BE380851A - - Google Patents
Info
- Publication number
- BE380851A BE380851A BE380851DA BE380851A BE 380851 A BE380851 A BE 380851A BE 380851D A BE380851D A BE 380851DA BE 380851 A BE380851 A BE 380851A
- Authority
- BE
- Belgium
- Prior art keywords
- filament
- cathode
- heating
- insulating
- incandescent
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 51
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000013021 overheating Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 244000088959 Ochrosia oppositifolia Species 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380851A true BE380851A (https=) |
Family
ID=50514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380851D BE380851A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE380851A (https=) |
-
0
- BE BE380851D patent/BE380851A/fr unknown
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