DE1043519B - Kathodenroehre fuer eine elektrische Entladungsroehre - Google Patents
Kathodenroehre fuer eine elektrische EntladungsroehreInfo
- Publication number
- DE1043519B DE1043519B DEN9761A DEN0009761A DE1043519B DE 1043519 B DE1043519 B DE 1043519B DE N9761 A DEN9761 A DE N9761A DE N0009761 A DEN0009761 A DE N0009761A DE 1043519 B DE1043519 B DE 1043519B
- Authority
- DE
- Germany
- Prior art keywords
- compounds
- barium
- alkaline earth
- basic
- refractory 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
- 239000003870 refractory metal Substances 0.000 claims description 49
- 229910052788 barium Inorganic materials 0.000 claims description 45
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 45
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 claims description 27
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 18
- 229910052721 tungsten Inorganic materials 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052916 barium silicate Inorganic materials 0.000 claims description 11
- HMOQPOVBDRFNIU-UHFFFAOYSA-N barium(2+);dioxido(oxo)silane Chemical compound [Ba+2].[O-][Si]([O-])=O HMOQPOVBDRFNIU-UHFFFAOYSA-N 0.000 claims description 11
- FZTPSPNAZCIDGO-UHFFFAOYSA-N barium(2+);silicate Chemical compound [Ba+2].[Ba+2].[O-][Si]([O-])([O-])[O-] FZTPSPNAZCIDGO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052735 hafnium Inorganic materials 0.000 claims description 11
- -1 monobarium aluminate Chemical class 0.000 claims description 11
- 239000010955 niobium Substances 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 9
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 6
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 claims description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910001029 Hf alloy Inorganic materials 0.000 claims 6
- 229910001093 Zr alloy Inorganic materials 0.000 claims 6
- 229910001257 Nb alloy Inorganic materials 0.000 claims 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 4
- 229910001362 Ta alloys Inorganic materials 0.000 claims 3
- HAWOWGSQUYVHKC-UHFFFAOYSA-N [Hf].[Mo] Chemical compound [Hf].[Mo] HAWOWGSQUYVHKC-UHFFFAOYSA-N 0.000 claims 3
- MGPRQEHECDTSNH-UHFFFAOYSA-N [W].[Hf] Chemical compound [W].[Hf] MGPRQEHECDTSNH-UHFFFAOYSA-N 0.000 claims 3
- DTSBBUTWIOVIBV-UHFFFAOYSA-N molybdenum niobium Chemical compound [Nb].[Mo] DTSBBUTWIOVIBV-UHFFFAOYSA-N 0.000 claims 3
- JZLMRQMUNCKZTP-UHFFFAOYSA-N molybdenum tantalum Chemical compound [Mo].[Ta] JZLMRQMUNCKZTP-UHFFFAOYSA-N 0.000 claims 3
- KVMWOOXRTBUMIS-UHFFFAOYSA-N molybdenum zirconium Chemical compound [Zr].[Mo].[Mo] KVMWOOXRTBUMIS-UHFFFAOYSA-N 0.000 claims 3
- OJYBUGUSFDKJEX-UHFFFAOYSA-N tungsten zirconium Chemical compound [Zr].[W].[W] OJYBUGUSFDKJEX-UHFFFAOYSA-N 0.000 claims 3
- 229910001080 W alloy Inorganic materials 0.000 claims 2
- 229910052845 zircon Inorganic materials 0.000 claims 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims 2
- GAYPVYLCOOFYAP-UHFFFAOYSA-N [Nb].[W] Chemical compound [Nb].[W] GAYPVYLCOOFYAP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000002381 testicular Effects 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001883 metal evaporation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization 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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Landscapes
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US345392XA | 1953-11-18 | 1953-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1043519B true DE1043519B (de) | 1958-11-13 |
Family
ID=21877047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN9761A Pending DE1043519B (de) | 1953-11-18 | 1954-11-15 | Kathodenroehre fuer eine elektrische Entladungsroehre |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2899592A (en, 2012) |
| BE (1) | BE533455A (en, 2012) |
| CH (1) | CH345392A (en, 2012) |
| DE (1) | DE1043519B (en, 2012) |
| FR (1) | FR1113555A (en, 2012) |
