EP0479259A3 - Mercury vapor discharge lamp - Google Patents
Mercury vapor discharge lamp Download PDFInfo
- Publication number
- EP0479259A3 EP0479259A3 EP19910116800 EP91116800A EP0479259A3 EP 0479259 A3 EP0479259 A3 EP 0479259A3 EP 19910116800 EP19910116800 EP 19910116800 EP 91116800 A EP91116800 A EP 91116800A EP 0479259 A3 EP0479259 A3 EP 0479259A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge lamp
- mercury vapor
- vapor discharge
- mercury
- lamp
- 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- Withdrawn
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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
-
- 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
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2263310A JPH04141940A (en) | 1990-10-01 | 1990-10-01 | Mercury vapor discharge lamp an manufacture thereof |
JP263310/90 | 1990-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0479259A2 EP0479259A2 (en) | 1992-04-08 |
EP0479259A3 true EP0479259A3 (en) | 1992-05-20 |
Family
ID=17387705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19910116800 Withdrawn EP0479259A3 (en) | 1990-10-01 | 1991-10-01 | Mercury vapor discharge lamp |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0479259A3 (en) |
JP (1) | JPH04141940A (en) |
KR (1) | KR940009328B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2091470A1 (en) * | 1992-04-28 | 1993-10-29 | Katherine L. Mcginnis | Method and apparatus for introducing mercury into arc discharge lamps |
DE4445532A1 (en) * | 1994-12-20 | 1996-06-27 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Low pressure discharge lamp |
IT1291974B1 (en) | 1997-05-22 | 1999-01-25 | Getters Spa | DEVICE AND METHOD FOR THE INTRODUCTION OF SMALL QUANTITIES OF MERCURY IN FLUORESCENT LAMPS |
JP3565137B2 (en) | 2000-05-26 | 2004-09-15 | ウシオ電機株式会社 | Method for producing discharge lamp, discharge lamp and carrier for introducing halogen |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892665A (en) * | 1955-01-31 | 1959-06-30 | Westinghouse Electric Corp | Discharge lamp manufacture |
DE2203033A1 (en) * | 1972-01-22 | 1973-07-26 | Herrmann Gebr | Mercury binding material - comprising amalgam-forming metal impregnated in porous carrier |
US3825788A (en) * | 1972-03-01 | 1974-07-23 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | High pressure metal vapor discharge lamp with tubular current lead including filler release construction |
US4146497A (en) * | 1972-12-14 | 1979-03-27 | S.A.E.S. Getters S.P.A. | Supported getter |
EP0081263A2 (en) * | 1981-12-04 | 1983-06-15 | Koninklijke Philips Electronics N.V. | Method of producing a low-pressure mercury vapour discharge lamp |
EP0228005A2 (en) * | 1985-12-19 | 1987-07-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Storage element for dosing and introducing liquid mercury into a discharge lamp |
EP0359724A2 (en) * | 1988-09-12 | 1990-03-21 | SAES GETTERS S.p.A. | Cold cathodes for fluorescent lamps |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01220359A (en) * | 1988-02-29 | 1989-09-04 | Toshiba Corp | Metal vapor discharge lamp and manufacture thereof |
-
1990
- 1990-10-01 JP JP2263310A patent/JPH04141940A/en active Pending
-
1991
- 1991-10-01 EP EP19910116800 patent/EP0479259A3/en not_active Withdrawn
- 1991-10-01 KR KR1019910017194A patent/KR940009328B1/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892665A (en) * | 1955-01-31 | 1959-06-30 | Westinghouse Electric Corp | Discharge lamp manufacture |
DE2203033A1 (en) * | 1972-01-22 | 1973-07-26 | Herrmann Gebr | Mercury binding material - comprising amalgam-forming metal impregnated in porous carrier |
US3825788A (en) * | 1972-03-01 | 1974-07-23 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | High pressure metal vapor discharge lamp with tubular current lead including filler release construction |
US4146497A (en) * | 1972-12-14 | 1979-03-27 | S.A.E.S. Getters S.P.A. | Supported getter |
EP0081263A2 (en) * | 1981-12-04 | 1983-06-15 | Koninklijke Philips Electronics N.V. | Method of producing a low-pressure mercury vapour discharge lamp |
EP0228005A2 (en) * | 1985-12-19 | 1987-07-08 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Storage element for dosing and introducing liquid mercury into a discharge lamp |
EP0359724A2 (en) * | 1988-09-12 | 1990-03-21 | SAES GETTERS S.p.A. | Cold cathodes for fluorescent lamps |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 13, no. 534 (E-852)(3882) 29 November 1989 & JP-A-1 220 359 ( TOSHIBA CORP ) 4 September 1989 * |
Also Published As
Publication number | Publication date |
---|---|
JPH04141940A (en) | 1992-05-15 |
EP0479259A2 (en) | 1992-04-08 |
KR920008828A (en) | 1992-05-28 |
KR940009328B1 (en) | 1994-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
17P | Request for examination filed |
Effective date: 19911029 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE GB |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE GB |
|
17Q | First examination report despatched |
Effective date: 19940617 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19941028 |