GB380835A - Highly emissive thermionic cathode - Google Patents
Highly emissive thermionic cathodeInfo
- Publication number
- GB380835A GB380835A GB18234/31A GB1823431A GB380835A GB 380835 A GB380835 A GB 380835A GB 18234/31 A GB18234/31 A GB 18234/31A GB 1823431 A GB1823431 A GB 1823431A GB 380835 A GB380835 A GB 380835A
- Authority
- GB
- United Kingdom
- Prior art keywords
- barium
- cathode
- sulphide
- tube
- excess
- 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
- 229910052788 barium Inorganic materials 0.000 abstract 12
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 12
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 5
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 abstract 5
- 229910052751 metal Inorganic materials 0.000 abstract 5
- 239000002184 metal Substances 0.000 abstract 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 4
- 150000001875 compounds Chemical class 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052700 potassium Inorganic materials 0.000 abstract 2
- 239000011591 potassium Substances 0.000 abstract 2
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 2
- 239000004291 sulphur dioxide Substances 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 241000282320 Panthera leo Species 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 150000001339 alkali metal compounds Chemical class 0.000 abstract 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- UNLSXXHOHZUADN-UHFFFAOYSA-N barium cyanide Chemical compound [Ba+2].N#[C-].N#[C-] UNLSXXHOHZUADN-UHFFFAOYSA-N 0.000 abstract 1
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 abstract 1
- VAWSWDPVUFTPQO-UHFFFAOYSA-N calcium strontium Chemical compound [Ca].[Sr] VAWSWDPVUFTPQO-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 abstract 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 1
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 1
- 239000001120 potassium sulphate Substances 0.000 abstract 1
- 235000011151 potassium sulphates Nutrition 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 150000004763 sulfides Chemical class 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE380835X | 1930-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB380835A true GB380835A (en) | 1932-09-26 |
Family
ID=6349618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18234/31A Expired GB380835A (en) | 1930-06-25 | 1931-06-24 | Highly emissive thermionic cathode |
Country Status (4)
Country | Link |
---|---|
US (1) | US1893935A (enrdf_load_stackoverflow) |
BE (1) | BE380781A (enrdf_load_stackoverflow) |
FR (1) | FR719069A (enrdf_load_stackoverflow) |
GB (1) | GB380835A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2861014A (en) * | 1956-08-14 | 1958-11-18 | Gen Lab Associates Inc | Process of making a semi-conductive ceramic body |
-
0
- BE BE380781D patent/BE380781A/xx unknown
-
1931
- 1931-06-22 US US545998A patent/US1893935A/en not_active Expired - Lifetime
- 1931-06-24 GB GB18234/31A patent/GB380835A/en not_active Expired
- 1931-06-24 FR FR719069D patent/FR719069A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE380781A (enrdf_load_stackoverflow) | |
US1893935A (en) | 1933-01-10 |
FR719069A (fr) | 1932-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2173258A (en) | Active metal compound for vacuum tubes | |
US2224324A (en) | Electric discharge tube | |
US2130190A (en) | Getter for vacuum tubes | |
GB380835A (en) | Highly emissive thermionic cathode | |
US1992566A (en) | Fixation of atmospheric nitrogen by means of an electric arc | |
US2175696A (en) | Electron emitter | |
GB315704A (en) | Improvements in or relating to luminous electric discharge tubes | |
GB272440A (en) | Incandescent cathode for electric discharge tubes | |
US2306290A (en) | Cathode alloy | |
US2246162A (en) | Thermionic cathode treatment | |
GB219663A (en) | Improvements in electrodes for discharge tubes | |
US1849594A (en) | Oxide cathode | |
US1968823A (en) | Gaseous electric discharge lamp device | |
US1663553A (en) | Electron-emitting material | |
US2001504A (en) | Gaseous electric discharge lamp device | |
US1752747A (en) | Electron-discharge device and getter therefor | |
US1871352A (en) | Electron discharge device and method of manufacture | |
GB475772A (en) | Improvements in electric discharge tubes | |
US1952854A (en) | Manufacture of thermionic cathodes | |
GB352756A (en) | Improvements in and relating to gaseous electric discharge devices | |
US1720675A (en) | Manufacture of oxide cathodes | |
US2394095A (en) | Activated electrode | |
GB516620A (en) | Improvements in cathode ray tubes | |
GB271401A (en) | Improvements in and relating to thermionic valves and methods of manufacturing the same | |
US1691446A (en) | Electron-discharge device with oxide-coated filament |