GB1283152A - Metal halide discharge lamp - Google Patents
Metal halide discharge lampInfo
- Publication number
- GB1283152A GB1283152A GB1726170A GB1726170A GB1283152A GB 1283152 A GB1283152 A GB 1283152A GB 1726170 A GB1726170 A GB 1726170A GB 1726170 A GB1726170 A GB 1726170A GB 1283152 A GB1283152 A GB 1283152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- sni
- sncl
- combines
- metal
- 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
- 229910001507 metal halide Inorganic materials 0.000 title abstract 3
- 150000005309 metal halides Chemical class 0.000 title abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000460 chlorine Substances 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- -1 SnCl 2 Substances 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 239000005350 fused silica glass Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 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
- H01J61/12—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
Landscapes
- Discharge Lamp (AREA)
Abstract
1283152 Metal-halide lamps GENERAL ELECTRIC CO 10 April 1970 [19 May 1969] 17261/70 Heading HiD The filling of a metal-halide lamp contains an inert gas e.g. 25 torr of argon, SnCl 2 , Sn and/or SnI 2 , such that the reactivity of free chlorine produced in the discharge is reduced by an excess concentration of tin. Excess tin getters free Cl 2 and 0 2 which are present and also combines with the C1 2 released by dissociation of the SnCl 2 . SnI 2 combines with C1 2 to release less reactive I 2 and aids regeneration of tungsten electrodes. The lamp envelope 2 is of fused silica and the tungsten electrodes 5, 6 are welded to molybdenum leads 9, 10. The spectral emission of the lamp is stated to be similar to that of a black body at 5500‹ K.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82572269A | 1969-05-19 | 1969-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1283152A true GB1283152A (en) | 1972-07-26 |
Family
ID=25244758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1726170A Expired GB1283152A (en) | 1969-05-19 | 1970-04-10 | Metal halide discharge lamp |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5432272B1 (en) |
| BE (1) | BE750473A (en) |
| DE (1) | DE2023770C3 (en) |
| FR (1) | FR2047428A5 (en) |
| GB (1) | GB1283152A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001626A (en) | 1973-11-26 | 1977-01-04 | U.S. Philips Corporation | High pressure tin halide discharge lamp |
| WO2004049386A3 (en) * | 2002-11-26 | 2004-09-30 | Philips Intellectual Property | High-pressure discharge lamp with mercury chloride having a limited chlorine content |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2456757C2 (en) * | 1974-11-30 | 1983-06-01 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Metal halide high pressure gas discharge lamp |
| US4360756A (en) * | 1979-11-13 | 1982-11-23 | General Electric Company | Metal halide lamp containing ThI4 with added elemental cadmium or zinc |
| KR20010037340A (en) | 1999-10-15 | 2001-05-07 | 구자홍 | AN ELECTRODELESS LAMP INCLUDING SnI2 |
-
1970
- 1970-04-10 GB GB1726170A patent/GB1283152A/en not_active Expired
- 1970-04-13 JP JP3087070A patent/JPS5432272B1/ja active Pending
- 1970-05-06 FR FR7016656A patent/FR2047428A5/fr not_active Expired
- 1970-05-15 DE DE19702023770 patent/DE2023770C3/en not_active Expired
- 1970-05-15 BE BE750473D patent/BE750473A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001626A (en) | 1973-11-26 | 1977-01-04 | U.S. Philips Corporation | High pressure tin halide discharge lamp |
| WO2004049386A3 (en) * | 2002-11-26 | 2004-09-30 | Philips Intellectual Property | High-pressure discharge lamp with mercury chloride having a limited chlorine content |
| US7282862B2 (en) | 2002-11-26 | 2007-10-16 | Koninklijke Philips Electronics, N.V. | High-pressure discharge lamp with mercury chloride having a limited chlorine content |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5432272B1 (en) | 1979-10-13 |
| DE2023770A1 (en) | 1970-12-10 |
| BE750473A (en) | 1970-11-16 |
| DE2023770C3 (en) | 1974-10-03 |
| DE2023770B2 (en) | 1974-03-14 |
| FR2047428A5 (en) | 1971-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |