CA1071685A - Metal halide lamp having open tungsten coil electrodes - Google Patents
Metal halide lamp having open tungsten coil electrodesInfo
- Publication number
- CA1071685A CA1071685A CA277,451A CA277451A CA1071685A CA 1071685 A CA1071685 A CA 1071685A CA 277451 A CA277451 A CA 277451A CA 1071685 A CA1071685 A CA 1071685A
- Authority
- CA
- Canada
- Prior art keywords
- wire
- tungsten
- envelope
- shank
- arc tube
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 16
- 239000010937 tungsten Substances 0.000 title claims abstract description 16
- 229910001507 metal halide Inorganic materials 0.000 title claims abstract description 9
- 150000005309 metal halides Chemical class 0.000 title claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 14
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 9
- 229910052776 Thorium Inorganic materials 0.000 claims description 9
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims description 6
- MDMUQRJQFHEVFG-UHFFFAOYSA-J thorium(iv) iodide Chemical compound [I-].[I-].[I-].[I-].[Th+4] MDMUQRJQFHEVFG-UHFFFAOYSA-J 0.000 claims description 6
- HUIHCQPFSRNMNM-UHFFFAOYSA-K scandium(3+);triiodide Chemical compound [Sc+3].[I-].[I-].[I-] HUIHCQPFSRNMNM-UHFFFAOYSA-K 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- 235000009518 sodium iodide Nutrition 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 15
- 238000004544 sputter deposition Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- -1 sodium-scandium-thorium iodide Chemical compound 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 17
- 206010052428 Wound Diseases 0.000 description 16
- 208000027418 Wounds and injury Diseases 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 101001034843 Mus musculus Interferon-induced transmembrane protein 1 Proteins 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 229910052706 scandium Inorganic materials 0.000 description 3
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000005350 fused silica glass Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 2
- 229910003452 thorium oxide Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- UOACKFBJUYNSLK-XRKIENNPSA-N Estradiol Cypionate Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H](C4=CC=C(O)C=C4CC3)CC[C@@]21C)C(=O)CCC1CCCC1 UOACKFBJUYNSLK-XRKIENNPSA-N 0.000 description 1
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 241000135799 Thorius Species 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910001511 metal iodide Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
- 230000029305 taxis Effects 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
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/681,790 US4105908A (en) | 1976-04-30 | 1976-04-30 | Metal halide lamp having open tungsten coil electrodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1071685A true CA1071685A (en) | 1980-02-12 |
Family
ID=24736827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA277,451A Expired CA1071685A (en) | 1976-04-30 | 1977-04-29 | Metal halide lamp having open tungsten coil electrodes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4105908A (enExample) |
| JP (1) | JPS52132570A (enExample) |
| BE (1) | BE853948A (enExample) |
| CA (1) | CA1071685A (enExample) |
| DE (1) | DE2718642C2 (enExample) |
| GB (1) | GB1578252A (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4340836A (en) * | 1978-09-11 | 1982-07-20 | General Electric Company | Electrode for miniature high pressure metal halide lamp |
| US4277714A (en) * | 1979-07-02 | 1981-07-07 | Gte Products Corporation | Metal halide arc discharge lamp having coiled coil electrodes |
| JPS5676156A (en) * | 1979-11-24 | 1981-06-23 | Matsushita Electronics Corp | High-pressure sodium-vapor lamp |
| US4559473A (en) * | 1982-06-11 | 1985-12-17 | General Electric Company | Electrode structure for high pressure sodium vapor lamps |
| DE3305468A1 (de) * | 1983-02-17 | 1984-08-23 | Egyesült Izzólámpa és Villamossági Részvénytársaság, Budapest | Verfahren zur herstellung von elektroden fuer hochdruck-entladungslampen |
| US4893057A (en) * | 1983-05-10 | 1990-01-09 | North American Philips Corp. | High intensity discharge lamp and electodes for such a lamp |
| US4847534A (en) * | 1985-07-17 | 1989-07-11 | U.S. Philips Corporation | High-pressure discharge lamp with torsionally wound electrode structure |
| US5041041A (en) * | 1986-12-22 | 1991-08-20 | Gte Products Corporation | Method of fabricating a composite lamp filament |
| US4950954A (en) * | 1988-12-07 | 1990-08-21 | Gte Products Corporation | Metal halide discharge lamp with electrodes having unequal thoria contents |
| US5357167A (en) * | 1992-07-08 | 1994-10-18 | General Electric Company | High pressure discharge lamp with a thermally improved anode |
| DE19616408A1 (de) * | 1996-04-24 | 1997-10-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrode für Entladungslampen |
| US6646379B1 (en) | 1998-12-25 | 2003-11-11 | Matsushita Electric Industrial Co., Ltd. | Metal vapor discharge lamp having cermet lead-in with improved luminous efficiency and flux rise time |
| JP3177230B2 (ja) | 1999-05-25 | 2001-06-18 | 松下電子工業株式会社 | 金属蒸気放電ランプ |
| JP3233355B2 (ja) | 1999-05-25 | 2001-11-26 | 松下電器産業株式会社 | メタルハライドランプ |
| CN1386294A (zh) * | 2000-05-12 | 2002-12-18 | 皇家菲利浦电子有限公司 | 高压放电灯 |
| US6769947B1 (en) | 2000-06-27 | 2004-08-03 | General Electric Company | Method for manufacturing a lamp electrode |
| US6853119B2 (en) * | 2001-08-02 | 2005-02-08 | Osram Sylvania Inc. | Double layer electrode coil for a HID lamp and method of making the electrode coil |
| WO2005010910A2 (en) * | 2003-07-21 | 2005-02-03 | Advanced Lighting Technologies, Inc. | Dopant-free tungsten electrodes in metal halide lamps |
| US8188663B2 (en) * | 2009-01-05 | 2012-05-29 | General Electric Company | High intensity discharge lamp |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2171234A (en) * | 1937-08-12 | 1939-08-29 | Westinghouse Electric & Mfg Co | Discharge device and electrode |
| US2441863A (en) * | 1945-03-10 | 1948-05-18 | Gen Electric | Electrode for discharge devices |
| US2765420A (en) * | 1954-07-12 | 1956-10-02 | Gen Electric | Lamp electrode |
| GB1051170A (enExample) * | 1963-05-02 | |||
| NL296948A (enExample) * | 1963-08-21 | |||
| US3937996A (en) * | 1974-10-07 | 1976-02-10 | General Electric Company | Metal halide lamp using loop electrodes |
| US3979624A (en) * | 1975-04-29 | 1976-09-07 | Westinghouse Electric Corporation | High-efficiency discharge lamp which incorporates a small molar excess of alkali metal halide as compared to scandium halide |
-
1976
- 1976-04-30 US US05/681,790 patent/US4105908A/en not_active Expired - Lifetime
-
1977
- 1977-03-18 JP JP2935677A patent/JPS52132570A/ja active Granted
- 1977-04-26 BE BE177009A patent/BE853948A/xx not_active IP Right Cessation
- 1977-04-27 DE DE2718642A patent/DE2718642C2/de not_active Expired
- 1977-04-29 CA CA277,451A patent/CA1071685A/en not_active Expired
- 1977-05-02 GB GB18326/77A patent/GB1578252A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2718642A1 (de) | 1977-11-10 |
| DE2718642C2 (de) | 1982-05-06 |
| JPS619703B2 (enExample) | 1986-03-25 |
| BE853948A (fr) | 1977-10-26 |
| JPS52132570A (en) | 1977-11-07 |
| GB1578252A (en) | 1980-11-05 |
| US4105908A (en) | 1978-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |