GB488352A - Improved devices comprising at least one super-pressure mercury vapour discharge tube - Google Patents
Improved devices comprising at least one super-pressure mercury vapour discharge tubeInfo
- Publication number
- GB488352A GB488352A GB32408/37A GB3240837A GB488352A GB 488352 A GB488352 A GB 488352A GB 32408/37 A GB32408/37 A GB 32408/37A GB 3240837 A GB3240837 A GB 3240837A GB 488352 A GB488352 A GB 488352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- super
- discharge tube
- pressure mercury
- mercury vapour
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title 1
- 229910052753 mercury Inorganic materials 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 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
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps
Landscapes
- Glass Compositions (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE488352X | 1936-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB488352A true GB488352A (en) | 1938-07-05 |
Family
ID=6543785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32408/37A Expired GB488352A (en) | 1936-11-27 | 1937-11-24 | Improved devices comprising at least one super-pressure mercury vapour discharge tube |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2223470A (en:Method) |
| BE (1) | BE424837A (en:Method) |
| FR (1) | FR829923A (en:Method) |
| GB (1) | GB488352A (en:Method) |
| NL (1) | NL50120C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2595520A (en) * | 1947-03-26 | 1952-05-06 | John J Guerin | Enclosed fluorescent lighting device |
| DE1002725B (de) * | 1954-06-26 | 1957-02-21 | Wirth Arno H Fa | Vorrichtung zur elektrostatischen Beflockung entgegen der Schwerkraft |
| US3219810A (en) * | 1961-08-10 | 1965-11-23 | Inland Steel Products Company | Light transmitting and heat transferring apparatus |
| GB1515086A (en) * | 1975-05-22 | 1978-06-21 | Sun Chemical Corp | Ultraviolet lamp assembly |
-
0
- BE BE424837D patent/BE424837A/xx unknown
- NL NL50120D patent/NL50120C/xx active
-
1937
- 1937-11-16 US US174860A patent/US2223470A/en not_active Expired - Lifetime
- 1937-11-24 GB GB32408/37A patent/GB488352A/en not_active Expired
- 1937-11-26 FR FR829923D patent/FR829923A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR829923A (fr) | 1938-07-11 |
| BE424837A (en:Method) | |
| US2223470A (en) | 1940-12-03 |
| NL50120C (en:Method) |
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