EP0341749A3 - Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method - Google Patents

Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method Download PDF

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Publication number
EP0341749A3
EP0341749A3 EP19890108640 EP89108640A EP0341749A3 EP 0341749 A3 EP0341749 A3 EP 0341749A3 EP 19890108640 EP19890108640 EP 19890108640 EP 89108640 A EP89108640 A EP 89108640A EP 0341749 A3 EP0341749 A3 EP 0341749A3
Authority
EP
European Patent Office
Prior art keywords
arc tube
high pressure
metal vapor
vapor discharge
seal
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
EP19890108640
Other languages
German (de)
French (fr)
Other versions
EP0341749A2 (en
EP0341749B1 (en
Inventor
Richard A. Snellgrove
Elliot F. Wyner
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 Sylvania Inc
Original Assignee
GTE Products Corp
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 GTE Products Corp filed Critical GTE Products Corp
Publication of EP0341749A2 publication Critical patent/EP0341749A2/en
Publication of EP0341749A3 publication Critical patent/EP0341749A3/en
Application granted granted Critical
Publication of EP0341749B1 publication Critical patent/EP0341749B1/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
    • 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors
    • H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/366—Seals for leading-in conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

An arc tube for a high pressure metal vapor discharge lamp is provided. The arc tube of the present invention comprises a tubular ceramic envelope; a chemical fill within said envelope; a seal button at each end of said envelope; said seal button having an aperture therethrough for receiving a feedthrough member; a feedthrough member having an electrode projecting therefrom passing through said seal button aperture and being oriented such that the electrode projects into said tubular ceramic envelope, said feedthrough member being sealed into said seal button by means of a fritless seal between said seal button and said feedthrough; and sealing frit material sealing said seal buttons into the ends of said tubular ceramic envelope. A method for fabricating the above-described arc tube and high pressure metal vapor discharge lamp including the above-described arc tube is also provided.
EP89108640A 1988-05-13 1989-05-12 Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method Expired - Lifetime EP0341749B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19406088A 1988-05-13 1988-05-13
US194060 1988-05-13

Publications (3)

Publication Number Publication Date
EP0341749A2 EP0341749A2 (en) 1989-11-15
EP0341749A3 true EP0341749A3 (en) 1991-03-27
EP0341749B1 EP0341749B1 (en) 1997-01-02

Family

ID=22716141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108640A Expired - Lifetime EP0341749B1 (en) 1988-05-13 1989-05-12 Improved arc tube for high pressure metal vapor discharge lamp, lamp including same, and method

Country Status (3)

Country Link
EP (1) EP0341749B1 (en)
JP (1) JPH0265047A (en)
DE (1) DE68927594T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426343A (en) * 1992-09-16 1995-06-20 Gte Products Corporation Sealing members for alumina arc tubes and method of making the same
JP3399103B2 (en) * 1994-07-25 2003-04-21 日本電池株式会社 Unsaturated vapor pressure type high pressure sodium lamp
JP2010287555A (en) * 2009-05-15 2010-12-24 Toshiba Lighting & Technology Corp High-pressure discharge lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564328A (en) * 1968-07-29 1971-02-16 Corning Glass Works Ceramic articles and method of fabrication
FR2326035A1 (en) * 1975-09-29 1977-04-22 Philips Nv ELECTRICAL DISCHARGE LAMP EQUIPPED WITH A CERAMIC BULB
US4713580A (en) * 1986-12-19 1987-12-15 Gte Products Corporation Sealing structure for metal vapor arc discharge lamps
EP0136505B1 (en) * 1983-09-06 1988-11-02 GTE Laboratories Incorporated Direct seal between niobium and ceramics

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL153508B (en) * 1966-11-30 1977-06-15 Philips Nv PROCEDURE FOR VACUUM-TIGHT CONNECTION OF A CERAMIC OBJECT TO A METAL OBJECT AND ELECTRIC DISCHARGE TUBE EQUIPPED WITH A POWER SUPPLY CONDUCTOR OBTAINED IN ACCORDANCE WITH THIS PROCEDURE.
JPS534384A (en) * 1976-07-02 1978-01-14 Hitachi Ltd High pressure sodium lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564328A (en) * 1968-07-29 1971-02-16 Corning Glass Works Ceramic articles and method of fabrication
FR2326035A1 (en) * 1975-09-29 1977-04-22 Philips Nv ELECTRICAL DISCHARGE LAMP EQUIPPED WITH A CERAMIC BULB
EP0136505B1 (en) * 1983-09-06 1988-11-02 GTE Laboratories Incorporated Direct seal between niobium and ceramics
US4713580A (en) * 1986-12-19 1987-12-15 Gte Products Corporation Sealing structure for metal vapor arc discharge lamps

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 293 (E-443)(2349) 4 October 1986; JP-A-61 110 932 (TOSHIBA CORP.) 29 May 1986, *
PATENT ABSTRACTS OF JAPAN vol. 2, no. 47 () 29 March 1978; & JP-A-53 004 384 (HITACHI SEISAKUSHO K. K.) 14 January 1978, *

Also Published As

Publication number Publication date
DE68927594T2 (en) 1997-07-24
JPH0265047A (en) 1990-03-05
EP0341749A2 (en) 1989-11-15
DE68927594D1 (en) 1997-02-13
EP0341749B1 (en) 1997-01-02

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