GB699977A - Improvements in or relating to thermionic cathodes - Google Patents
Improvements in or relating to thermionic cathodesInfo
- Publication number
- GB699977A GB699977A GB10393/51A GB1039351A GB699977A GB 699977 A GB699977 A GB 699977A GB 10393/51 A GB10393/51 A GB 10393/51A GB 1039351 A GB1039351 A GB 1039351A GB 699977 A GB699977 A GB 699977A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nickel
- coating
- reduced
- tungsten
- filament
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- 239000011248 coating agent Substances 0.000 abstract 3
- 238000000576 coating method Methods 0.000 abstract 3
- 229910052759 nickel Inorganic materials 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 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
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 239000000020 Nitrocellulose Substances 0.000 abstract 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 abstract 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 229940072049 amyl acetate Drugs 0.000 abstract 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Inorganic materials [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229940043232 butyl acetate Drugs 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000010406 cathode material Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000001962 electrophoresis Methods 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 abstract 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 abstract 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 abstract 1
- 229910052741 iridium Inorganic materials 0.000 abstract 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- HZPNKQREYVVATQ-UHFFFAOYSA-L nickel(2+);diformate Chemical compound [Ni+2].[O-]C=O.[O-]C=O HZPNKQREYVVATQ-UHFFFAOYSA-L 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- 229910052762 osmium Inorganic materials 0.000 abstract 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 239000010948 rhodium Substances 0.000 abstract 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 229910000018 strontium carbonate 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)
- Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE511131D BE511131A (enrdf_load_stackoverflow) | 1951-05-03 | ||
| NL89643D NL89643C (enrdf_load_stackoverflow) | 1951-05-03 | ||
| GB10393/51A GB699977A (en) | 1951-05-03 | 1951-05-03 | Improvements in or relating to thermionic cathodes |
| DEN5441A DE911876C (de) | 1951-05-03 | 1952-04-29 | Verfahren zur Herstellung von Kathoden elektrischer Entladungsroehren und elektrische Entladungsroehre mit gemaess diesem Verfahren hergestellter Kathode |
| CH307771D CH307771A (de) | 1951-05-03 | 1952-05-01 | Verfahren zum Herstellen einer Kathode für elektrische Entladungsröhren und nach diesem Verfahren hergestellte Kathode. |
| US285562A US2748033A (en) | 1951-05-03 | 1952-05-01 | Method of making gas discharge tube and rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10393/51A GB699977A (en) | 1951-05-03 | 1951-05-03 | Improvements in or relating to thermionic cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB699977A true GB699977A (en) | 1953-11-18 |
Family
ID=9967000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10393/51A Expired GB699977A (en) | 1951-05-03 | 1951-05-03 | Improvements in or relating to thermionic cathodes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2748033A (enrdf_load_stackoverflow) |
| BE (1) | BE511131A (enrdf_load_stackoverflow) |
| CH (1) | CH307771A (enrdf_load_stackoverflow) |
| DE (1) | DE911876C (enrdf_load_stackoverflow) |
| GB (1) | GB699977A (enrdf_load_stackoverflow) |
| NL (1) | NL89643C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3755205A (en) * | 1972-03-28 | 1973-08-28 | Us Army | Method of making a catalytic bed |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1894059A (en) * | 1927-04-08 | 1933-01-10 | Forest Radio Company De | Process for producing electron emitters and the product |
| US2049372A (en) * | 1934-11-19 | 1936-07-28 | Gen Electric | Emissive coating for cathodes and method for preparing the same |
| US2430520A (en) * | 1945-03-06 | 1947-11-11 | Glass Science Inc | Deposition of metal on glass from metal formates |
-
0
- NL NL89643D patent/NL89643C/xx active
- BE BE511131D patent/BE511131A/xx unknown
-
1951
- 1951-05-03 GB GB10393/51A patent/GB699977A/en not_active Expired
-
1952
- 1952-04-29 DE DEN5441A patent/DE911876C/de not_active Expired
- 1952-05-01 US US285562A patent/US2748033A/en not_active Expired - Lifetime
- 1952-05-01 CH CH307771D patent/CH307771A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2748033A (en) | 1956-05-29 |
| BE511131A (enrdf_load_stackoverflow) | |
| DE911876C (de) | 1954-05-20 |
| CH307771A (de) | 1955-06-15 |
| NL89643C (enrdf_load_stackoverflow) |
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