KR890004453A - 초전도 세라믹의 제조방법 - Google Patents
초전도 세라믹의 제조방법 Download PDFInfo
- Publication number
- KR890004453A KR890004453A KR1019880011069A KR880011069A KR890004453A KR 890004453 A KR890004453 A KR 890004453A KR 1019880011069 A KR1019880011069 A KR 1019880011069A KR 880011069 A KR880011069 A KR 880011069A KR 890004453 A KR890004453 A KR 890004453A
- Authority
- KR
- South Korea
- Prior art keywords
- partial pressure
- oxygen partial
- superconducting ceramic
- producing
- atmospheres
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title claims 4
- 238000004519 manufacturing process Methods 0.000 title claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 6
- 229910052760 oxygen Inorganic materials 0.000 claims 6
- 239000001301 oxygen Substances 0.000 claims 6
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
Classifications
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
-
- 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
-
- 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
- H10N60/0661—Processes performed after copper oxide formation, e.g. patterning
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (3)
- Y를 포함하는 희토류원소, 알칼리토류금속, Cu 및 산소로부터 이루어진 페로브스카이트구조를 가지는 화합분말을 프레스하여 압분체로 하고, 상기한 압분체를 산소분압 : 0.2기압미만의 낮은 산소분압분위기하에서 소결하고 이어 산소분압 : 1기압을 초과한 높은 산소분압분위기하에서 열처리하는 것을 특징으로 하는 초전도 세라믹의 제조방법.
- 제1항에 있어서, 상기한 소결시의 낮은 산소분압은 바람직하기로는 10-2∼10-10기압으로 되어 있는 것을 특징으로 하는 초전도 세라믹의 제조방법.
- 제1항에 있어서, 상기한 열처리시의 높은 산소분압은 바람직하기로는 2∼10기압으로 되어 있는 것을 특징으로 하는 초전도 세라믹의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP?62-217191 | 1987-08-31 | ||
| JP???62-217191 | 1987-08-31 | ||
| JP62217191A JPS6461345A (en) | 1987-08-31 | 1987-08-31 | Burning of superconducting ceramic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890004453A true KR890004453A (ko) | 1989-04-22 |
| KR940007596B1 KR940007596B1 (ko) | 1994-08-20 |
Family
ID=16700283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880011069A KR940007596B1 (ko) | 1987-08-31 | 1988-08-30 | 초전도 세라믹의 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0334961B1 (ko) |
| JP (1) | JPS6461345A (ko) |
| KR (1) | KR940007596B1 (ko) |
| DE (1) | DE3878451T2 (ko) |
| WO (1) | WO1989001924A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU589068B2 (en) * | 1987-08-10 | 1989-09-28 | Furukawa Electric Co. Ltd., The | Method of manufacturing oxide superconductor, and method of manufacturing composite oxide powder which is the precursor of the oxide superconductor |
| CA2071923A1 (en) * | 1990-08-28 | 1992-03-01 | Jaak S. Van Den Sype | Fabrication of superconducting metal-oxide textiles |
-
1987
- 1987-08-31 JP JP62217191A patent/JPS6461345A/ja active Pending
-
1988
- 1988-08-30 KR KR1019880011069A patent/KR940007596B1/ko not_active IP Right Cessation
- 1988-08-31 WO PCT/JP1988/000871 patent/WO1989001924A1/en active IP Right Grant
- 1988-08-31 EP EP88907794A patent/EP0334961B1/en not_active Expired - Lifetime
- 1988-08-31 DE DE8888907794T patent/DE3878451T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0334961B1 (en) | 1993-02-10 |
| EP0334961A1 (en) | 1989-10-04 |
| KR940007596B1 (ko) | 1994-08-20 |
| DE3878451T2 (de) | 1993-09-09 |
| WO1989001924A1 (en) | 1989-03-09 |
| JPS6461345A (en) | 1989-03-08 |
| DE3878451D1 (de) | 1993-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| LAPS | Lapse due to unpaid annual fee |