| GB (1) | GB777142A (en, 2012) |
| NL (1) | NL97571C (en, 2012) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL261666A (en, 2012) * | 1960-02-25 | |||
| US3558966A (en) * | 1967-03-01 | 1971-01-26 | Semicon Associates Inc | Directly heated dispenser cathode |
| US3693007A (en) * | 1970-05-25 | 1972-09-19 | Egyesuelt Izzolampa | Oxide cathode for an electric discharge device |
| US4417173A (en) * | 1980-12-09 | 1983-11-22 | E M I-Varian Limited | Thermionic electron emitters and methods of making them |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707255C (de) * | 1936-09-21 | 1941-06-17 | Siemens Schuckertwerke Akt Ges | Gluehkathode hoher Leistung, insbesondere fuer gas- oder dampfgefuellte Entladungsgefaese |
| CH272699A (de) * | 1947-11-26 | 1950-12-31 | Philips Nv | Elektrische Entladungsröhre mit einer Kathode, welche mit einem Vorrat emittierender Verbindungen versehen ist. |
| DE837273C (de) * | 1949-10-25 | 1952-04-21 | Philips Nv | Verfahren zur Herstellung einer innen mit einem Vorrat an Erdalkalimetallverbindungen versehenen Kathode fuer eine elektrische Entladungsroehre |
| DE895479C (de) * | 1951-11-20 | 1953-11-02 | Siemens Ag | Kathode fuer elektrische Entladungsgefaesse |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1954474A (en) * | 1927-05-20 | 1934-04-10 | Espe Werner | Glow cathode |
| US2085605A (en) * | 1934-05-11 | 1937-06-29 | Gen Electric | Thermionic cathode for electric discharge devices |
| US2121589A (en) * | 1934-06-28 | 1938-06-21 | Westinghouse Electric & Mfg Co | Emissive incandescent cathode |
| US2147447A (en) * | 1936-09-21 | 1939-02-14 | Siemens Ag | Glow cathode |
| US2180988A (en) * | 1937-06-16 | 1939-11-21 | Gen Electric | Electrode for electric discharge devices |
| US2389060A (en) * | 1943-08-13 | 1945-11-13 | Callite Tungsten Corp | Refractory body of high electronic emission |
| US2473550A (en) * | 1947-08-19 | 1949-06-21 | Raytheon Mfg Co | Directly heated cathode |
| US2741717A (en) * | 1951-06-14 | 1956-04-10 | Siemens Ag | Dispenser type cathode having gettercoated parts |
| NL91131C (en, 2012) * | 1951-11-29 | |||
| NL91132C (en, 2012) * | 1951-11-29 | |||
| NL96177C (en, 2012) * | 1952-02-27 |
-
0
- US US2899592D patent/US2899592A/en not_active Expired - Lifetime
- NL NL97571D patent/NL97571C/xx active
- BE BE533455D patent/BE533455A/xx unknown
-
1954
- 1954-11-15 DE DEN9761A patent/DE1043519B/de active Pending
- 1954-11-16 GB GB33173/54A patent/GB777142A/en not_active Expired
- 1954-11-16 CH CH345392D patent/CH345392A/de unknown
- 1954-11-18 FR FR1113555D patent/FR1113555A/fr not_active Expired
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707255C (de) * | 1936-09-21 | 1941-06-17 | Siemens Schuckertwerke Akt Ges | Gluehkathode hoher Leistung, insbesondere fuer gas- oder dampfgefuellte Entladungsgefaese |
| CH272699A (de) * | 1947-11-26 | 1950-12-31 | Philips Nv | Elektrische Entladungsröhre mit einer Kathode, welche mit einem Vorrat emittierender Verbindungen versehen ist. |
| CH274441A (de) * | 1947-11-26 | 1951-03-31 | Philips Nv | Elektrische Entladungsröhre mit einer Kathode, welche mit einem Vorrat emittierender Verbindungen versehen ist. |
| CH274440A (de) * | 1947-11-26 | 1951-03-31 | Philips Nv | Elektrische Entladungsröhre mit einer Kathode, welche mit einem Vorrat emittierender Verbindungen versehen ist. |
| DE837273C (de) * | 1949-10-25 | 1952-04-21 | Philips Nv | Verfahren zur Herstellung einer innen mit einem Vorrat an Erdalkalimetallverbindungen versehenen Kathode fuer eine elektrische Entladungsroehre |
| DE895479C (de) * | 1951-11-20 | 1953-11-02 | Siemens Ag | Kathode fuer elektrische Entladungsgefaesse |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1113555A (fr) | 1956-03-30 |
| BE533455A (en, 2012) | |
| US2899592A (en) | 1959-08-11 |
| NL97571C (en, 2012) | |
| GB777142A (en) | 1957-06-19 |
| CH345392A (de) | 1960-03-31 |
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