GB828189A - Improvements in or relating to dispenser cathodes - Google Patents
Improvements in or relating to dispenser cathodesInfo
- Publication number
- GB828189A GB828189A GB2317/58A GB231758A GB828189A GB 828189 A GB828189 A GB 828189A GB 2317/58 A GB2317/58 A GB 2317/58A GB 231758 A GB231758 A GB 231758A GB 828189 A GB828189 A GB 828189A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- aluminate
- barium
- porous
- tungsten
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 150000004645 aluminates Chemical class 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052788 barium Inorganic materials 0.000 abstract 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 abstract 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 239000000292 calcium oxide Substances 0.000 abstract 1
- 239000010406 cathode material Substances 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- H01J9/047—Cathodes having impregnated bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2971246X | 1957-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB828189A true GB828189A (en) | 1960-02-17 |
Family
ID=19876537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2317/58A Expired GB828189A (en) | 1957-01-26 | 1958-01-23 | Improvements in or relating to dispenser cathodes |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1223062B (de) | 1964-02-14 | 1966-08-18 | Siemens Ag | Vorratskathode fuer elektrische Entladungsgefaesse und Verfahren zu ihrer Herstellung |
| AU527753B2 (en) * | 1978-09-07 | 1983-03-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Discharge lamp electrode |
| FR2658360B1 (fr) * | 1990-02-09 | 1996-08-14 | Thomson Tubes Electroniques | Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede. |
| RU2351800C1 (ru) * | 2007-08-02 | 2009-04-10 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королева" | Магнитоплазмодинамический двигатель и способ его работы |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1093241A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-02-16 | 1955-05-02 | ||
| NL96853C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-09-24 | |||
| BE561832A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-10-24 |
-
0
- NL NL108501D patent/NL108501C/xx active
- BE BE564257D patent/BE564257A/xx unknown
-
1957
- 1957-12-31 US US706420A patent/US2971246A/en not_active Expired - Lifetime
-
1958
- 1958-01-23 GB GB2317/58A patent/GB828189A/en not_active Expired
- 1958-01-23 DE DEN14598A patent/DE1047322B/de active Pending
- 1958-01-24 FR FR1190424D patent/FR1190424A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE564257A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| NL108501C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US2971246A (en) | 1961-02-14 |
| DE1047322B (de) | 1958-12-24 |
| FR1190424A (fr) | 1959-10-12 |
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