DE69024484D1 - Yttrium-barium-kupfer-sauerstoff-supraleiter mit gerichteten kristalliten und hoher kritischer stromdichte sowie verfahren zur ihrer herstellung - Google Patents

Yttrium-barium-kupfer-sauerstoff-supraleiter mit gerichteten kristalliten und hoher kritischer stromdichte sowie verfahren zur ihrer herstellung

Info

Publication number
DE69024484D1
DE69024484D1 DE69024484T DE69024484T DE69024484D1 DE 69024484 D1 DE69024484 D1 DE 69024484D1 DE 69024484 T DE69024484 T DE 69024484T DE 69024484 T DE69024484 T DE 69024484T DE 69024484 D1 DE69024484 D1 DE 69024484D1
Authority
DE
Germany
Prior art keywords
temperature
delta
y1ba2cu3o6
approximately
melting point
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.)
Revoked
Application number
DE69024484T
Other languages
English (en)
Other versions
DE69024484T2 (de
Inventor
K University Of Houston Salama
V University Of Selvamanickam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Houston
Original Assignee
University of Houston
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23198002&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69024484(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by University of Houston filed Critical University of Houston
Publication of DE69024484D1 publication Critical patent/DE69024484D1/de
Application granted granted Critical
Publication of DE69024484T2 publication Critical patent/DE69024484T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • C04B35/01—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
    • 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
    • C04B35/653—Processes involving a melting step
    • 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
    • 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
    • Y10S505/742—Annealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (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)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE69024484T 1989-02-10 1990-02-08 Yttrium-barium-kupfer-sauerstoff-supraleiter mit gerichteten kristalliten und hoher kritischer stromdichte sowie verfahren zur ihrer herstellung Revoked DE69024484T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/309,382 US4956336A (en) 1989-02-10 1989-02-10 Oriented grained Y-Ba-Cu-O superconductors having high critical currents and method for producing same
PCT/US1990/000739 WO1990009344A1 (en) 1989-02-10 1990-02-08 ORIENTED GRAINED Y-Ba-Cu-O SUPERCONDUCTORS HAVING HIGH CRITICAL CURRENTS AND METHOD FOR PRODUCING SAME

Publications (2)

Publication Number Publication Date
DE69024484D1 true DE69024484D1 (de) 1996-02-08
DE69024484T2 DE69024484T2 (de) 1996-07-25

Family

ID=23198002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024484T Revoked DE69024484T2 (de) 1989-02-10 1990-02-08 Yttrium-barium-kupfer-sauerstoff-supraleiter mit gerichteten kristalliten und hoher kritischer stromdichte sowie verfahren zur ihrer herstellung

Country Status (8)

