GB739325A - Improvements in or relating to thermionic cathode heaters - Google Patents
Improvements in or relating to thermionic cathode heatersInfo
- Publication number
- GB739325A GB739325A GB47/54A GB4754A GB739325A GB 739325 A GB739325 A GB 739325A GB 47/54 A GB47/54 A GB 47/54A GB 4754 A GB4754 A GB 4754A GB 739325 A GB739325 A GB 739325A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alumina
- heater
- coated
- washed
- thermionic cathode
- 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000020 Nitrocellulose Substances 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
- 230000005484 gravity Effects 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- 229940079938 nitrocellulose Drugs 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/02—Electrophoretic coating characterised by the process with inorganic material
-
- 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
-
- 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
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL193502D NL193502A (enrdf_load_stackoverflow) | 1954-01-01 | ||
| NL84939D NL84939C (enrdf_load_stackoverflow) | 1954-01-01 | ||
| GB47/54A GB739325A (en) | 1954-01-01 | 1954-01-01 | Improvements in or relating to thermionic cathode heaters |
| US478028A US2885334A (en) | 1954-01-01 | 1954-12-28 | Thermionic cathode heaters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB47/54A GB739325A (en) | 1954-01-01 | 1954-01-01 | Improvements in or relating to thermionic cathode heaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB739325A true GB739325A (en) | 1955-10-26 |
Family
ID=9697439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB47/54A Expired GB739325A (en) | 1954-01-01 | 1954-01-01 | Improvements in or relating to thermionic cathode heaters |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2885334A (enrdf_load_stackoverflow) |
| GB (1) | GB739325A (enrdf_load_stackoverflow) |
| NL (2) | NL193502A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407104A3 (en) * | 1989-07-01 | 1991-03-20 | Hitachi, Ltd. | Inorganically insulated heater, process for production thereof and cathode ray tube using the same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3137766A (en) * | 1957-12-16 | 1964-06-16 | Norton Co | Electric wire for use at high temperatures |
| US3223607A (en) * | 1959-02-24 | 1965-12-14 | Egyesuelt Izzolampa | Method of manufacturing electrical heating elements with improved aluminum oxide coating |
| NL262042A (enrdf_load_stackoverflow) * | 1960-03-11 | |||
| CN115332026B (zh) * | 2022-07-15 | 2024-08-09 | 中国电子科技集团公司第十二研究所 | 一种可快速启动的阴极组件及其制备方法和应用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1942879A (en) * | 1931-05-07 | 1934-01-09 | Champion Spark Plug Co | Refractory material and batch and method for making the same |
| US1975870A (en) * | 1933-07-07 | 1934-10-09 | Rca Corp | Indirectly heated cathode |
| NL42560C (enrdf_load_stackoverflow) * | 1935-03-06 | |||
| US2092815A (en) * | 1935-11-23 | 1937-09-14 | Rca Corp | Cathode heater insulation |
| US2442864A (en) * | 1944-11-23 | 1948-06-08 | Sylvania Electric Prod | Electrophoresis coating of electron tube parts |
| US2734857A (en) * | 1951-10-11 | 1956-02-14 | snyder |
-
0
- NL NL84939D patent/NL84939C/xx active
- NL NL193502D patent/NL193502A/xx unknown
-
1954
- 1954-01-01 GB GB47/54A patent/GB739325A/en not_active Expired
- 1954-12-28 US US478028A patent/US2885334A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407104A3 (en) * | 1989-07-01 | 1991-03-20 | Hitachi, Ltd. | Inorganically insulated heater, process for production thereof and cathode ray tube using the same |
| US5138221A (en) * | 1989-07-01 | 1992-08-11 | Hitachi, Ltd. | Inorganically insulated heater, and cathode ray tube and air flow sensor using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| NL84939C (enrdf_load_stackoverflow) | |
| US2885334A (en) | 1959-05-05 |
| NL193502A (enrdf_load_stackoverflow) |
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