DE1240998B - Kathodenheizer fuer Elektronenroehren - Google Patents
Kathodenheizer fuer ElektronenroehrenInfo
- Publication number
- DE1240998B DE1240998B DET20889A DET0020889A DE1240998B DE 1240998 B DE1240998 B DE 1240998B DE T20889 A DET20889 A DE T20889A DE T0020889 A DET0020889 A DE T0020889A DE 1240998 B DE1240998 B DE 1240998B
- Authority
- DE
- Germany
- Prior art keywords
- outer layer
- tungsten
- oxides
- oxide
- molybdenum
- 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 17
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 239000010937 tungsten Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 7
- 229910052750 molybdenum Inorganic materials 0.000 claims 7
- 239000011733 molybdenum Substances 0.000 claims 7
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910052776 Thorium Inorganic materials 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052770 Uranium Inorganic materials 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 229910052735 hafnium Inorganic materials 0.000 claims 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 239000010955 niobium Substances 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 2
- JVPGYYNQTPWXGE-UHFFFAOYSA-N 2-(4-methylphenyl)-1,3-benzothiazole Chemical compound C1=CC(C)=CC=C1C1=NC2=CC=CC=C2S1 JVPGYYNQTPWXGE-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 230000002035 prolonged effect Effects 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)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS622560 | 1960-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1240998B true DE1240998B (de) | 1967-05-24 |
Family
ID=5408774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DET20889A Pending DE1240998B (de) | 1960-10-18 | 1961-10-04 | Kathodenheizer fuer Elektronenroehren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3134691A (enrdf_load_stackoverflow) |
| DE (1) | DE1240998B (enrdf_load_stackoverflow) |
| FR (1) | FR1303897A (enrdf_load_stackoverflow) |
| GB (1) | GB966377A (enrdf_load_stackoverflow) |
| NL (1) | NL269971A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1281039B (de) * | 1963-09-25 | 1968-10-24 | Telefunken Patent | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1355710A (fr) * | 1963-02-06 | 1964-03-20 | Radiotechnique | Perfectionnement aux filaments de chauffage de cathodes pour tubes électroniques |
| US3370978A (en) * | 1964-02-26 | 1968-02-27 | Sperry Rand Corp | Method of stabilizing tunneling insulator films |
| US4176293A (en) * | 1978-02-17 | 1979-11-27 | Varian Associates, Inc. | Thermionic cathode heater having reduced magnetic field |
| DE4420607A1 (de) * | 1994-06-13 | 1995-12-14 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Glühlampe und Leuchtkörper für Glühlampen |
| US8215002B2 (en) * | 2007-09-29 | 2012-07-10 | Osram Sylvania Inc. | Method of making a lamp coil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE705766C (de) * | 1933-11-25 | 1941-05-09 | Rca Corp | Verfahren zur Herstellung von Heizkoerpern fuer mittelbar geheizte Kathoden aus einem durktilen, schwer schmelzenden Metall |
| FR1220678A (fr) * | 1958-04-29 | 1960-05-27 | Rca Corp | Procédé de revêtement de filaments chauffants |
| DE1090774B (de) | 1959-03-20 | 1960-10-13 | Siemens Ag | Heizelement fuer mittelbar geheizte Kathoden und Verfahren zur Herstellung eines Isolierueberzuges |
| DE1141388B (de) | 1960-08-19 | 1962-12-20 | Rca Corp | Kathodenheizer fuer Elektronenroehren |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US212860A (en) * | 1879-03-04 | Improvement in electric lights | ||
| NL23762C (enrdf_load_stackoverflow) * | 1928-04-13 | |||
| US2128270A (en) * | 1928-04-30 | 1938-08-30 | Hans J Spanner | Lighting device |
| GB684141A (en) * | 1950-03-29 | 1952-12-10 | Loewe Opta Ag | Method for applying insulating coatings to metallic conductive wires employed for heating |
| US2734857A (en) * | 1951-10-11 | 1956-02-14 | snyder | |
| US2985548A (en) * | 1957-12-26 | 1961-05-23 | Sylvania Electric Prod | Method of making a low density coating for an electron discharge device |
