EP0901150A3 - Electrode, procédé et dispositif pour sa fabrication - Google Patents

Electrode, procédé et dispositif pour sa fabrication Download PDF

Info

Publication number: EP0901150A3
Authority: EP; European Patent Office
Prior art keywords: electrode; procedure; manufacture; radial; tip
Prior art date: 1997-09-04
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

German (de)

English (en)

Other versions

EP0901150A2 (fr

EP0901150B1 (fr

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.)

1997-09-04

Filing date

1998-07-14

Publication date

1999-04-21

1998-07-14 Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH

1999-03-10 Publication of EP0901150A2 publication Critical patent/EP0901150A2/fr

1999-04-21 Publication of EP0901150A3 publication Critical patent/EP0901150A3/fr

2004-09-22 Application granted granted Critical

2004-09-22 Publication of EP0901150B1 publication Critical patent/EP0901150B1/fr

2018-07-14 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
239000000463 material Substances 0.000 abstract 1
238000005096 rolling process Methods 0.000 abstract 1
238000007493 shaping process Methods 0.000 abstract 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
229910052721 tungsten Inorganic materials 0.000 abstract 1
239000010937 tungsten Substances 0.000 abstract 1

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)

EP98113037A 1997-09-04 1998-07-14 Electrode, procédé et dispositif pour sa fabrication Expired - Lifetime EP0901150B1 (fr)

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 (fr)	1999-03-10
EP0901150A3 true EP0901150A3 (fr)	1999-04-21
EP0901150B1 EP0901150B1 (fr)	2004-09-22

Family

ID=7841107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98113037A Expired - Lifetime EP0901150B1 (fr)	1997-09-04	1998-07-14	Electrode, procédé et dispositif pour sa fabrication

Country Status (7)

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

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 (fr) *	2004-04-21	2019-04-03	Lumileds Holding B.V.	Procede de traitement thermique d'electrodes au tungstene exemptes d'oxyde de thorium pour lampe a decharge haute pression
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 (fr) *	1974-05-13	1975-12-12	Philips Nv
DE3701212A1 (de) *	1986-03-24	1987-10-15	Toho Kinzoku Kk	Wolfram-elektrodenwerkstoff
EP0262005A1 (fr) *	1986-09-08	1988-03-30	EYQUEM, Société dite:	Procédé de fabrication d'une électrode centrale bimétallique à pointe de platine pour bougie d'allumage et électrode obtenue selon ce procédé
EP0299230A1 (fr) *	1987-07-14	1989-01-18	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH	Cathode pour une lampe à décharge à haute pression
WO1991002393A1 (fr) *	1989-08-11	1991-02-21	Ford Motor Company Limited	Formation d'une pointe resistante a l'erosion a l'extremite d'une 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

1997
- 1997-09-04 DE DE19738574A patent/DE19738574A1/de not_active Withdrawn
1998
- 1998-06-26 CN CNB981151329A patent/CN1151537C/zh not_active Expired - Fee Related
- 1998-07-14 DE DE59811983T patent/DE59811983D1/de not_active Expired - Lifetime
- 1998-07-14 AT AT98113037T patent/ATE277423T1/de active
- 1998-07-14 EP EP98113037A patent/EP0901150B1/fr not_active Expired - Lifetime
- 1998-07-23 US US09/121,522 patent/US6109995A/en not_active Expired - Lifetime
- 1998-09-03 JP JP10249257A patent/JPH11135011A/ja active Pending
- 1998-09-03 HU HU9802006A patent/HU221580B/hu not_active IP Right Cessation

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 (fr) *	1974-05-13	1975-12-12	Philips Nv
DE3701212A1 (de) *	1986-03-24	1987-10-15	Toho Kinzoku Kk	Wolfram-elektrodenwerkstoff
EP0262005A1 (fr) *	1986-09-08	1988-03-30	EYQUEM, Société dite:	Procédé de fabrication d'une électrode centrale bimétallique à pointe de platine pour bougie d'allumage et électrode obtenue selon ce procédé
EP0299230A1 (fr) *	1987-07-14	1989-01-18	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH	Cathode pour une lampe à décharge à haute pression
WO1991002393A1 (fr) *	1989-08-11	1991-02-21	Ford Motor Company Limited	Formation d'une pointe resistante a l'erosion a l'extremite d'une 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 (fr)	1999-03-10
US6109995A (en)	2000-08-29
CN1151537C (zh)	2004-05-26
EP0901150B1 (fr)	2004-09-22

Legal Events

Date	Code	Title	Description
1999-01-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1999-05-26	RIN1	Information on inventor provided before grant (corrected)	Inventor name: STEDELE, KLAUS Inventor name: RICHTER, RUDOLF Inventor name: ALTMANN, BERNHARD, DR.
1999-06-09	K1C3	Correction of patent application (complete document) published	Effective date: 19990421
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