DE69313845T2 - Oxydkathode für Elektronenröhre - Google Patents
Oxydkathode für ElektronenröhreInfo
- Publication number
- DE69313845T2 DE69313845T2 DE1993613845 DE69313845T DE69313845T2 DE 69313845 T2 DE69313845 T2 DE 69313845T2 DE 1993613845 DE1993613845 DE 1993613845 DE 69313845 T DE69313845 T DE 69313845T DE 69313845 T2 DE69313845 T2 DE 69313845T2
- Authority
- DE
- Germany
- Prior art keywords
- oxide
- electron
- emitting material
- cathode
- metal base
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 50
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 19
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 17
- 229910003451 terbium oxide Inorganic materials 0.000 claims description 15
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 12
- 229910052788 barium Inorganic materials 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 20
- 238000000034 method Methods 0.000 description 11
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 9
- 229910052712 strontium Inorganic materials 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 8
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 239000011777 magnesium Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- -1 alkaline earth metal carbonate Chemical class 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 238000001994 activation Methods 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Inorganic materials [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 150000002604 lanthanum compounds Chemical class 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Inorganic materials [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 2
- 150000003502 terbium compounds Chemical class 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910002335 LaNi5 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 101150018444 sub2 gene Proteins 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 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
- H01J1/144—Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR930016231 | 1993-08-20 | ||
| KR1019930021670A KR950006911A (ko) | 1993-08-20 | 1993-10-19 | 전자관용 산화물 음극 |
| KR930022124 | 1993-10-23 | ||
| KR1019930022490A KR100271484B1 (ko) | 1993-10-23 | 1993-10-27 | 산화물 음극 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69313845D1 DE69313845D1 (de) | 1997-10-16 |
| DE69313845T2 true DE69313845T2 (de) | 1998-04-02 |
Family
ID=27483006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1993613845 Expired - Fee Related DE69313845T2 (de) | 1993-08-20 | 1993-12-13 | Oxydkathode für Elektronenröhre |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0639848B1 (enExample) |
| JP (1) | JPH0765692A (enExample) |
| CN (1) | CN1061462C (enExample) |
| DE (1) | DE69313845T2 (enExample) |
| SG (1) | SG44617A1 (enExample) |
| TW (1) | TW259877B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100200661B1 (ko) * | 1994-10-12 | 1999-06-15 | 손욱 | 전자관용 음극 |
| DE50112861D1 (de) * | 2000-09-19 | 2007-09-27 | Philips Intellectual Property | Oxidkathode |
| JP2007305438A (ja) * | 2006-05-12 | 2007-11-22 | New Japan Radio Co Ltd | 酸化物陰極及びその製造方法並びにそれに用いる酸化物陰極用炭酸塩の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB182817A (en) * | 1921-07-11 | 1923-08-09 | Drahtlose Telegraphie Gmbh | Improvements in the cathodes of electric discharge tubes |
| US1794298A (en) * | 1926-09-21 | 1931-02-24 | Gen Electric | Thermionic cathode |
| CA1270890A (en) * | 1985-07-19 | 1990-06-26 | Keiji Watanabe | Cathode for electron tube |
-
1993
- 1993-12-13 DE DE1993613845 patent/DE69313845T2/de not_active Expired - Fee Related
- 1993-12-13 SG SG1996004185A patent/SG44617A1/en unknown
- 1993-12-13 EP EP19930310036 patent/EP0639848B1/en not_active Expired - Lifetime
- 1993-12-24 TW TW82110980A patent/TW259877B/zh active
- 1993-12-29 CN CN93121498A patent/CN1061462C/zh not_active Expired - Fee Related
-
1994
- 1994-04-13 JP JP7484094A patent/JPH0765692A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SG44617A1 (en) | 1997-12-19 |
| EP0639848A1 (en) | 1995-02-22 |
| JPH0765692A (ja) | 1995-03-10 |
| TW259877B (enExample) | 1995-10-11 |
| DE69313845D1 (de) | 1997-10-16 |
| EP0639848B1 (en) | 1997-09-10 |
| CN1061462C (zh) | 2001-01-31 |
| CN1099185A (zh) | 1995-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |