
English (en)
French (fr)
Other versions
EP0901150A2 (de
EP0901150B1 (de
Inventor
Bernhard Dr. Altmann
Rudolf Richter
Klaus Stedele
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 EP0901150A2 publication Critical patent/EP0901150A2/de
Publication of EP0901150A3 publication Critical patent/EP0901150A3/de
Application granted granted Critical
Publication of EP0901150B1 publication Critical patent/EP0901150B1/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
    • H01J61/04—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Secondary Cells (AREA)
  • Powder Metallurgy (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Eine Elektrode (4) aus Wolframmaterial für eine Hochdruckentladungslampe besitzt einen zylindrischen Schaft (5) und eine konisch zulaufende Spitze (9). Die Spitze ist im wesentlichen durch radiales Umformen (radiales Hämmern oder Querwalzen) hergestellt.
EP98113037A 1997-09-04 1998-07-14 Elektrode und Verfahren sowie Vorrichtung zur Herstellung derselben Expired - Lifetime EP0901150B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19738574A DE19738574A1 (de) 1997-09-04 1997-09-04 Elektrode und Verfahren sowie Vorrichtung zur Herstellung derselben
DE19738574 1997-09-04

Publications (3)

Publication Number Publication Date
EP0901150A2 EP0901150A2 (de) 1999-03-10
EP0901150A3 true EP0901150A3 (de) 1999-04-21
EP0901150B1 EP0901150B1 (de) 2004-09-22

Family

ID=7841107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113037A Expired - Lifetime EP0901150B1 (de) 1997-09-04 1998-07-14 Elektrode und Verfahren sowie Vorrichtung zur Herstellung derselben

Country Status (7)

Country Link
US (1) US6109995A (de)
EP (1) EP0901150B1 (de)
JP (1) JPH11135011A (de)
CN (1) CN1151537C (de)
AT (1) ATE277423T1 (de)
DE (2) DE19738574A1 (de)
HU (1) HU221580B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001319617A (ja) * 2000-05-08 2001-11-16 Ushio Inc 超高圧水銀ランプ
JP4436547B2 (ja) * 2000-07-31 2010-03-24 株式会社ユメックス 放電ランプ用の陰極、その陰極を備える放電ランプ、及びその陰極の製造方法
JP4475774B2 (ja) * 2000-08-22 2010-06-09 株式会社ユメックス 放電ランプ用の陰極の製造方法
JP2002352772A (ja) * 2001-05-24 2002-12-06 Phoenix Denki Kk 超高圧放電灯
DE10137794B4 (de) * 2001-08-07 2008-06-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrode für Hochdruckentladungslampen und Hochdruckentladungslampe
US6578970B2 (en) 2001-09-19 2003-06-17 Advanced Radiation Corporation Point-like lamp with anode chimney
JP3899898B2 (ja) * 2001-10-30 2007-03-28 ウシオ電機株式会社 ショートアーク型水銀ランプ
EP1741119B1 (de) * 2004-04-21 2019-04-03 Lumileds Holding B.V. Verfahren zur thermischen behandlung von thoriumoxidfreien wolframelektroden für hochdruck-entladungslampen
DE102004043247B4 (de) * 2004-09-07 2010-04-15 Osram Gesellschaft mit beschränkter Haftung Elektrode für Hochdruckentladungslampen sowie Hochdruckentladungslampe mit derartigen Elektroden
AT9340U1 (de) * 2005-12-23 2007-08-15 Plansee Metall Gmbh Verfahren zur herstellung eines hochdichten halbzeugs oder bauteils
CN100433238C (zh) * 2006-03-13 2008-11-12 成都三普电光源实业有限公司 用于超高压汞灯的高亮度电极
DE102006061375B4 (de) 2006-12-22 2019-01-03 Osram Gmbh Quecksilber-Hochdruckentladungslampe mit einer Wolfram und Kalium enthaltenden Anode, die eine Kornzahl größer 200 Körner pro mm2 und eine Dichte größer 19,05g/cm3 aufweist
JP5024466B1 (ja) * 2011-03-10 2012-09-12 ウシオ電機株式会社 ショートアーク型放電ランプ
JP5823770B2 (ja) * 2011-08-09 2015-11-25 プランゼー エスエー ショートアーク高圧放電ランプ
AT15459U1 (de) * 2016-04-11 2017-09-15 Plansee Se Anode
JP6826310B2 (ja) * 2016-11-07 2021-02-03 ウシオ電機株式会社 放電ランプ用電極およびその製造方法
JP7313791B2 (ja) * 2018-08-23 2023-07-25 株式会社オーク製作所 放電ランプ及び放電ランプの電極の製造方法
CN112262454B (zh) * 2019-02-18 2024-04-09 株式会社东芝 放电灯用阴极部件、放电灯及放电灯用阴极部件的制造方法
US11043352B1 (en) 2019-12-20 2021-06-22 Varex Imaging Corporation Aligned grain structure targets, systems, and methods of forming

