GB811016A - Activated electrode for electric discharge lamp - Google Patents
Activated electrode for electric discharge lampInfo
- Publication number
- GB811016A GB811016A GB2003/56A GB200356A GB811016A GB 811016 A GB811016 A GB 811016A GB 2003/56 A GB2003/56 A GB 2003/56A GB 200356 A GB200356 A GB 200356A GB 811016 A GB811016 A GB 811016A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- turns
- winding
- emissive material
- strip
- 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
- 239000000463 material Substances 0.000 abstract 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 238000004804 winding Methods 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 3
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 2
- 239000003870 refractory metal Substances 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 239000000020 Nitrocellulose Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000292 calcium oxide Substances 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 229910052743 krypton Inorganic materials 0.000 abstract 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 abstract 1
- 229910003452 thorium oxide Inorganic materials 0.000 abstract 1
- 229910052724 xenon Inorganic materials 0.000 abstract 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract 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
- H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
-
- 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
-
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2855264X | 1954-09-22 | ||
| FR811016X | 1955-01-22 | ||
| FR2879427X | 1955-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB811016A true GB811016A (en) | 1959-03-25 |
Family
ID=32329518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2003/56A Expired GB811016A (en) | 1954-09-22 | 1956-01-20 | Activated electrode for electric discharge lamp |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2855264A (enrdf_load_stackoverflow) |
| BE (1) | BE541432A (enrdf_load_stackoverflow) |
| DE (1) | DE1047313B (enrdf_load_stackoverflow) |
| GB (1) | GB811016A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132241B (de) * | 1960-02-11 | 1962-06-28 | Philips Nv | Elektrische Gasentladungslampe mit kalter Kathode |
| NL269416A (enrdf_load_stackoverflow) * | 1960-09-21 | |||
| US5357167A (en) * | 1992-07-08 | 1994-10-18 | General Electric Company | High pressure discharge lamp with a thermally improved anode |
| US8087966B2 (en) * | 2004-04-21 | 2012-01-03 | Koninklijke Philips Electronics N.V. | Method for the thermal treatment of tungsten electrodes free from thorium oxide for high-pressure discharge lamps |
| US7633216B2 (en) * | 2005-11-28 | 2009-12-15 | General Electric Company | Barium-free electrode materials for electric lamps and methods of manufacture thereof |
| US8188663B2 (en) * | 2009-01-05 | 2012-05-29 | General Electric Company | High intensity discharge lamp |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2007926A (en) * | 1930-10-21 | 1935-07-09 | Sirian Lamp Co | Light emitting unit |
| US2006081A (en) * | 1934-03-02 | 1935-06-25 | Hanovia Chemical & Mfg Co | Electrode for vapor electric devices |
| US2057908A (en) * | 1935-01-08 | 1936-10-20 | Flexlume Corp | Luminous tube |
| CH197418A (de) * | 1936-08-03 | 1938-04-30 | Quarzlampen Gmbh | Elektrische Hochdruckmetalldampfentladungsröhre mit durch die Entladung aufgeheizter Oxydelektrode. |
| US2249672A (en) * | 1936-12-10 | 1941-07-15 | Gen Electric | Discharge device |
| GB486138A (en) * | 1937-01-19 | 1938-05-31 | Gen Electric Co Ltd | Improvements in electrodes for high-pressure metal vapour electric discharge devices |
| DE697428C (de) * | 1937-02-05 | 1940-10-14 | Patra Patent Treuhand | Elektrische, einen Betriebsdruck von mehr als 5 Atmosphaeren aufweisende Quecksilberdampfentladungslampe mit entladungsgeheizten Betriebsgluehelektroden und Anlasselektroden |
| BE426649A (enrdf_load_stackoverflow) * | 1937-03-09 | |||
| US2187774A (en) * | 1937-10-08 | 1940-01-23 | Gen Electric | Electric discharge lamp adapted for use as source in optical projection apparatus |
| US2304412A (en) * | 1939-10-04 | 1942-12-08 | Gen Electric | Electric high pressure discharge lamp |
| DE880360C (de) * | 1943-07-14 | 1953-06-22 | Patra Patent Treuhand | Elektrische kugelfoermige Hochdruckentladungslampe |
| GB639536A (en) * | 1946-04-17 | 1950-06-28 | Gen Electric Co Ltd | Improvements in and relating to mercury vapour lamps |
| US2670451A (en) * | 1950-01-12 | 1954-02-23 | Westinghouse Electric Corp | Short arc high-pressure vapor discharge lamp |
| US2682007A (en) * | 1951-01-11 | 1954-06-22 | Hanovia Chemical & Mfg Co | Compact type electrical discharge device |
| US2687489A (en) * | 1952-06-26 | 1954-08-24 | Hanovia Chemical & Mfg Co | Electrode |
| FR1084263A (fr) * | 1953-06-04 | 1955-01-18 | Ets Claude Paz & Silva | Procédé pour la fabrication d'une électrode pour appareil à décharge électrique |
-
0
- BE BE541432D patent/BE541432A/xx unknown
-
1955
- 1955-09-20 US US535331A patent/US2855264A/en not_active Expired - Lifetime
-
1956
- 1956-01-09 DE DEE11797A patent/DE1047313B/de active Pending
- 1956-01-16 US US559424A patent/US2879427A/en not_active Expired - Lifetime
- 1956-01-20 GB GB2003/56A patent/GB811016A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1047313B (de) | 1958-12-24 |
| US2879427A (en) | 1959-03-24 |
| BE541432A (enrdf_load_stackoverflow) | |
| US2855264A (en) | 1958-10-07 |
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