DE194357C - - Google Patents
Info
- Publication number
- DE194357C DE194357C DENDAT194357D DE194357DA DE194357C DE 194357 C DE194357 C DE 194357C DE NDAT194357 D DENDAT194357 D DE NDAT194357D DE 194357D A DE194357D A DE 194357DA DE 194357 C DE194357 C DE 194357C
- Authority
- DE
- Germany
- Prior art keywords
- artificial
- lamp
- filaments
- fritting
- artificial precipitation
- 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.)
- Active
Links
- 238000001556 precipitation Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002244 precipitate 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
- Physical Or Chemical Processes And Apparatus (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE190667T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE194357C true DE194357C (cs) |
Family
ID=5724867
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190667D Active DE190667C (cs) | |||
| DENDAT194357D Active DE194357C (cs) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT190667D Active DE190667C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE194357C (cs) |
-
0
- DE DENDAT190667D patent/DE190667C/de active Active
- DE DENDAT194357D patent/DE194357C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE190667C (cs) |
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