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE325464C (de) * 1911-10-03 1920-09-10 Heinrich Leiser Dr Verfahren zur Herstellung von mechanisch widerstandsfaehigen gepressten Formkoerpern
FR2271663A1 (de) * 1974-05-13 1975-12-12 Philips Nv
DE3701212A1 (de) * 1986-03-24 1987-10-15 Toho Kinzoku Kk Wolfram-elektrodenwerkstoff
EP0262005A1 (de) * 1986-09-08 1988-03-30 EYQUEM, Société dite: Herstellungsverfahren für eine bimetallische Mittelelektrode mit einem Platinstift für Zündkerze und Elektrode, hergestellt nach diesem Verfahren
EP0299230A1 (de) * 1987-07-14 1989-01-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Kathode für eine Hochdruckentladungslampe
WO1991002393A1 (en) * 1989-08-11 1991-02-21 Ford Motor Company Limited Forming an erosion resistant tip on an electrode
JPH0378929A (ja) * 1989-08-22 1991-04-04 Yokogawa Electric Corp 微細電極の製造方法
DE4229317A1 (de) * 1992-09-02 1994-03-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
DE4442161C1 (de) * 1994-11-27 1996-03-07 Bayerische Metallwerke Gmbh Verfahren zur Herstellung eines Formteils

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678575A (en) * 1970-03-10 1972-07-25 Hitachi Ltd Manufacturing method of a magnetron anode
US4859239A (en) * 1988-12-20 1989-08-22 Gte Products Corporation Tungsten electrode and method of producing same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE325464C (de) * 1911-10-03 1920-09-10 Heinrich Leiser Dr Verfahren zur Herstellung von mechanisch widerstandsfaehigen gepressten Formkoerpern
FR2271663A1 (de) * 1974-05-13 1975-12-12 Philips Nv
DE3701212A1 (de) * 1986-03-24 1987-10-15 Toho Kinzoku Kk Wolfram-elektrodenwerkstoff
EP0262005A1 (de) * 1986-09-08 1988-03-30 EYQUEM, Société dite: Herstellungsverfahren für eine bimetallische Mittelelektrode mit einem Platinstift für Zündkerze und Elektrode, hergestellt nach diesem Verfahren
EP0299230A1 (de) * 1987-07-14 1989-01-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Kathode für eine Hochdruckentladungslampe
WO1991002393A1 (en) * 1989-08-11 1991-02-21 Ford Motor Company Limited Forming an erosion resistant tip on an electrode
JPH0378929A (ja) * 1989-08-22 1991-04-04 Yokogawa Electric Corp 微細電極の製造方法
DE4229317A1 (de) * 1992-09-02 1994-03-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
DE4442161C1 (de) * 1994-11-27 1996-03-07 Bayerische Metallwerke Gmbh Verfahren zur Herstellung eines Formteils

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 250 (E - 1082) 26 June 1991 (1991-06-26) *

Also Published As

Publication number Publication date
JPH11135011A (ja) 1999-05-21
HU9802006D0 (en) 1998-10-28
DE19738574A1 (de) 1999-03-11
ATE277423T1 (de) 2004-10-15
DE59811983D1 (de) 2004-10-28
HUP9802006A2 (hu) 1999-06-28
CN1210360A (zh) 1999-03-10
HUP9802006A3 (en) 2001-03-28
HU221580B (hu) 2002-11-28
EP0901150A2 (de) 1999-03-10
US6109995A (en) 2000-08-29
CN1151537C (zh) 2004-05-26
EP0901150B1 (de) 2004-09-22

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