DE2715242A1 - Verfahren zum herstellen einer kathode - Google Patents
Verfahren zum herstellen einer kathodeInfo
- Publication number
- DE2715242A1 DE2715242A1 DE19772715242 DE2715242A DE2715242A1 DE 2715242 A1 DE2715242 A1 DE 2715242A1 DE 19772715242 DE19772715242 DE 19772715242 DE 2715242 A DE2715242 A DE 2715242A DE 2715242 A1 DE2715242 A1 DE 2715242A1
- Authority
- DE
- Germany
- Prior art keywords
- tube
- layer
- cathode
- cylindrical body
- emissive
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000000463 material Substances 0.000 claims description 27
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 229910052721 tungsten Inorganic materials 0.000 claims description 21
- 239000010937 tungsten Substances 0.000 claims description 21
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 230000005684 electric field Effects 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 74
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 45
- 229910052759 nickel Inorganic materials 0.000 description 19
- 238000000576 coating method Methods 0.000 description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 12
- 238000001556 precipitation Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 229910015802 BaSr Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- YXVFQADLFFNVDS-UHFFFAOYSA-N diammonium citrate Chemical compound [NH4+].[NH4+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O YXVFQADLFFNVDS-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000006179 pH buffering agent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate 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
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/673,865 US4100449A (en) | 1976-04-05 | 1976-04-05 | Uniform filament and method of making the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2715242A1 true DE2715242A1 (de) | 1977-10-13 |
Family
ID=24704390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772715242 Withdrawn DE2715242A1 (de) | 1976-04-05 | 1977-04-05 | Verfahren zum herstellen einer kathode |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4100449A (enExample) |
| JP (1) | JPS52122457A (enExample) |
| DE (1) | DE2715242A1 (enExample) |
| FR (1) | FR2347771A1 (enExample) |
| GB (1) | GB1575530A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3630224A1 (de) * | 1986-09-05 | 1988-03-17 | Standard Elektrik Lorenz Ag | Verfahren zur herstellung von oxidkathodendraehten durch kataphoretisches beschichten |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487673A (en) * | 1982-04-21 | 1984-12-11 | Rca Corporation | Method of making a line cathode having localized emissive coating |
| US4560897A (en) * | 1983-06-06 | 1985-12-24 | The United States Of America As Represented By The Department Of Energy | Rigid indented cylindrical cathode for X-ray tube |
| JPS61269832A (ja) * | 1984-12-13 | 1986-11-29 | Nec Corp | 蛍光表示管 |
| JPH01279537A (ja) * | 1988-04-30 | 1989-11-09 | Futaba Corp | 傍熱形線状陰極 |
| KR100395380B1 (ko) * | 1995-05-02 | 2003-12-01 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 와이어캐소드상에캐소드물질을침착하기위한장치및와이어캐소드제조방법 |
| US6630774B2 (en) * | 2001-03-21 | 2003-10-07 | Advanced Electron Beams, Inc. | Electron beam emitter |
| KR20070040648A (ko) * | 2005-10-12 | 2007-04-17 | 삼성에스디아이 주식회사 | 열전자 방출 백라이트 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1719988A (en) * | 1923-01-26 | 1929-07-09 | Westinghouse Lamp Co | Electron device and the like adapted for alternating current |
| US2227046A (en) * | 1933-01-31 | 1940-12-31 | Loewe Radio Inc | Electron valve |
| US2321439A (en) * | 1936-09-26 | 1943-06-08 | Hartford Nat Bank & Trust Co | Method of making vitreous coated bodies |
| BE478149A (enExample) * | 1946-11-13 | |||
| US2831140A (en) * | 1953-10-12 | 1958-04-15 | Sylvania Electric Prod | Cataphoretically coated heater insulator assembly |
| US3936532A (en) * | 1974-02-08 | 1976-02-03 | Oregon Graduate Center For Study And Research | Activation of thin wire emitters for field ionization/field desorption mass spectrometry |
-
1976
- 1976-04-05 US US05/673,865 patent/US4100449A/en not_active Expired - Lifetime
-
1977
- 1977-03-31 FR FR7709693A patent/FR2347771A1/fr active Granted
- 1977-04-01 GB GB13822/77A patent/GB1575530A/en not_active Expired
- 1977-04-04 JP JP3894977A patent/JPS52122457A/ja active Granted
- 1977-04-05 DE DE19772715242 patent/DE2715242A1/de not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3630224A1 (de) * | 1986-09-05 | 1988-03-17 | Standard Elektrik Lorenz Ag | Verfahren zur herstellung von oxidkathodendraehten durch kataphoretisches beschichten |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1575530A (en) | 1980-09-24 |
| FR2347771A1 (fr) | 1977-11-04 |
| JPS566621B2 (enExample) | 1981-02-12 |
| US4100449A (en) | 1978-07-11 |
| JPS52122457A (en) | 1977-10-14 |
| FR2347771B1 (enExample) | 1980-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |