JP2006290639A - ビスマス系酸化物超電導体、およびその製造方法 - Google Patents
ビスマス系酸化物超電導体、およびその製造方法 Download PDFInfo
- Publication number
- JP2006290639A JP2006290639A JP2005110157A JP2005110157A JP2006290639A JP 2006290639 A JP2006290639 A JP 2006290639A JP 2005110157 A JP2005110157 A JP 2005110157A JP 2005110157 A JP2005110157 A JP 2005110157A JP 2006290639 A JP2006290639 A JP 2006290639A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- composition
- bismuth
- raw material
- oxide superconductor
- 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.)
- Granted
Links
- 239000002887 superconductor Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 229910000416 bismuth oxide Inorganic materials 0.000 title abstract 3
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 40
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 229910014454 Ca-Cu Inorganic materials 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229910052745 lead Inorganic materials 0.000 claims abstract description 18
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 27
- 239000001301 oxygen Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 14
- 239000011575 calcium Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 229910052712 strontium Inorganic materials 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 4
- 229910004247 CaCu Inorganic materials 0.000 description 3
- 101150027751 Casr gene Proteins 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 description 2
- 229910016315 BiPb Inorganic materials 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229910002480 Cu-O Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910003808 Sr-Cu Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G29/00—Compounds of bismuth
- C01G29/006—Compounds containing, besides bismuth, 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
- H10N60/0801—Manufacture or treatment of filaments or composite wires
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49014—Superconductor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
【解決手段】 本発明は、Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2223組成を有する2223相を含むビスマス系酸化物超電導体の製造方法であって、Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2212組成を有する2212相であって当該2212相の臨界温度が70K以下のものを含む原料を、金属シース中に充填するステップと、前記金属シースに対して、塑性加工および熱処理を施すステップを含む、ビスマス系酸化物超電導体の製造方法を提供する。
【選択図】 なし
Description
Bi2O3、PbO、SrCO3、CaCO3、およびCuOを、Bi:Pb:Sr:Ca:Cu=1.7:0.4:2.0:2.0:3.0になるように配合して、硝酸に溶解した溶液を高温中で噴霧乾燥し、粉末とした。
Claims (6)
- Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2223組成を有する2223相を含むビスマス系酸化物超電導体の製造方法であって、
Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2212組成を有する2212相であって当該2212相の臨界温度が70K以下のものを含む原料を、金属シース中に充填するステップと、
前記金属シースに対して、塑性加工および熱処理を施すステップを含む、ビスマス系酸化物超電導体の製造方法。 - 前記原料中において、Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2223組成を有する2223相がほとんど存在しないことを特徴とする、請求項1に記載のビスマス系酸化物超電導体の製造方法。
- 前記塑性加工および熱処理を施すステップにおいて、金属シース中において、原料の外周部から内周部にかけて、Bi−Sr−Ca−Cuまたは(Bi,Pb)−Sr−Ca−Cuの組成における2223組成を有する2223相が順次生成することを特徴とする、請求項1または2に記載のビスマス系酸化物超電導体の製造方法。
- 前記原料において、超電導体でないものの平均粒径が5μm以下であることを特徴とする、請求項1〜3のいずれかに記載のビスマス系酸化物超電導体の製造方法。
- 請求項1〜4のいずれかに記載のビスマス系酸化物超電導体の製造方法によって製造された超電導線。
- 配向乱れ角度が8.5°以下であることを特徴とする、請求項5に記載の超電導線。
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005110157A JP4706309B2 (ja) | 2005-04-06 | 2005-04-06 | ビスマス系酸化物超伝導体の製造方法および超電導線 |
EP06715431.0A EP1868211B1 (en) | 2005-04-06 | 2006-03-09 | Process for producing bismuth-based oxide superconductor, and superconductive wire |
AU2006238173A AU2006238173A1 (en) | 2005-04-06 | 2006-03-09 | Process for producing bismuth-based oxide superconductor, and superconductive wire |
CN2006800012322A CN101061555B (zh) | 2005-04-06 | 2006-03-09 | 铋基氧化物超导体的制造方法和超导线 |
US11/664,945 US20090018023A1 (en) | 2005-04-06 | 2006-03-09 | Method of manufacturing bismuth-based oxide superconductor and superconducting wire |