| US3041210A (en) * | 1959-12-02 | 1962-06-26 | Tung Sol Electric Inc | Method of making cold cathodes for vacuum tubes and article |
-
0
- NL NL269971D patent/NL269971A/xx unknown
-
1961
- 1961-10-03 US US142508A patent/US3134691A/en not_active Expired - Lifetime
- 1961-10-04 DE DET20889A patent/DE1240998B/de active Pending
- 1961-10-09 GB GB36179/61A patent/GB966377A/en not_active Expired
- 1961-10-17 FR FR876207A patent/FR1303897A/fr not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE705766C (de) * | 1933-11-25 | 1941-05-09 | Rca Corp | Verfahren zur Herstellung von Heizkoerpern fuer mittelbar geheizte Kathoden aus einem durktilen, schwer schmelzenden Metall |
| FR1220678A (fr) * | 1958-04-29 | 1960-05-27 | Rca Corp | Procédé de revêtement de filaments chauffants |
| DE1090774B (de) | 1959-03-20 | 1960-10-13 | Siemens Ag | Heizelement fuer mittelbar geheizte Kathoden und Verfahren zur Herstellung eines Isolierueberzuges |
| DE1141388B (de) | 1960-08-19 | 1962-12-20 | Rca Corp | Kathodenheizer fuer Elektronenroehren |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1281039B (de) * | 1963-09-25 | 1968-10-24 | Telefunken Patent | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer Elektronenroehren |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1303897A (fr) | 1962-09-14 |
| GB966377A (en) | 1964-08-12 |
| US3134691A (en) | 1964-05-26 |
| NL269971A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2419175A1 (de) | Verfahren zum herstellen eines faserverstaerkten silizium-verbundartikels | |
| DE2658647A1 (de) | Kermet und verfahren zu seiner herstellung | |
| DE1240998B (de) | Kathodenheizer fuer Elektronenroehren | |
| DE3701212A1 (de) | Wolfram-elektrodenwerkstoff | |
| EP3436261B1 (de) | Verfahren zur herstellung eines keramischen isolators | |
| DE813573C (de) | Kathode, deren Emissionseigenschaften durch Thoriumoxyd bedingt werden | |
| DE1170748B (de) | Verfahren zum UEberziehen eines Molybdaen-drahtes mit einer Kohlenstoffschicht durchthermische Zersetzung fluechtiger Verbindungen | |
| DE1090774B (de) | Heizelement fuer mittelbar geheizte Kathoden und Verfahren zur Herstellung eines Isolierueberzuges | |
| DE2849606C3 (de) | Basismetallplattenmaterial für direkt erhitzte Oxidkathoden | |
| DE895479C (de) | Kathode fuer elektrische Entladungsgefaesse | |
| DE1771189B1 (de) | Hermetisch verschlossener Akkumulator mit mindestens einer Hilfselektrode und mindestens einer Spannungsregelungsvorrichtung,die zwischen die Hilfselektrode und entweder die positive oder die negative Elektrode geschaltet ist | |
| DE2933255A1 (de) | Keramisches material fuer die kathode einer elektronen-kanone | |
| DE623235C (de) | Widerstandskoerper mit negativem Temperaturkoeffizienten des elektrischen Widerstandes | |
| DE2126340B2 (de) | Mit elektroden versehener dickschichtwiderstand | |
| DE973643C (de) | Verfahren zur Herstellung von leitenden oder halbleitenden Belaegen auf keramischen Isolierkoerpern | |
| DE19935271A1 (de) | Matrixmaterial für Brennstoffzellen sowie Verfahren zu seiner Herstellung | |
| DE1297899B (de) | Verfahren zur Stabilisierung einer Thermionenquelle und auf diesem Prinzip beruhendeThermionenquelle | |
| DE1261437B (de) | Verfahren zum Herstellen eines halbleitenden Widerstandsmaterials und aus diesem Material hergestellter Halbleiterwiderstand | |
| DE1133835B (de) | Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre | |
| DE2543079A1 (de) | Verfahren zum herstellen von festkoerperkondensatoren | |
| DE869719C (de) | Verfahren zum UEberziehen von Metalloberflaechen mit Zirkonschichten | |
| DE1281038B (de) | Verfahren zur Herstellung einer mittelbar geheizten Kathode fuer eine elektrische Entladungsroehre | |
| DE3149696C2 (de) | Gitter für Leistungselektronenröhren | |
| DE1771970B2 (de) | Verfahren zur Herstellung von hitzebestandigen, kohlenstoffhaltigen Korpern | |
| DE1181822B (de) | Verfahren zur Herstellung von Selen-gleichrichtern |