KR890702262A - 90k 초전도체의 개선된 제조방법 - Google Patents
90k 초전도체의 개선된 제조방법Info
- Publication number
- KR890702262A KR890702262A KR1019890700228A KR890700228A KR890702262A KR 890702262 A KR890702262 A KR 890702262A KR 1019890700228 A KR1019890700228 A KR 1019890700228A KR 890700228 A KR890700228 A KR 890700228A KR 890702262 A KR890702262 A KR 890702262A
- Authority
- KR
- South Korea
- Prior art keywords
- molded article
- made according
- powder
- article made
- mba
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000002887 superconductor Substances 0.000 title 1
- 238000000034 method Methods 0.000 claims 25
- 239000000843 powder Substances 0.000 claims 12
- 239000002243 precursor Substances 0.000 claims 8
- 239000000243 solution Substances 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 3
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 2
- 229960002303 citric acid monohydrate Drugs 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 238000001694 spray drying Methods 0.000 claims 2
- 229910052692 Dysprosium Inorganic materials 0.000 claims 1
- 229910052691 Erbium Inorganic materials 0.000 claims 1
- 229910052693 Europium Inorganic materials 0.000 claims 1
- 229910052688 Gadolinium Inorganic materials 0.000 claims 1
- 229910052689 Holmium Inorganic materials 0.000 claims 1
- 229910052765 Lutetium Inorganic materials 0.000 claims 1
- 229910052779 Neodymium Inorganic materials 0.000 claims 1
- 229910052772 Samarium Inorganic materials 0.000 claims 1
- 229910052775 Thulium Inorganic materials 0.000 claims 1
- 229910052769 Ytterbium Inorganic materials 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 229910052727 yttrium Inorganic materials 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4504—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing rare earth oxides
- C04B35/4508—Type 1-2-3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/006—Compounds containing, besides copper, two or more other elements, with the exception of oxygen or hydrogen
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5984787A | 1987-06-09 | 1987-06-09 | |
| US059847 | 1987-06-09 | ||
| PCT/US1988/002025 WO1988010515A1 (en) | 1987-06-09 | 1988-06-08 | Improved process for making 90 k superconductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR890702262A true KR890702262A (ko) | 1989-12-23 |
Family
ID=22025666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890700228A KR890702262A (ko) | 1987-06-09 | 1988-06-08 | 90k 초전도체의 개선된 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0366721A4 (ja) |
| JP (1) | JPH02503789A (ja) |
| KR (1) | KR890702262A (ja) |
| AU (1) | AU608886B2 (ja) |
| HU (1) | HUT52646A (ja) |
| WO (1) | WO1988010515A1 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4898851A (en) * | 1987-06-22 | 1990-02-06 | E. I. Du Pont De Nemours And Company | Process for making 90 k superconductors using a spray dried oxalate precursor |
| US4861753A (en) * | 1987-06-22 | 1989-08-29 | E. I. Du Pont De Nemours And Company | Process for making superconductors using barium nitrate |
| BR8804615A (pt) * | 1987-09-11 | 1989-04-18 | Grace W R & Co | Processo de producao de um solido ceramico supercondutor constituido por oxidos metalicos;composicao oxido metalica; e particulas esferoidais |
| US5149682A (en) * | 1987-09-11 | 1992-09-22 | W. R. Grace & Co. -Conn. | Manufacturing method for superconducting ceramics and products thereof |
| US5006504A (en) * | 1989-08-28 | 1991-04-09 | At&T Bell Laboratories | Preparing superconducting ceramic materials |
| IT1248618B (it) * | 1990-08-01 | 1995-01-21 | Sviluppo Materiali Spa | Dispositivo per la produzione in continuo di ceramiche superconduttrici |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330697A (en) * | 1963-08-26 | 1967-07-11 | Sprague Electric Co | Method of preparing lead and alkaline earth titanates and niobates and coating method using the same to form a capacitor |
| US4636378A (en) * | 1985-06-11 | 1987-01-13 | Hughes Aircraft Company | Method of preparation of perovskite-type compounds |
| US4661282A (en) * | 1985-06-24 | 1987-04-28 | The Dow Chemical Company | Inorganic anion exchangers and preparation thereof |
| EP0275343A1 (en) * | 1987-01-23 | 1988-07-27 | International Business Machines Corporation | New superconductive compounds of the K2NiF4 structural type having a high transition temperature, and method for fabricating same |
| NL8701787A (nl) * | 1987-07-29 | 1989-02-16 | Philips Nv | Werkwijze voor het vervaardigen van oxidisch supergeleidend materiaal. |
| BR8804615A (pt) * | 1987-09-11 | 1989-04-18 | Grace W R & Co | Processo de producao de um solido ceramico supercondutor constituido por oxidos metalicos;composicao oxido metalica; e particulas esferoidais |
-
1988
- 1988-06-08 EP EP19880906653 patent/EP0366721A4/en not_active Withdrawn
- 1988-06-08 WO PCT/US1988/002025 patent/WO1988010515A1/en not_active Application Discontinuation
- 1988-06-08 JP JP63506397A patent/JPH02503789A/ja active Pending
- 1988-06-08 KR KR1019890700228A patent/KR890702262A/ko not_active Application Discontinuation
- 1988-06-08 HU HU884759A patent/HUT52646A/hu unknown
- 1988-06-08 AU AU21299/88A patent/AU608886B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02503789A (ja) | 1990-11-08 |
| AU608886B2 (en) | 1991-04-18 |
| WO1988010515A1 (en) | 1988-12-29 |
| AU2129988A (en) | 1989-01-19 |
| EP0366721A1 (en) | 1990-05-09 |
| EP0366721A4 (en) | 1991-04-24 |
| HUT52646A (en) | 1990-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITB | Written withdrawal of application |