GB1378733A - Indirectly heated type cathode devices - Google Patents
Indirectly heated type cathode devicesInfo
- Publication number
- GB1378733A GB1378733A GB2022273A GB2022273A GB1378733A GB 1378733 A GB1378733 A GB 1378733A GB 2022273 A GB2022273 A GB 2022273A GB 2022273 A GB2022273 A GB 2022273A GB 1378733 A GB1378733 A GB 1378733A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- heater
- substrate
- casing
- april
- 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
- 239000000203 mixture Substances 0.000 abstract 5
- 239000000758 substrate Substances 0.000 abstract 3
- 239000011888 foil Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 1
- 229910001182 Mo alloy Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
- 229910052702 rhenium Inorganic materials 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 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
- H01J1/24—Insulating layer or body located between heater and emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4278772A JPS495262A (enrdf_load_stackoverflow) | 1972-04-28 | 1972-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1378733A true GB1378733A (en) | 1974-12-27 |
Family
ID=12645661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2022273A Expired GB1378733A (en) | 1972-04-28 | 1973-04-27 | Indirectly heated type cathode devices |
Country Status (3)
Country | Link |
---|---|
US (1) | US3803441A (enrdf_load_stackoverflow) |
JP (1) | JPS495262A (enrdf_load_stackoverflow) |
GB (1) | GB1378733A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2268325A (en) * | 1992-07-01 | 1994-01-05 | Thorn Emi Electronics Ltd | Thermionic cathode structure. |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU179748B (en) * | 1974-01-15 | 1982-12-28 | Ferenc Puskas | Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof |
JPS5525066B2 (enrdf_load_stackoverflow) * | 1974-10-30 | 1980-07-03 | ||
US4268775A (en) * | 1978-03-13 | 1981-05-19 | Anthony J. Barraco | Cathode-heater assembly and support structure therefor |
FR2476386A1 (fr) | 1980-02-15 | 1981-08-21 | Thomson Csf | Element chauffant pour cathode a chauffage indirect, procede de fabrication d'un tel element et cathode a chauffage indirect comportant un tel element |
NL8100928A (nl) * | 1981-02-26 | 1982-09-16 | Philips Nv | Oxydkathode. |
US5350969A (en) * | 1991-12-03 | 1994-09-27 | Litton Systems, Inc. | Cathode heater and cathode assembly for microwave power tubes |
CN102446680A (zh) * | 2010-10-13 | 2012-05-09 | 北京中科信电子装备有限公司 | 有效提高多电荷离子产额的新型发射电子阴极 |
FR2997548A1 (fr) * | 2012-10-26 | 2014-05-02 | Thales Sa | Cathode a emission thermoelectronique a demarrage rapide et son procede d'elaboration |
US20210307117A1 (en) * | 2020-03-25 | 2021-09-30 | Lockheed Martin Corporation | Robust Versatile Monolithic Resistive System for Tailored Heating |
JP2023172735A (ja) * | 2022-05-24 | 2023-12-06 | 新光電気工業株式会社 | 潜熱蓄熱体及び潜熱蓄熱体の製造方法 |
JP2023172734A (ja) * | 2022-05-24 | 2023-12-06 | 新光電気工業株式会社 | 潜熱蓄熱体及び潜熱蓄熱体の製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS433701Y1 (enrdf_load_stackoverflow) * | 1967-07-26 | 1968-02-16 |
-
1972
- 1972-04-28 JP JP4278772A patent/JPS495262A/ja active Pending
-
1973
- 1973-04-26 US US00354808A patent/US3803441A/en not_active Expired - Lifetime
- 1973-04-27 GB GB2022273A patent/GB1378733A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2268325A (en) * | 1992-07-01 | 1994-01-05 | Thorn Emi Electronics Ltd | Thermionic cathode structure. |
GB2268325B (en) * | 1992-07-01 | 1996-01-03 | Thorn Emi Electronics Ltd | Thermionic cathode structure |
Also Published As
Publication number | Publication date |
---|---|
US3803441A (en) | 1974-04-09 |
DE2321516B2 (de) | 1976-01-08 |
JPS495262A (enrdf_load_stackoverflow) | 1974-01-17 |
DE2321516A1 (de) | 1973-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1378733A (en) | Indirectly heated type cathode devices | |
GB568962A (en) | Improvements in or relating to cathodes for electron discharge devices | |
EP4588377A1 (en) | Heating assembly and aerosol generation device | |
GB1439045A (en) | Cermaic discharge lamps | |
US3895249A (en) | Instant warm-up heater cathode | |
US2864028A (en) | Thermionic dispenser cathode | |
US3784862A (en) | Method and apparatus for electron tubes | |
GB820065A (en) | Improvements relating to cathode structures for electric discharge devices | |
GB1056817A (en) | Improvements in and relating to electric discharge lamps | |
US2231610A (en) | Discharge device | |
JPS5451459A (en) | Cathode of electron tube | |
US2197526A (en) | Support for electrodes | |
GB1287930A (enrdf_load_stackoverflow) | ||
US2495580A (en) | Indirectly heated cathode | |
KR910014977A (ko) | 디스펜서형 음극 및 그 제조방법 | |
GB811016A (en) | Activated electrode for electric discharge lamp | |
EP0059491B1 (en) | Oxide cathode | |
US4567071A (en) | Fast-heating cathode | |
JP2663384B2 (ja) | 冷陰極真空管 | |
US2222021A (en) | Oxide cathode | |
GB1295832A (enrdf_load_stackoverflow) | ||
JPS6231938A (ja) | 希ガス封入式放電ランプ | |
JPS58198884A (ja) | サ−ジ吸収素子 | |
GB1109083A (en) | An electron emitter | |
IE37623L (en) | Sintered unitary ceramic body |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PCNP | Patent ceased through non-payment of renewal fee |