DE1149463B - Kathode einer elektrischen Entladungsroehre, die aussenseitig aus durch Barium aktivierten Erdalkalimetalloxyden besteht - Google Patents
Kathode einer elektrischen Entladungsroehre, die aussenseitig aus durch Barium aktivierten Erdalkalimetalloxyden bestehtInfo
- Publication number
- DE1149463B DE1149463B DEN21292A DEN0021292A DE1149463B DE 1149463 B DE1149463 B DE 1149463B DE N21292 A DEN21292 A DE N21292A DE N0021292 A DEN0021292 A DE N0021292A DE 1149463 B DE1149463 B DE 1149463B
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- barium
- alkaline earth
- layer
- earth metal
- 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.)
- Pending
Links
- 229910052788 barium Inorganic materials 0.000 title claims description 13
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 title claims description 13
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 title claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- -1 titanium hydride Chemical compound 0.000 claims description 4
- 229910000048 titanium hydride Inorganic materials 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical group [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- BCFYIZNSWUFRFT-UHFFFAOYSA-H calcium;strontium;barium(2+);tricarbonate Chemical compound [Ca+2].[Sr+2].[Ba+2].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O BCFYIZNSWUFRFT-UHFFFAOYSA-H 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NEDFZELJKGZAQF-UHFFFAOYSA-J strontium;barium(2+);dicarbonate Chemical compound [Sr+2].[Ba+2].[O-]C([O-])=O.[O-]C([O-])=O NEDFZELJKGZAQF-UHFFFAOYSA-J 0.000 description 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
- H01J1/14—Solid thermionic cathodes characterised by the material
- H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Landscapes
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL262150 | 1961-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1149463B true DE1149463B (de) | 1963-05-30 |
Family
ID=19752920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN21292A Pending DE1149463B (de) | 1961-03-08 | 1962-03-03 | Kathode einer elektrischen Entladungsroehre, die aussenseitig aus durch Barium aktivierten Erdalkalimetalloxyden besteht |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008041443A1 (de) | 2008-08-22 | 2010-02-25 | Robert Bosch Gmbh | Getriebe-Antriebseinheit |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6501944A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1965-02-17 | 1966-08-18 | ||
| US3663857A (en) * | 1969-02-13 | 1972-05-16 | Avco Corp | Electron emitter comprising metal oxide-metal contact interface and method for making the same |
| US3898721A (en) * | 1973-05-18 | 1975-08-12 | Gte Sylvania Inc | Diffusion bonded cathode for electron discharge device |
| US3875629A (en) * | 1973-05-18 | 1975-04-08 | Gte Sylvania Inc | Method of fabricating cathodes for electron discharge devices |
| DE3323473A1 (de) * | 1983-06-29 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | Schnellheizkathode |
| KR100195955B1 (ko) * | 1995-12-20 | 1999-06-15 | 구자홍 | 음극구조체의 구조 및 전자방사체 도포방법 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2950993A (en) * | 1956-04-02 | 1960-08-30 | Rca Corp | Oxide coated cathodes and method of manufacture |
| US3159461A (en) * | 1958-10-20 | 1964-12-01 | Bell Telephone Labor Inc | Thermionic cathode |
| US2945150A (en) * | 1958-12-11 | 1960-07-12 | Gen Electric | Thermionic cathodes and methods of making |
| US2995674A (en) * | 1959-02-27 | 1961-08-08 | Raytheon Co | Impregnated cathodes |
| NL255625A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1959-09-18 |
-
0
- NL NL113461D patent/NL113461C/xx active
-
1962
- 1962-03-03 DE DEN21292A patent/DE1149463B/de active Pending
- 1962-03-05 DK DK101462AA patent/DK106684C/da active
- 1962-03-05 GB GB8435/62A patent/GB994151A/en not_active Expired
- 1962-03-05 CH CH267362A patent/CH412118A/de unknown
- 1962-03-05 SE SE2410/62A patent/SE306579B/xx unknown
- 1962-03-06 ES ES0275203A patent/ES275203A1/es not_active Expired
-
1964
- 1964-12-12 OA OA50814A patent/OA00735A/xx unknown
-
1965
- 1965-06-03 US US464598A patent/US3333141A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008041443A1 (de) | 2008-08-22 | 2010-02-25 | Robert Bosch Gmbh | Getriebe-Antriebseinheit |
| WO2010020483A1 (de) | 2008-08-22 | 2010-02-25 | Robert Bosch Gmbh | Getriebe-antriebseinheit |
Also Published As
| Publication number | Publication date |
|---|---|
| SE306579B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-12-02 |
| CH412118A (de) | 1966-04-30 |
| OA00735A (fr) | 1967-07-15 |
| US3333141A (en) | 1967-07-25 |
| GB994151A (en) | 1965-06-02 |
| DK106684C (da) | 1967-03-06 |
| ES275203A1 (es) | 1962-05-01 |
| NL113461C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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