DE846739C - Verfahren zur Herstellung einer indirekt heizbaren Kathode - Google Patents
Verfahren zur Herstellung einer indirekt heizbaren KathodeInfo
- Publication number
- DE846739C DE846739C DEN2546D DEN0002546D DE846739C DE 846739 C DE846739 C DE 846739C DE N2546 D DEN2546 D DE N2546D DE N0002546 D DEN0002546 D DE N0002546D DE 846739 C DE846739 C DE 846739C
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- alkali
- alkaline earth
- earth metals
- filled
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 6
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 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
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 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
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL103265A NL59317C (enrdf_load_stackoverflow) | 1941-10-15 | 1941-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE846739C true DE846739C (de) | 1952-08-18 |
Family
ID=19780546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN2546D Expired DE846739C (de) | 1941-10-15 | 1942-10-13 | Verfahren zur Herstellung einer indirekt heizbaren Kathode |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2495580A (enrdf_load_stackoverflow) |
| BE (1) | BE447568A (enrdf_load_stackoverflow) |
| CH (1) | CH241098A (enrdf_load_stackoverflow) |
| DE (1) | DE846739C (enrdf_load_stackoverflow) |
| FR (1) | FR886755A (enrdf_load_stackoverflow) |
| GB (1) | GB611933A (enrdf_load_stackoverflow) |
| NL (1) | NL59317C (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563573A (en) * | 1951-08-07 | Hot cathode electron tube which re | ||
| CH308666A (de) * | 1951-01-11 | 1955-07-31 | Egyesuelt Izzolampa | Kathode und Verfahren zu deren Herstellung. |
| US3031740A (en) * | 1958-03-12 | 1962-05-01 | Eitel Mccullough Inc | Matrix type cathode |
| FR2215699B1 (enrdf_load_stackoverflow) * | 1973-01-30 | 1976-04-30 | Commissariat Energie Atomique | |
| US4987342A (en) * | 1989-03-27 | 1991-01-22 | Gte Products Corporation | Self-ballasted glow discharge lamp having indirectly-heated cathode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1618499A (en) * | 1923-11-06 | 1927-02-22 | Charles P White | Electrical apparatus |
| US2075876A (en) * | 1927-12-28 | 1937-04-06 | Electrons Inc | Cathode organization |
| US2107945A (en) * | 1934-11-20 | 1938-02-08 | Gen Electric | Cathode structure |
-
1941
- 1941-10-15 NL NL103265A patent/NL59317C/xx active
-
1942
- 1942-10-13 FR FR886755D patent/FR886755A/fr not_active Expired
- 1942-10-13 CH CH241098D patent/CH241098A/de unknown
- 1942-10-13 DE DEN2546D patent/DE846739C/de not_active Expired
- 1942-10-15 BE BE447568D patent/BE447568A/xx unknown
-
1946
- 1946-03-11 US US653691A patent/US2495580A/en not_active Expired - Lifetime
- 1946-03-27 GB GB9421/46A patent/GB611933A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL59317C (enrdf_load_stackoverflow) | 1946-06-15 |
| US2495580A (en) | 1950-01-24 |
| GB611933A (en) | 1948-11-05 |
| BE447568A (enrdf_load_stackoverflow) | 1942-11-30 |
| CH241098A (de) | 1946-02-15 |
| FR886755A (fr) | 1943-10-25 |
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