BE357198A - - Google Patents
Info
- Publication number
- BE357198A BE357198A BE357198DA BE357198A BE 357198 A BE357198 A BE 357198A BE 357198D A BE357198D A BE 357198DA BE 357198 A BE357198 A BE 357198A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- decrease
- lamps
- current intensity
- sodium fluosilicate
- Prior art date
Links
- 230000007423 decrease Effects 0.000 claims description 8
- 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 claims description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 2
- 159000000011 group IA salts Chemical class 0.000 claims description 2
- 230000031700 light absorption Effects 0.000 claims description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical class FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 3
- 229910015900 BF3 Inorganic materials 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL667080X | 1928-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE357198A true BE357198A (https=) |
Family
ID=19798785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE357198D BE357198A (https=) | 1928-02-29 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE357198A (https=) |
| FR (1) | FR667080A (https=) |
-
0
- BE BE357198D patent/BE357198A/fr unknown
-
1929
- 1929-01-08 FR FR667080D patent/FR667080A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR667080A (fr) | 1929-10-12 |
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