JPS649703B2 - - Google Patents
Info
- Publication number
- JPS649703B2 JPS649703B2 JP53154567A JP15456778A JPS649703B2 JP S649703 B2 JPS649703 B2 JP S649703B2 JP 53154567 A JP53154567 A JP 53154567A JP 15456778 A JP15456778 A JP 15456778A JP S649703 B2 JPS649703 B2 JP S649703B2
- Authority
- JP
- Japan
- Prior art keywords
- iron
- tungsten
- lamp
- discharge lamp
- arc discharge
- 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.)
- Expired
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 29
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 15
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 239000010937 tungsten Substances 0.000 claims description 15
- 238000010891 electric arc Methods 0.000 claims description 13
- -1 iron halides Chemical class 0.000 claims description 9
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 239000006104 solid solution Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001507 metal halide Inorganic materials 0.000 description 4
- 150000005309 metal halides Chemical class 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BQZGVMWPHXIKEQ-UHFFFAOYSA-L iron(ii) iodide Chemical compound [Fe+2].[I-].[I-] BQZGVMWPHXIKEQ-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/859,275 US4158789A (en) | 1977-12-12 | 1977-12-12 | Metal halide arc discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5488677A JPS5488677A (en) | 1979-07-13 |
| JPS649703B2 true JPS649703B2 (en]) | 1989-02-20 |
Family
ID=25330469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15456778A Granted JPS5488677A (en) | 1977-12-12 | 1978-12-12 | Arc discharge lamp |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4158789A (en]) |
| JP (1) | JPS5488677A (en]) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492898A (en) * | 1982-07-26 | 1985-01-08 | Gte Laboratories Incorporated | Mercury-free discharge lamp |
| JPS6059650A (ja) * | 1983-09-09 | 1985-04-06 | Hitachi Ltd | 水平点灯形メタルハライドランプ |
| JPS60221945A (ja) * | 1984-04-19 | 1985-11-06 | Toshiba Corp | 金属蒸気放電灯 |
| GB2183085A (en) * | 1985-10-04 | 1987-05-28 | Ushio Electric Inc | Iron vapor discharge lamp |
| JP4777594B2 (ja) * | 2002-06-10 | 2011-09-21 | ウシオ電機株式会社 | 高圧放電灯およびこれを用いたランプユニット |
| JP4978738B1 (ja) * | 2011-01-06 | 2012-07-18 | 岩崎電気株式会社 | メタルハライドランプ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134924A (en) * | 1960-07-05 | 1964-05-26 | Monsanto Co | Emissive materials of a metal matrix with molecularly dispersed additives |
| JPS4917062A (en]) * | 1972-06-09 | 1974-02-15 | ||
| JPS4971779A (en]) * | 1972-11-14 | 1974-07-11 | ||
| JPS5044675A (en]) * | 1973-08-24 | 1975-04-22 |
-
1977
- 1977-12-12 US US05/859,275 patent/US4158789A/en not_active Expired - Lifetime
-
1978
- 1978-12-12 JP JP15456778A patent/JPS5488677A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4158789A (en) | 1979-06-19 |
| JPS5488677A (en) | 1979-07-13 |
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