CS211375B2 - Reaction cathode - Google Patents
Reaction cathode Download PDFInfo
- Publication number
- CS211375B2 CS211375B2 CS716275A CS716275A CS211375B2 CS 211375 B2 CS211375 B2 CS 211375B2 CS 716275 A CS716275 A CS 716275A CS 716275 A CS716275 A CS 716275A CS 211375 B2 CS211375 B2 CS 211375B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- cathode
- monolayer
- reaction
- compound
- diffusion
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 35
- 239000002356 single layer Substances 0.000 claims abstract description 39
- 238000009792 diffusion process Methods 0.000 claims abstract description 35
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 12
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 8
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 8
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 6
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 230000001737 promoting effect Effects 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 9
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 7
- 229910039444 MoC Inorganic materials 0.000 claims description 6
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims description 2
- 229910003468 tantalcarbide Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 7
- 229910052776 Thorium Inorganic materials 0.000 abstract description 5
- 238000009760 electrical discharge machining Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 229910052721 tungsten Inorganic materials 0.000 abstract description 3
- 239000010406 cathode material Substances 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 abstract 2
- 238000007747 plating Methods 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- -1 molybdenum-platinum-lanthanum-oxide-molybdenum Chemical compound 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- 239000012190 activator Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005324 grain boundary diffusion Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CBPOHXPWQZEPHI-UHFFFAOYSA-N [Mo].[La] Chemical compound [Mo].[La] CBPOHXPWQZEPHI-UHFFFAOYSA-N 0.000 description 1
- BABYXVRSXZSKEF-UHFFFAOYSA-N [W+4].[O-2].[Th+4].[O-2].[O-2].[O-2] Chemical compound [W+4].[O-2].[Th+4].[O-2].[O-2].[O-2] BABYXVRSXZSKEF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- WTDPMEQSZXQVDG-UHFFFAOYSA-N lanthanum platinum Chemical compound [La].[Pt] WTDPMEQSZXQVDG-UHFFFAOYSA-N 0.000 description 1
- SCJGVKYSOPVNSS-UHFFFAOYSA-N lanthanum;oxomolybdenum Chemical compound [La].[Mo]=O SCJGVKYSOPVNSS-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 150000003748 yttrium compounds Chemical class 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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1429574A CH579824A5 (enrdf_load_stackoverflow) | 1974-10-25 | 1974-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS211375B2 true CS211375B2 (en) | 1982-02-26 |
Family
ID=4399626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS716275A CS211375B2 (en) | 1974-10-25 | 1975-10-23 | Reaction cathode |
Country Status (10)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582951A5 (enrdf_load_stackoverflow) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie | |
| CH629033A5 (de) * | 1978-05-05 | 1982-03-31 | Bbc Brown Boveri & Cie | Gluehkathode. |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| FR2498372A1 (fr) * | 1981-01-16 | 1982-07-23 | Thomson Csf | Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode |
| DE3205746A1 (de) * | 1982-02-18 | 1983-08-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Thermionische kathode und verfahren zu ihrer herstellung |
| DE3904552A1 (de) * | 1989-02-15 | 1990-08-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe fuer den betrieb mit wechselstrom |
| IT1250471B (it) * | 1991-02-12 | 1995-04-07 | Jobs Spa | Robot con carrello automotore. |
| DE4114487A1 (de) * | 1991-05-03 | 1992-11-05 | Wilhelm Dr Ing Ziegenbein | Hochleistungs-gluehkathode |
| DE4114856A1 (de) * | 1991-05-07 | 1992-11-12 | Licentia Gmbh | Vorratskathode und verfahren zu deren herstellung |
-
1974
- 1974-10-25 CH CH1429574A patent/CH579824A5/xx not_active IP Right Cessation
- 1974-11-18 DE DE19747438425 patent/DE7438425U/de not_active Expired
- 1974-11-18 DE DE19742454569 patent/DE2454569C3/de not_active Expired
-
1975
- 1975-10-23 SU SU752182653A patent/SU680670A3/ru active
- 1975-10-23 NL NL7512403A patent/NL184984C/xx not_active IP Right Cessation
- 1975-10-23 CS CS716275A patent/CS211375B2/cs unknown
- 1975-10-23 AT AT810575A patent/AT355683B/de active
- 1975-10-23 JP JP50127873A patent/JPS5826607B2/ja not_active Expired
- 1975-10-23 HU HUBO001578 patent/HU177075B/hu not_active IP Right Cessation
- 1975-10-23 FR FR7532516A patent/FR2290025A1/fr active Granted
- 1975-10-23 GB GB4362375A patent/GB1525005A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATA810575A (de) | 1979-08-15 |
| JPS5191659A (enrdf_load_stackoverflow) | 1976-08-11 |
| AT355683B (de) | 1980-03-10 |
| CH579824A5 (enrdf_load_stackoverflow) | 1976-09-15 |
| FR2290025A1 (fr) | 1976-05-28 |
| NL184984C (nl) | 1989-12-18 |
| DE2454569A1 (de) | 1976-04-29 |
| SU680670A3 (ru) | 1979-08-15 |
| DE2454569B2 (de) | 1978-01-19 |
| FR2290025B1 (enrdf_load_stackoverflow) | 1980-01-04 |
| DE7438425U (de) | 1976-09-16 |
| DE2454569C3 (de) | 1978-09-14 |
| GB1525005A (en) | 1978-09-20 |
| HU177075B (en) | 1981-07-28 |
| NL184984B (nl) | 1989-07-17 |
| JPS5826607B2 (ja) | 1983-06-03 |
| NL7512403A (nl) | 1976-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4019081A (en) | Reaction cathode | |
| US4533852A (en) | Method of manufacturing a thermionic cathode and thermionic cathode manufactured by means of said method | |
| US4083811A (en) | Lanthanated thermionic cathodes | |
| US3155864A (en) | Dispenser cathode | |
| JPS58177484A (ja) | デイスペンサ陰極の製造方法 | |
| EP0445956B1 (en) | Electron tube cathode | |
| EP0317002B1 (en) | Scandate cathode | |
| CS211375B2 (en) | Reaction cathode | |
| US4275123A (en) | Hot-cathode material and production thereof | |
| KR19980042827A (ko) | 전자관용 음극 | |
| US4274030A (en) | Thermionic cathode | |
| KR100189035B1 (ko) | 스캔데이트 음극 | |
| CA1101479A (en) | Electron tube cathode and method for producing the same | |
| US5828165A (en) | Thermionic cathode for electron tubes and method for the manufacture thereof | |
| JP4018468B2 (ja) | 陰極およびその製造方法 | |
| EP0157634B1 (en) | Tungsten-iridium impregnated cathode | |
| JPH01267927A (ja) | 固液体マトリック陰極 | |
| EP1063668A2 (en) | Cathode subassembly and color crt equipped therewith | |
| CS208169B2 (cs) | Termická katoda, zejména pro elektronky, a způsob její výroby | |
| JPS58133739A (ja) | 含浸型陰極 | |
| JPH07169384A (ja) | 陰極線管用の含浸型陰極 | |
| KR0147538B1 (ko) | 디스펜서 음극 | |
| JPH01109631A (ja) | 酸化物陰極 | |
| JPH06203738A (ja) | 電子管用カソード | |
| SU620229A3 (ru) | Материал дл металлокерамического катода |