Country Link
US (1) US4956336A (de)
EP (1) EP0457851B1 (de)
JP (1) JP3110451B2 (de)
AT (1) ATE132122T1 (de)
AU (1) AU5417790A (de)
CA (1) CA2048622A1 (de)
DE (1) DE69024484T2 (de)
WO (1) WO1990009344A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2651481B2 (ja) * 1987-09-21 1997-09-10 株式会社 半導体エネルギー研究所 超伝導材料の作製方法
US5278137A (en) * 1988-06-06 1994-01-11 Nippon Steel Corporation YBa2 Cu3 O7-y type oxide superconductive material containing dispersed Y2 BaCuO5 phase and having high critical current density
US5084436A (en) * 1989-01-31 1992-01-28 Asahi Glass Company Ltd. Oriented superconductor containing a dispersed non-superconducting phase
EP0385485A3 (de) * 1989-03-03 1991-01-16 Hitachi, Ltd. Oxidischer Supraleiter, supraleitender Draht und Spule bei Verwendung desselben und Methode zu dessen Herstellung
WO1990013517A1 (en) * 1989-05-02 1990-11-15 Nippon Steel Corporation Oxide superconductor and method of producing the same
DE3923845A1 (de) * 1989-07-19 1991-01-31 Hoechst Ag Dichte, supraleitende koerper mit textur
US5340794A (en) * 1989-08-02 1994-08-23 Her Majesty The Queen In Right Of New Zealand Flux pinning in superconducting cuprates
US7667562B1 (en) * 1990-02-20 2010-02-23 Roy Weinstein Magnetic field replicator and method
CA2038975C (en) * 1990-03-26 1997-01-07 Yasuko Torii Thallium oxide superconductor and method of preparing the same
DE69006351T2 (de) * 1990-04-27 1994-05-11 Ind Tech Res Inst Verfahren zur Herstellung des Y-Ba-Cu-O-Supraleiters in Bulkform mit hoher, kritischer Stromdichte.
JP2688455B2 (ja) * 1990-12-20 1997-12-10 財団法人国際超電導産業技術研究センター 希土類系酸化物超電導体及びその製造方法
JP2871258B2 (ja) * 1991-01-18 1999-03-17 日本碍子株式会社 酸化物超電導体及びその製造方法
KR100209580B1 (ko) * 1991-08-31 1999-07-15 이형도 이트륨계 초전도체의 제조방법
DE69224605T2 (de) * 1991-11-28 1998-11-05 Int Superconductivity Tech Kupferoxid-Supraleiter, Verfahren zu seiner Herstellung und dabei verwendete Kupferverbindung
US5306700A (en) * 1992-09-01 1994-04-26 The Catholic University Of America Dense melt-based ceramic superconductors
DE4322533A1 (de) * 1993-07-07 1995-01-12 Leybold Durferrit Gmbh Verfahren zur Herstellung supraleitender Keramiken und die Kermiken selbst
DE4420322C2 (de) * 1994-06-13 1997-02-27 Dresden Ev Inst Festkoerper YBa¶2¶Cu¶3¶O¶X¶-Hochtemperatur-Supraleiter und Verfahren zu dessen Herstellung
US5776864A (en) * 1995-01-12 1998-07-07 The University Of Chicago Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals
US5747426A (en) * 1995-06-07 1998-05-05 Commonwealth Research Corporation High performance magnetic bearing systems using high temperature superconductors
US5846912A (en) * 1996-01-04 1998-12-08 Lockheed Martin Energy Systems, Inc. Method for preparation of textured YBa2 Cu3 Ox superconductor
US5885379A (en) * 1997-03-28 1999-03-23 The Landover Company Tempered powdered metallurgical construct and method
US6361598B1 (en) 2000-07-20 2002-03-26 The University Of Chicago Method for preparing high temperature superconductor
US6410487B1 (en) 2000-07-20 2002-06-25 The University Of Chicago Large area bulk superconductors
US7608785B2 (en) * 2004-04-27 2009-10-27 Superpower, Inc. System for transmitting current including magnetically decoupled superconducting conductors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157017A (en) * 1987-06-12 1992-10-20 At&T Bell Laboratories Method of fabricating a superconductive body
US4892861A (en) * 1987-08-14 1990-01-09 Aluminum Company Of America Liquid phase sintered superconducting cermet
AU598692B2 (en) * 1987-08-21 1990-06-28 Furukawa Electric Co. Ltd., The Method of manufacturing superconductive products
US4824826A (en) * 1987-09-10 1989-04-25 Iowa State University Research Foundation, Inc. Millimeter size single crystals of superconducting YBa2 Cu3 O.sub.
EP0310332A3 (de) * 1987-09-28 1990-11-14 Arch Development Corporation Bevorzugte Orientierung von supraleitenden Metalloxidmaterialien
JP2822451B2 (ja) * 1988-06-02 1998-11-11 住友電気工業株式会社 超電導体の製造方法

Also Published As

Publication number Publication date
EP0457851A1 (de) 1991-11-27
JP3110451B2 (ja) 2000-11-20
US4956336A (en) 1990-09-11
ATE132122T1 (de) 1996-01-15
JPH04504558A (ja) 1992-08-13
EP0457851B1 (de) 1995-12-27
DE69024484T2 (de) 1996-07-25
EP0457851A4 (en) 1991-12-27
AU5417790A (en) 1990-09-05
WO1990009344A1 (en) 1990-08-23
CA2048622A1 (en) 1990-08-11

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation