HK17994A - Improved process for making superconductors - Google Patents

Improved process for making superconductors

Info

Publication number
HK17994A
HK17994A HK179/94A HK17994A HK17994A HK 17994 A HK17994 A HK 17994A HK 179/94 A HK179/94 A HK 179/94A HK 17994 A HK17994 A HK 17994A HK 17994 A HK17994 A HK 17994A
Authority
HK
Hong Kong
Prior art keywords
carboxylate
nitrate
composition
temperature
improved process
Prior art date
Application number
HK179/94A
Other languages
English (en)
Inventor
Harold Saul Horowitz
Original Assignee
Du Pont
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of HK17994A publication Critical patent/HK17994A/xx

Links

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
    • 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
    • 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
    • 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
    • C04B35/4512—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 thallium oxide
    • 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
    • C04B35/4521—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 bismuth 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
    • 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
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • 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
    • 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
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/725—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
    • Y10S505/734—From organometallic precursors, e.g. acetylacetonates
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/725—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
    • Y10S505/737—From inorganic salt precursors, e.g. nitrates
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/725—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
    • Y10S505/737—From inorganic salt precursors, e.g. nitrates
    • Y10S505/738—From inorganic salt precursors, e.g. nitrates by precipitating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Ladders (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
HK179/94A 1987-06-09 1994-03-03 Improved process for making superconductors HK17994A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5984887A 1987-06-09 1987-06-09
PCT/US1988/002024 WO1988010009A1 (en) 1987-06-09 1988-06-08 Improved process for making superconductors

Publications (1)

Publication Number Publication Date
HK17994A true HK17994A (en) 1994-03-11

Family

ID=22025675

Family Applications (1)

Application Number Title Priority Date Filing Date
HK179/94A HK17994A (en) 1987-06-09 1994-03-03 Improved process for making superconductors

Country Status (14)

Country Link
US (1) US5061683A (xx)
EP (1) EP0363435B1 (xx)
JP (1) JPH02503787A (xx)
KR (1) KR890702261A (xx)
CN (1) CN1028390C (xx)
AT (1) ATE95008T1 (xx)
AU (1) AU608640B2 (xx)
CA (1) CA1337373C (xx)
DE (1) DE3884395T2 (xx)
DK (1) DK620689A (xx)
HK (1) HK17994A (xx)
HU (1) HU210432B (xx)
NO (1) NO180765C (xx)
WO (1) WO1988010009A1 (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149682A (en) * 1987-09-11 1992-09-22 W. R. Grace & Co. -Conn. Manufacturing method for superconducting ceramics and products thereof
US4906608A (en) * 1987-12-28 1990-03-06 Iowa State University Research Foundation Method for preparing superconductors ceramic composition
AU635410B2 (en) * 1988-01-15 1993-03-18 University Of Arkansas, The A high temperature superconductor system and processes for making same
FR2641530B2 (fr) * 1988-01-29 1993-05-28 Centre Nat Rech Scient Nouveau materiau composite, procede de fabrication et application
US4929594A (en) * 1988-03-14 1990-05-29 E. I. Du Pont De Nemours And Company Superconducting composition Tl2 Ba2 CuO6+x and process for manufacture
NZ228132A (en) * 1988-04-08 1992-04-28 Nz Government Metal oxide material comprising various mixtures of bi, tl, pb, sr, ca, cu, y and ag
JPH01305816A (ja) * 1988-06-01 1989-12-11 Agency Of Ind Science & Technol 高温超伝導体
US5019555A (en) * 1988-08-10 1991-05-28 General Atomics High purity superconducting compositions and methods for their fabrication
US5126316A (en) * 1988-08-24 1992-06-30 E. I. Du Pont De Nemours And Company Bi2 Sr3-x Yx Cu2 O8+y superconducting metal oxide compositions
EP0362685B1 (en) * 1988-09-28 1993-02-10 Nec Corporation An oxide superconductor composition and a process for the production thereof
US4996189A (en) * 1988-10-24 1991-02-26 At&T Bell Laboratories Method of producing mixed metal oxide material, and of producing a body comprising the material
KR900701681A (ko) * 1988-10-26 1990-12-04 도늘드 에이 호우즈 초전도 금속 산화 조성물 및 제조 방법 및 사용
JPH0714818B2 (ja) * 1989-03-23 1995-02-22 工業技術院長 超電導繊維状結晶およびその製造方法
FR2645851B1 (fr) * 1989-04-12 1993-03-26 Commissariat Energie Atomique Poudre de precurseur d'un oxyde supraconducteur a base d'oxyde de cuivre, son procede de fabrication et son utilisation pour la preparation d'un oxyde supraconducteur
US6209190B1 (en) * 1996-05-03 2001-04-03 The Korea Institute Of Machinery & Materials Production of MgO dispersed Bi-2223 superconductor
US5981445A (en) * 1996-06-17 1999-11-09 Corporation De I'ecole Polytechnique Process of making fine ceramic powders from aqueous suspensions
DE19800168A1 (de) * 1998-01-06 1999-07-15 Aventis Res & Tech Gmbh & Co Verfahren zur Herstellung einer homogenen und stabilen Suspension aus Oxidvorprodukten
CN100434365C (zh) * 2005-10-11 2008-11-19 中国科学技术大学 YBa2Cu3O7多晶纳米线阵列及其制备方法
RU2534320C1 (ru) * 2013-07-24 2014-11-27 Открытое акционерное общество "Государственный научно-исследовательский и проектный институт редкометаллической промышленности ОАО "Гиредмет" Способ получения нанопорошков индивидуальных оксидов лантаноидов

