DE2125444A1 - - Google Patents
Info
- Publication number
- DE2125444A1 DE2125444A1 DE19712125444 DE2125444A DE2125444A1 DE 2125444 A1 DE2125444 A1 DE 2125444A1 DE 19712125444 DE19712125444 DE 19712125444 DE 2125444 A DE2125444 A DE 2125444A DE 2125444 A1 DE2125444 A1 DE 2125444A1
- Authority
- DE
- Germany
- Prior art keywords
- cavity
- electrode
- coil
- tungsten
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 32
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 25
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 17
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical group O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 16
- 229910003452 thorium oxide Inorganic materials 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 239000010937 tungsten Substances 0.000 claims description 16
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims description 15
- 230000035515 penetration Effects 0.000 claims description 14
- 229910001507 metal halide Inorganic materials 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 150000005309 metal halides Chemical class 0.000 claims description 6
- 235000009518 sodium iodide Nutrition 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 239000003870 refractory metal Substances 0.000 claims description 3
- 239000011796 hollow space material Substances 0.000 claims description 2
- 239000006187 pill Substances 0.000 description 9
- 238000010891 electric arc Methods 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 239000012190 activator Substances 0.000 description 4
- 238000010849 ion bombardment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 3
- 230000010181 polygamy Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000005556 hormone Substances 0.000 description 2
- 229940088597 hormone Drugs 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000015943 Coeliac disease Diseases 0.000 description 1
- 241001137251 Corvidae Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910004369 ThO2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 235000015108 pies Nutrition 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- CMJCEVKJYRZMIA-UHFFFAOYSA-M thallium(i) iodide Chemical compound [Tl]I CMJCEVKJYRZMIA-UHFFFAOYSA-M 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 230000003442 weekly effect 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4013470A | 1970-05-25 | 1970-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2125444A1 true DE2125444A1 (enrdf_load_stackoverflow) | 1971-12-09 |
Family
ID=21909301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712125444 Pending DE2125444A1 (enrdf_load_stackoverflow) | 1970-05-25 | 1971-05-22 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3619699A (enrdf_load_stackoverflow) |
JP (1) | JPS5133356B1 (enrdf_load_stackoverflow) |
BE (1) | BE767484A (enrdf_load_stackoverflow) |
DE (1) | DE2125444A1 (enrdf_load_stackoverflow) |
FR (1) | FR2093722A5 (enrdf_load_stackoverflow) |
GB (1) | GB1353683A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1439567A3 (de) * | 2003-01-16 | 2006-07-05 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrode für eine Hochdruckentladungslampe |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989973A (en) * | 1971-01-02 | 1976-11-02 | Siemens Aktiengesellschaft | Cold-cathode gas-discharge device |
US3809943A (en) * | 1973-04-19 | 1974-05-07 | Gen Electric | High intensity discharge lamp electrode |
US3988629A (en) * | 1974-10-07 | 1976-10-26 | General Electric Company | Thermionic wick electrode for discharge lamps |
US4321503A (en) * | 1978-11-06 | 1982-03-23 | Westinghouse Electric Corp. | HID Lamp electrode comprising barium-calcium niobate or tantalate |
US4436762A (en) | 1982-07-26 | 1984-03-13 | Gte Laboratories Incorporated | Low pressure plasma discharge formation of refractory coatings |
GB2173943A (en) * | 1985-04-18 | 1986-10-22 | Noblelight Limited | Improvements in and relating to cathodes |
JPH04174951A (ja) * | 1990-07-19 | 1992-06-23 | Tokyo Densoku Kk | 放電管 |
EP0988701A1 (en) * | 1998-04-20 | 2000-03-29 | Koninklijke Philips Electronics N.V. | Timing circuit |
JP3324584B2 (ja) | 1999-10-20 | 2002-09-17 | 松下電器産業株式会社 | 放電灯の製造方法 |
US20060049762A1 (en) * | 2004-09-03 | 2006-03-09 | Koch Mark E | Night-vision illumination lamp |
RU2278442C1 (ru) * | 2005-03-17 | 2006-06-20 | Виктор Иванович Цай | Газоразрядная лампа |
RU2278441C1 (ru) * | 2005-03-17 | 2006-06-20 | Виктор Иванович Цай | Электрод газоразрядной лампы |
WO2006114770A1 (en) * | 2005-04-27 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Discharge lamp with electrode made of tungsten alloy comprising < 3 wt .% of rhenium |
JP4725389B2 (ja) * | 2006-03-29 | 2011-07-13 | ウシオ電機株式会社 | 高圧放電ランプ |
US8460045B2 (en) * | 2007-06-25 | 2013-06-11 | General Electric Company | High intensity discharge lamp with enhanced dimming characteristcs |
JP2010232023A (ja) * | 2009-03-27 | 2010-10-14 | Ushio Inc | ショートアーク型放電ランプ |
US8525430B2 (en) * | 2009-06-09 | 2013-09-03 | Topanga Technologies, Inc. | Helical structure and method for plasma lamp |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3029359A (en) * | 1960-03-29 | 1962-04-10 | Gen Electric | Thermionic electrode for discharge lamps |
-
1970
- 1970-05-25 US US40134A patent/US3619699A/en not_active Expired - Lifetime
-
1971
- 1971-05-21 JP JP46034136A patent/JPS5133356B1/ja active Pending
- 1971-05-21 BE BE767484A patent/BE767484A/xx unknown
- 1971-05-22 DE DE19712125444 patent/DE2125444A1/de active Pending
- 1971-05-25 GB GB1707271A patent/GB1353683A/en not_active Expired
- 1971-05-25 FR FR7118919A patent/FR2093722A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1439567A3 (de) * | 2003-01-16 | 2006-07-05 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrode für eine Hochdruckentladungslampe |
Also Published As
Publication number | Publication date |
---|---|
JPS5133356B1 (enrdf_load_stackoverflow) | 1976-09-18 |
FR2093722A5 (enrdf_load_stackoverflow) | 1972-01-28 |
BE767484A (fr) | 1971-11-22 |
US3619699A (en) | 1971-11-09 |
GB1353683A (en) | 1974-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OHN | Withdrawal |