KR1020077011870A KR20070118066A (ko) | 2005-04-06 | 2006-03-09 | 비스무트계 산화물 초전도체의 제조방법 및 초전도선 |
PCT/JP2006/304560 WO2006112195A1 (ja) | 2005-04-06 | 2006-03-09 | ビスマス系酸化物超電導体の製造方法および超電導線 |
RU2007140888/09A RU2007140888A (ru) | 2005-04-06 | 2006-03-09 | Способ изготовления оксидного сверхпроводника на основе висмута и сверхпроводящий провод |
MX2007003642A MX2007003642A (es) | 2005-04-06 | 2006-03-09 | Metodo para manufacturar un material superconductor de oxido basado en bismuto y un alambre superconductor. |
NZ553721A NZ553721A (en) | 2005-04-06 | 2006-03-09 | Method of manufacturing bismuth-based oxide superconductor and superconducting wire |
CA002579733A CA2579733A1 (en) | 2005-04-06 | 2006-03-09 | Process for producing bismuth-based oxide superconductor, and superconductive wire |
TW095111865A TW200707470A (en) | 2005-04-06 | 2006-04-04 | Manufacture of bismuth oxide superconducting and the superconducting wire |
NO20075604A NO20075604L (no) | 2005-04-06 | 2007-11-05 | Fremgangsmate for fremstilling av en vismutbasert oksid-superleder og en superledende ledning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005110157A JP4706309B2 (ja) | 2005-04-06 | 2005-04-06 | ビスマス系酸化物超伝導体の製造方法および超電導線 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006290639A true JP2006290639A (ja) | 2006-10-26 |
JP4706309B2 JP4706309B2 (ja) | 2011-06-22 |
Family
ID=37114929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005110157A Active JP4706309B2 (ja) | 2005-04-06 | 2005-04-06 | ビスマス系酸化物超伝導体の製造方法および超電導線 |
Country Status (13)
Country | Link |
---|---|
US (1) | US20090018023A1 (ja) |
EP (1) | EP1868211B1 (ja) |
JP (1) | JP4706309B2 (ja) |
KR (1) | KR20070118066A (ja) |
CN (1) | CN101061555B (ja) |
AU (1) | AU2006238173A1 (ja) |
CA (1) | CA2579733A1 (ja) |
MX (1) | MX2007003642A (ja) |
NO (1) | NO20075604L (ja) |
NZ (1) | NZ553721A (ja) |
RU (1) | RU2007140888A (ja) |
TW (1) | TW200707470A (ja) |
WO (1) | WO2006112195A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008147078A (ja) * | 2006-12-12 | 2008-06-26 | Sumitomo Electric Ind Ltd | 酸化物超電導線材の製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101465178B (zh) * | 2009-01-12 | 2010-10-27 | 重庆大学 | 高性能铋系高温超导带材及其制备方法 |
CN101714429B (zh) * | 2009-12-18 | 2011-06-08 | 西北有色金属研究院 | 一种Bi-2212高温超导线材的制备方法 |
CN107903066A (zh) * | 2017-12-01 | 2018-04-13 | 西南交通大学 | 一种铋硫基超导体及其制备方法 |
CN114068098B (zh) * | 2021-11-30 | 2022-11-29 | 西北有色金属研究院 | 一种显著提高Bi2212超导材料临界电流密度的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04212215A (ja) * | 1990-03-26 | 1992-08-03 | Sumitomo Electric Ind Ltd | ビスマス系酸化物超電導体の製造方法 |
JPH04237910A (ja) * | 1991-01-19 | 1992-08-26 | Sumitomo Electric Ind Ltd | ビスマス系酸化物超電導線材の製造方法 |
JPH09115356A (ja) * | 1995-10-20 | 1997-05-02 | Sumitomo Electric Ind Ltd | テープ状酸化物超電導線材ならびにそれを用いた超電導マグネットおよび電流リード |
WO1999013517A1 (en) * | 1997-09-10 | 1999-03-18 | American Superconductor Corporation | Improved method of forming superconducting composite article |
JP2000200520A (ja) * | 1998-11-06 | 2000-07-18 | Hitachi Cable Ltd | 酸化物超電導線材の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2567505B2 (ja) * | 1990-08-08 | 1996-12-25 | 住友電気工業株式会社 | ビスマス系酸化物超電導体の製造方法 |
CN1048706C (zh) * | 1996-05-21 | 2000-01-26 | 浙江大学 | 单相性Bi2Sr2Ca2Cu3O10+δ高温超导体的分步合成方法 |
US6195870B1 (en) * | 1998-02-13 | 2001-03-06 | The Regents Of The University Of California | Compressive annealing of superconductive tapes |
US6265354B1 (en) * | 2000-09-11 | 2001-07-24 | Hengning Wu | Method of preparing bismuth oxide superconductor |
WO2005001852A1 (ja) * | 2003-06-26 | 2005-01-06 | Sumitomo Electric Industries, Ltd | ビスマス系酸化物超電導線材およびその製造方法 |
-
2005
- 2005-04-06 JP JP2005110157A patent/JP4706309B2/ja active Active
-
2006
- 2006-03-09 CN CN2006800012322A patent/CN101061555B/zh not_active Expired - Fee Related
- 2006-03-09 MX MX2007003642A patent/MX2007003642A/es unknown
