BE645648A - - Google Patents
Info
- Publication number
- BE645648A BE645648A BE645648A BE645648A BE645648A BE 645648 A BE645648 A BE 645648A BE 645648 A BE645648 A BE 645648A BE 645648 A BE645648 A BE 645648A BE 645648 A BE645648 A BE 645648A
- Authority
- BE
- Belgium
- Prior art keywords
- cathode
- heating
- filament
- heating filament
- flange
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-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
- H01J1/22—Heaters
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268387A US3225246A (en) | 1963-03-27 | 1963-03-27 | Indirectly heated cathode |
| GB11274/64D GB1027404A (en) | 1963-03-27 | 1964-03-17 | Indirectly heated cathode |
| DER37546A DE1257981B (de) | 1963-03-27 | 1964-03-25 | Indirekt geheizte Kathode fuer eine Elektronenroehre |
| SE3769/64A SE303806B (enrdf_load_stackoverflow) | 1963-03-27 | 1964-03-25 | |
| NL6403305A NL6403305A (enrdf_load_stackoverflow) | 1963-03-27 | 1964-03-26 | |
| FR968911A FR1386875A (fr) | 1963-03-27 | 1964-03-27 | Ensembles de chauffage pour cathodes à chauffage indirect de tubes électroniques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268387A US3225246A (en) | 1963-03-27 | 1963-03-27 | Indirectly heated cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE645648A true BE645648A (enrdf_load_stackoverflow) | 1964-07-16 |
Family
ID=23022769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE645648A BE645648A (enrdf_load_stackoverflow) | 1963-03-27 | 1964-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE645648A (enrdf_load_stackoverflow) |
-
1964
- 1964-03-24 BE BE645648A patent/BE645648A/fr unknown
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