KR890701471A - 90k 초전도체 제조의 개선된 방법 - Google Patents

90k 초전도체 제조의 개선된 방법

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Publication number
KR890701471A
KR890701471A KR1019890700307A KR890700307A KR890701471A KR 890701471 A KR890701471 A KR 890701471A KR 1019890700307 A KR1019890700307 A KR 1019890700307A KR 890700307 A KR890700307 A KR 890700307A KR 890701471 A KR890701471 A KR 890701471A
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KR
South Korea
Prior art keywords
precursor powder
temperature
mba
molded article
manufactured according
Prior art date
Application number
KR1019890700307A
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English (en)
Inventor
미카엘 맥카론 3세 유젠
Original Assignee
새뮤얼 에스 블라이트
이 아이 듀우판 디 네모아 앤드 캄파니
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Application filed by 새뮤얼 에스 블라이트, 이 아이 듀우판 디 네모아 앤드 캄파니 filed Critical 새뮤얼 에스 블라이트
Publication of KR890701471A publication Critical patent/KR890701471A/ko

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    • 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
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C01F11/04—Oxides or hydroxides by thermal decomposition
    • 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
    • C04B35/4508—Type 1-2-3
    • 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
    • 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
    • Y10S505/80—Material per se process of making same
    • 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
    • Y10S505/80—Material per se process of making same
    • Y10S505/801—Composition
    • Y10S505/809—Ceramic
    • 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
    • Y10S505/80—Material per se process of making same
    • Y10S505/81—Compound
    • 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
    • Y10S505/80—Material per se process of making same
    • Y10S505/815—Process of making per se

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

내용 없음

Description

90k 초전도체 제조의 개선된 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. 전구체 분말을 형성하기 위해 약1：2：3의 M：Ba：Cu의 원자비로 Ba(NO3)2, M2O3및 CuO분말을 혼합시키고 y가 약 6.0-약 6.4인 MBa2Cu3Oy를 형성하기에 충분한 시간동안 약 875℃-약 950℃의 온도에서 산소-함유 분위기내에서, 전구체 분말을 가열시키고；원하는 생성물을 얻기에 충분한 시간동안 냉각시키면서, 산소-함유 분위기에서 MBa2Cu3Oy를 유지시키는 것으로 근본적으로 이루어져 있는 방법으로서, M이, Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, 및 Lu로 이루어진 군으로부터 선택되고；x가 약 6.5-약 7.0으로부터 선택되는 일반식 MBa2Cu3Ox를 갖고, 약 80K의 초전도 전이 온도를 갖는, 초전도 조성물의 개선된 제조방법.
  2. 제1항에 있어서, 가열시키기 전, 전구체 분말이 원하는 형태로 압축되는 방법.
  3. 제1항에 있어서, 전구체 분말이 약 900℃-약 950℃의 온도에서 가열되는 방법
  4. 제2항에 있어서, 전구체 분말이 약 900℃-약 950℃의 온도에서 가열되는 방법
  5. 제3항에 있어서, x가 약 6.8-약 7.0인 방법
  6. 제4항에 있어서, x가 약 6.8-약 7.0인 방법
  7. 제5항에 있어서, M이 Y인 방법.
  8. 제6항에 있어서, M이 Y인 방법.
  9. 제2항의 방법에 따라 제조된 조형품(Shaped article).
  10. 제4항의 방법에 따라 제조된 조형품.
  11. 제6항의 방법에 따라 제조된 조형품.
  12. 제8항의 방법에 따라 제조된 조형품.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019890700307A 1987-06-22 1988-06-09 90k 초전도체 제조의 개선된 방법 KR890701471A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US064459 1987-06-22
US07/064,459 US4861753A (en) 1987-06-22 1987-06-22 Process for making superconductors using barium nitrate
PCT/US1988/001881 WO1988010237A1 (en) 1987-06-22 1988-06-09 Improved process for making 90 k superconductors

Publications (1)

Publication Number Publication Date
KR890701471A true KR890701471A (ko) 1989-12-20

Family

ID=22056141

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890700307A KR890701471A (ko) 1987-06-22 1988-06-09 90k 초전도체 제조의 개선된 방법

Country Status (8)

Country Link
US (1) US4861753A (ko)
EP (1) EP0364494A4 (ko)
JP (1) JPH02503906A (ko)
KR (1) KR890701471A (ko)
AU (1) AU612183B2 (ko)
HU (1) HUT52645A (ko)
RU (1) RU1838242C (ko)
WO (1) WO1988010237A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041321A (en) * 1984-11-02 1991-08-20 The Boeing Company Fiberformed ceramic insulation and method
US6559103B1 (en) * 1988-02-12 2003-05-06 The Boeing Company Method for producing superconducting oxide compounds
US5398840A (en) * 1984-11-02 1995-03-21 The Boeing Company Microparticle enhanced fibrous ceramic baffle for cryogenic liquid containers
US5549850A (en) * 1984-11-02 1996-08-27 The Boeing Company LaMnO3 -coated ceramics
US5589441A (en) * 1984-11-02 1996-12-31 The Boeing Company Superconductive fiberform ceramic composite
US5089466A (en) * 1987-12-17 1992-02-18 The University Of Colorado Foundation, Inc. Stable mixed metal superconductive oxides containing nitrogen
US5304666A (en) * 1988-07-01 1994-04-19 E. I. Du Pont De Nemours And Company Process for making superconductors and their precursors
US5021395A (en) * 1988-07-01 1991-06-04 E. I. Du Pont De Nemours And Company Process for making superconductors and their precursors
JPH02302358A (ja) * 1989-05-15 1990-12-14 Ngk Insulators Ltd 平板状酸化物超電導体の焼成方法
US5356868A (en) * 1989-07-03 1994-10-18 Gte Laboratories Incorporated Highly oriented superconductor oxide ceramic platelets and process for the production thereof
US4997810A (en) * 1989-10-05 1991-03-05 W. R. Grace & Co.-Conn. Vibratory calcination of inorganic oxide superconductor precursor powders
US5696057A (en) * 1990-07-24 1997-12-09 Honeywell Inc. Producing high TC superconductor bulk composites
US5407618A (en) * 1990-08-13 1995-04-18 The Boeing Company Method for producing ceramic oxide compounds
US5300483A (en) * 1992-01-16 1994-04-05 Sinha Shome N Process for preparing shaped superconductor materials via nonequilibrium precursors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5685814A (en) * 1979-12-14 1981-07-13 Tdk Electronics Co Ltd Condenser
GB2201955B (en) * 1987-03-11 1991-09-18 Ibm Electrically superconducting compositions and processes for their preparation
AU608644B2 (en) * 1987-05-19 1991-04-11 E.I. Du Pont De Nemours And Company Improved process for making 90k superconductors
US4866031A (en) * 1987-06-09 1989-09-12 E. I. Du Pont De Nemours And Company Process for making 90 K superconductors from acetate precursor solutions
EP0366721A4 (en) * 1987-06-09 1991-04-24 E.I. Du Pont De Nemours And Company Improved process for making 90 k superconductors

Also Published As

Publication number Publication date
AU612183B2 (en) 1991-07-04
US4861753A (en) 1989-08-29
EP0364494A1 (en) 1990-04-25
WO1988010237A1 (en) 1988-12-29
JPH02503906A (ja) 1990-11-15
HUT52645A (en) 1990-07-28
AU2313188A (en) 1989-01-19
EP0364494A4 (en) 1991-05-08
RU1838242C (ru) 1993-08-30

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