DE1238577B - Gluehfaden fuer indirekt geheizte Kathoden fuer Elektronenroehren - Google Patents
Gluehfaden fuer indirekt geheizte Kathoden fuer ElektronenroehrenInfo
- Publication number
- DE1238577B DE1238577B DEN24385A DEN0024385A DE1238577B DE 1238577 B DE1238577 B DE 1238577B DE N24385 A DEN24385 A DE N24385A DE N0024385 A DEN0024385 A DE N0024385A DE 1238577 B DE1238577 B DE 1238577B
- Authority
- DE
- Germany
- Prior art keywords
- aluminum oxide
- filament
- layer
- hydride
- oxide layer
- 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
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 24
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 15
- 150000004678 hydrides Chemical class 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000001962 electrophoresis Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- QSGNKXDSTRDWKA-UHFFFAOYSA-N zirconium dihydride Chemical compound [ZrH2] QSGNKXDSTRDWKA-UHFFFAOYSA-N 0.000 claims description 3
- 229910000568 zirconium hydride Inorganic materials 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 229910000048 titanium hydride Inorganic materials 0.000 claims 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 3
- 238000005507 spraying Methods 0.000 claims 3
- -1 titanium hydride Chemical compound 0.000 claims 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 2
- 241000282461 Canis lupus Species 0.000 claims 1
- 239000000020 Nitrocellulose Substances 0.000 claims 1
- 230000002542 deteriorative effect Effects 0.000 claims 1
- 229920001220 nitrocellulos Polymers 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 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
- H01J1/20—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2942—Plural coatings
- Y10T428/2949—Glass, ceramic or metal oxide in coating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR923898A FR1355710A (fr) | 1963-02-06 | 1963-02-06 | Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1238577B true DE1238577B (de) | 1967-04-13 |
Family
ID=8796424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN24385A Pending DE1238577B (de) | 1963-02-06 | 1964-02-01 | Gluehfaden fuer indirekt geheizte Kathoden fuer Elektronenroehren |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3418164A (en, 2012) |
| AT (1) | AT246866B (en, 2012) |
| BE (1) | BE643361A (en, 2012) |
| CH (1) | CH440465A (en, 2012) |
| DE (1) | DE1238577B (en, 2012) |
| FR (1) | FR1355710A (en, 2012) |
| GB (1) | GB1037560A (en, 2012) |
| LU (1) | LU44927A1 (en, 2012) |
| NL (1) | NL6400777A (en, 2012) |
| SE (1) | SE302332B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798058A (en) * | 1967-06-19 | 1974-03-19 | V Chiola | Refractory metal phosphate and phosphide coatings for refractory metal leads and process for producing metal phosphides |
| IT1173866B (it) * | 1984-03-16 | 1987-06-24 | Getters Spa | Metodo perfezionato per fabbricare dispositivi getter non evarobili porosi e dispositivi getter cosi' prodotti |
| US7578469B2 (en) * | 2004-05-17 | 2009-08-25 | The Boeing Company | Terminal docking port for an operational ground support system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1296399A (fr) * | 1960-08-19 | 1962-06-15 | Rca Corp | Filament de chauffage de cathode pour tubes électroniques |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL41681C (en, 2012) * | 1931-10-22 | |||
| US2798010A (en) * | 1955-05-23 | 1957-07-02 | Sylvania Electric Prod | Method of manufacturing indirectly heated cathodes |
| GB891705A (en) * | 1957-06-06 | 1962-03-14 | Emi Ltd | An improved method of forming an adherent layer on a ceramic material |
| US3029360A (en) * | 1958-04-29 | 1962-04-10 | Rca Corp | Heater wire coating process |
| NL268393A (en, 2012) * | 1960-08-19 | |||
| NL269971A (en, 2012) * | 1960-10-18 | |||
| US3161540A (en) * | 1962-06-20 | 1964-12-15 | Sylvania Electric Prod | Process of manufacturing insulated heater wire and article |
-
1963
- 1963-02-06 FR FR923898A patent/FR1355710A/fr not_active Expired
- 1963-12-03 LU LU44927D patent/LU44927A1/xx unknown
-
1964
- 1964-01-31 NL NL6400777A patent/NL6400777A/xx unknown
- 1964-02-01 DE DEN24385A patent/DE1238577B/de active Pending
- 1964-02-03 SE SE1299/64A patent/SE302332B/xx unknown
- 1964-02-03 CH CH120864A patent/CH440465A/de unknown
- 1964-02-03 GB GB4462/64A patent/GB1037560A/en not_active Expired
- 1964-02-03 AT AT83964A patent/AT246866B/de active
- 1964-02-04 BE BE643361A patent/BE643361A/xx unknown
-
1968
- 1968-01-19 US US699272A patent/US3418164A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1296399A (fr) * | 1960-08-19 | 1962-06-15 | Rca Corp | Filament de chauffage de cathode pour tubes électroniques |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1355710A (fr) | 1964-03-20 |
| GB1037560A (en) | 1966-07-27 |
| SE302332B (en, 2012) | 1968-07-15 |
| LU44927A1 (en, 2012) | 1964-02-03 |
| NL6400777A (en, 2012) | 1964-08-07 |
| CH440465A (de) | 1967-07-31 |
| BE643361A (en, 2012) | 1964-08-04 |
| US3418164A (en) | 1968-12-24 |
| AT246866B (de) | 1966-05-10 |
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