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137918B2 (xx) * 1974-07-10 1976-10-19
US4482644A (en) * 1983-04-18 1984-11-13 Exxon Research & Engineering Co. Oxygen-deficient, barium-containing perovskites
US4567031A (en) * 1983-12-27 1986-01-28 Combustion Engineering, Inc. Process for preparing mixed metal oxides
JPS6131345A (ja) * 1984-07-25 1986-02-13 堺化学工業株式会社 組成物の製造方法
DE3430383A1 (de) * 1984-08-17 1986-02-27 Plasmainvent AG, Zug Plasmaspritzbrenner fuer innenbeschichtungen
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
JPS6287456A (ja) * 1985-10-11 1987-04-21 日本碍子株式会社 誘電体磁器用セラミツク組成物
JPS6463225A (en) * 1987-05-18 1989-03-09 Sumitomo Electric Industries Manufacture of superconductor complex
JPS63288912A (ja) * 1987-05-22 1988-11-25 Hitachi Ltd 無機酸化物超電導体の調製方法
DE3721147A1 (de) * 1987-06-26 1989-01-05 Vacuumschmelze Gmbh Verfahren zur herstellung von draht- und/oder bandfoermigen supraleitern aus keramischer sintermasse

Also Published As

Publication number Publication date
WO1988010009A1 (en) 1988-12-15
EP0363435B1 (en) 1993-09-22
DE3884395D1 (de) 1993-10-28
AU2085288A (en) 1989-01-04
DK620689D0 (da) 1989-12-08
EP0363435A4 (en) 1990-03-22
KR890702261A (ko) 1989-12-23
CN1031296A (zh) 1989-02-22
DK620689A (da) 1990-01-31
DE3884395T2 (de) 1994-04-21
NO890562D0 (no) 1989-02-09
NO180765C (no) 1997-06-11
AU608640B2 (en) 1991-04-11
CA1337373C (en) 1995-10-24
HUT52643A (en) 1990-07-28
ATE95008T1 (de) 1993-10-15
JPH02503787A (ja) 1990-11-08
EP0363435A1 (en) 1990-04-18
NO180765B (no) 1997-03-03
HU210432B (en) 1995-04-28
NO890562L (no) 1989-04-10
US5061683A (en) 1991-10-29
CN1028390C (zh) 1995-05-10

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)