- 2006-03-09 WO PCT/JP2006/304560 patent/WO2006112195A1/ja active Application Filing
- 2006-03-09 EP EP06715431.0A patent/EP1868211B1/en not_active Not-in-force
- 2006-03-09 CA CA002579733A patent/CA2579733A1/en not_active Abandoned
- 2006-03-09 NZ NZ553721A patent/NZ553721A/en unknown
- 2006-03-09 KR KR1020077011870A patent/KR20070118066A/ko not_active Application Discontinuation
- 2006-03-09 US US11/664,945 patent/US20090018023A1/en not_active Abandoned
- 2006-03-09 RU RU2007140888/09A patent/RU2007140888A/ru not_active Application Discontinuation
- 2006-03-09 AU AU2006238173A patent/AU2006238173A1/en not_active Abandoned
- 2006-04-04 TW TW095111865A patent/TW200707470A/zh unknown
-
2007
- 2007-11-05 NO NO20075604A patent/NO20075604L/no not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04212215A (ja) * | 1990-03-26 | 1992-08-03 | Sumitomo Electric Ind Ltd | ビスマス系酸化物超電導体の製造方法 |
JPH04237910A (ja) * | 1991-01-19 | 1992-08-26 | Sumitomo Electric Ind Ltd | ビスマス系酸化物超電導線材の製造方法 |
JPH09115356A (ja) * | 1995-10-20 | 1997-05-02 | Sumitomo Electric Ind Ltd | テープ状酸化物超電導線材ならびにそれを用いた超電導マグネットおよび電流リード |
WO1999013517A1 (en) * | 1997-09-10 | 1999-03-18 | American Superconductor Corporation | Improved method of forming superconducting composite article |
JP2000200520A (ja) * | 1998-11-06 | 2000-07-18 | Hitachi Cable Ltd | 酸化物超電導線材の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008147078A (ja) * | 2006-12-12 | 2008-06-26 | Sumitomo Electric Ind Ltd | 酸化物超電導線材の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1868211B1 (en) | 2018-01-10 |
WO2006112195A1 (ja) | 2006-10-26 |
TW200707470A (en) | 2007-02-16 |
NZ553721A (en) | 2009-12-24 |
CN101061555B (zh) | 2011-01-05 |
NO20075604L (no) | 2007-11-05 |
JP4706309B2 (ja) | 2011-06-22 |
EP1868211A4 (en) | 2010-12-29 |
CN101061555A (zh) | 2007-10-24 |
MX2007003642A (es) | 2007-05-24 |
KR20070118066A (ko) | 2007-12-13 |
AU2006238173A1 (en) | 2006-10-26 |
CA2579733A1 (en) | 2006-10-26 |
RU2007140888A (ru) | 2009-05-20 |
EP1868211A1 (en) | 2007-12-19 |
US20090018023A1 (en) | 2009-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4706309B2 (ja) | ビスマス系酸化物超伝導体の製造方法および超電導線 | |
JP2721189B2 (ja) | 酸化物超電導体の製造方法及び酸化物超電導体の前駆体である複合酸化物粉体及びその製造方法 | |
JPH04292819A (ja) | 酸化物超電導線材の製造方法 | |
JP3034255B2 (ja) | 超電導体、超電導体線材および超電導線材の製造方法 | |
JP2995796B2 (ja) | 酸化物超電導体の製造方法 | |
JP4211454B2 (ja) | ビスマス系酸化物超電導線材の製造方法 | |
JP2007149416A (ja) | 酸化物超電導材料およびその製造方法ならびに超電導線材、超電導機器 | |
EP1176645B1 (en) | Method for preparing bismuth-based high temperature superconductors | |
JP4696811B2 (ja) | Bi系超電導体の製造方法 | |
JP4141666B2 (ja) | 酸化物高温超伝導体針状結晶の製造方法 | |
JPH06176637A (ja) | Bi系酸化物超電導線の製造方法 | |
US5399312A (en) | Method for fabricating high-jc thallium-based superconducting tape | |
JPH07282659A (ja) | 高温超電導線材の製造方法 | |
US6240619B1 (en) | Thermomechanical means to improve the critical current density of BSCCO tapes | |
JP4893117B2 (ja) | 酸化物超電導線材の製造方法および超電導機器 | |
JP3149429B2 (ja) | 超電導体の製造方法 | |
JP2004296253A (ja) | ビスマス系酸化物超電導線材の製造方法 | |
JP3109076B2 (ja) | 酸化物超電導線材の製造方法 | |
JP5105314B2 (ja) | ビスマス系酸化物超電導線材の製造方法 | |
JP2590242B2 (ja) | 酸化物超電導体の作製方法 | |
JP2007165207A (ja) | 酸化物超電導線材の製造方法 | |
JPH04160711A (ja) | 酸化物超電導体帯状線材の製造方法 | |
Ismail et al. | THE INFLUENCE OF COOLING RATE ON THE CRITICAL CURRENT DENSITY OF BSCCO-2223 Ag-SHEATHED SUPERCONDUCTOR TAPES USING POWDERS PREPARED BY CO-PRECIPITATION METHOD | |
JP2006082992A (ja) | 原料粉末の製造方法 | |
JP2007031266A (ja) | Bi系超電導体およびその製造方法、超電導線材ならびに超電導機器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071024 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101207 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110125 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110215 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110228 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4706309 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |