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KR890702214A - Improved manufacturing method of 90k superconductor - Google Patents

Improved manufacturing method of 90k superconductor

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Publication number
KR890702214A
KR890702214A KR1019890700090A KR890700090A KR890702214A KR 890702214 A KR890702214 A KR 890702214A KR 1019890700090 A KR1019890700090 A KR 1019890700090A KR 890700090 A KR890700090 A KR 890700090A KR 890702214 A KR890702214 A KR 890702214A
Authority
KR
South Korea
Prior art keywords
mixture
oxygen
heated
molded article
manufactured according
Prior art date
Application number
KR1019890700090A
Other languages
Korean (ko)
Inventor
아파보라이 서브라마니안 무밀팔람
Original Assignee
원본미기재
이 아이 듀우판 디네모아 앤드 캄파니
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 원본미기재, 이 아이 듀우판 디네모아 앤드 캄파니 filed Critical 원본미기재
Publication of KR890702214A publication Critical patent/KR890702214A/en

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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
    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

내용 없음No content

Description

90k 초전도체의 개선된 제조방법Improved manufacturing method of 90k superconductor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (22)

M2O3, BaO2및 CuO를 약 1 : 2 : 3의 M : Ba : Cu 원자 비율로 혼합하여 분말 혼합물을 얻고 : 형성된 혼합물을 산소-함유 분위기에서 약 850℃ - 약 925℃의 온도로 MBa2Cu3Oy(여기서 y는 약 6.0 - 약 6.4이다)를 형성하기에 충분한 시간동안 가열하고 ; MBa2Cu3Oy를 산소-함유 분위기에서 냉각시키면서 원하는 생성물이 얻어지기에 충분한 시간동안 유지시키는 것으로 근본적으로 구성된 ; 초전도 전이 온도가 약 90K이며 ; 식 MBa2Cu3Ox(여기서 M은 Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb 및 Lu로 구성된 군으로부터 선택되고, x는 약 6.5 - 약 7.0이다)을 갖는 초전도 조성물의 개선된 제조방법.M 2 O 3 , BaO 2, and CuO were mixed at an M: Ba: Cu atomic ratio of about 1: 2: 3 to obtain a powder mixture: the formed mixture was heated at a temperature of about 850 ° C. to about 925 ° C. in an oxygen-containing atmosphere. Heating for a time sufficient to form MBa 2 Cu 3 Oy, where y is about 6.0 to about 6.4; Essentially consisting of cooling MBa 2 Cu 3 Oy in an oxygen-containing atmosphere while maintaining sufficient time for the desired product to be obtained; Superconducting transition temperature is about 90K; Superconductivity with the formula MBa 2 Cu 3 Ox, where M is selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu, x is about 6.5 to about 7.0 Improved Method of Making the Composition. 제 1 항에 있어서, 혼합물이 가열되기 전에 원하는 형상으로 압착되는 방법.The method of claim 1 wherein the mixture is pressed into the desired shape before being heated. 제 1 항에 있어서, 혼합물이 약 665℃ - 약 900℃의 온도에서 가열되는 방법.The method of claim 1 wherein the mixture is heated at a temperature of about 665 ° C. to about 900 ° C. 7. 제 2 항에 있어서, 혼합물이 약 865℃ - 약 900℃의 온도에서 가열되는 방법.The method of claim 2 wherein the mixture is heated at a temperature of about 865 ° C. to about 900 ° C. 4. 제 3 항에 있어서, x가 약 6.8 - 약 7.0인 방법.The method of claim 3, wherein x is about 6.8 to about 7.0. 제 4 항에 있어서, x가 약 6.8 - 약 7.0인 방법.The method of claim 4, wherein x is about 6.8 to about 7.0. 제 5 항에 있어서, 산소-함유 분위기가 공기인 방법.6. The method of claim 5 wherein the oxygen-containing atmosphere is air. 제 6 항에 있어서, 산소-함유 분위기가 공기인 방법.The method of claim 6, wherein the oxygen-containing atmosphere is air. 제 1 항에 있어서, M이 Y, Eu 또는 Er인 방법.The method of claim 1 wherein M is Y, Eu or Er. 제 2 항에 있어서, M이 Y, Eu 또는 Er인 방법.The method of claim 2 wherein M is Y, Eu or Er. 제 5 항에 있어서, M이 Y, Eu 또는 Er인 방법.6. The method of claim 5 wherein M is Y, Eu or Er. 제 6 항에 있어서, M이 Y, Eu 또는 Er인 방법.7. The method of claim 6 wherein M is Y, Eu or Er. 제 7 항에 있어서, M이 Y, Eu 또는 Er인 방법.8. The method of claim 7, wherein M is Y, Eu or Er. 제 8 항에 있어서, M이 Y, Eu 또는 Er인 방법.The method of claim 8, wherein M is Y, Eu, or Er. 제 11 항에 있어서, M이 Y인 방법.12. The method of claim 11, wherein M is Y. 제 12 항에 있어서, M이 Y인 방법.13. The method of claim 12 wherein M is Y. 제 13 항에 있어서, M이 Y인 방법.The method of claim 13, wherein M is Y. 제 14 항에 있어서, M이 Y인 방법.15. The method of claim 14, wherein M is Y. 제 2 항의 방법에 따라 제조된 성형물품.Molded article manufactured according to the method of claim 2. 제 6 항의 방법에 따라 제조된 성형물품.Molded article manufactured according to the method of claim 6. 제 12 항의 방법에 따라 제조된 성형물품.Molded article manufactured according to the method of claim 12. 제 16 항의 방법에 따라 제조된 성형물품.Molded article manufactured according to the method of claim 16. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890700090A 1987-05-19 1988-05-06 Improved manufacturing method of 90k superconductor KR890702214A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5186087A 1987-05-19 1987-05-19
US051860 1987-05-19
US7668687A 1987-07-22 1987-07-22
US076686 1987-07-22
PCT/US1988/001434 WO1988009555A1 (en) 1987-05-19 1988-05-06 Improved process for making 90 k superconductors

Publications (1)

Publication Number Publication Date
KR890702214A true KR890702214A (en) 1989-12-23

Family

ID=26729886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890700090A KR890702214A (en) 1987-05-19 1988-05-06 Improved manufacturing method of 90k superconductor

Country Status (5)

Country Link
EP (1) EP0357683A4 (en)
JP (1) JPH02504260A (en)
KR (1) KR890702214A (en)
AU (1) AU608644B2 (en)
WO (1) WO1988009555A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898851A (en) * 1987-06-22 1990-02-06 E. I. Du Pont De Nemours And Company Process for making 90 k superconductors using a spray dried oxalate precursor
US4861753A (en) * 1987-06-22 1989-08-29 E. I. Du Pont De Nemours And Company Process for making superconductors using barium nitrate
GB8808618D0 (en) * 1988-04-12 1988-05-11 Ici Plc High efficiency antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60221358A (en) * 1984-04-13 1985-11-06 日本碍子株式会社 Ceramic composition for electric insulator
CN1034448A (en) * 1987-12-22 1989-08-02 格雷斯公司 The application of barium peroxide in the yttrium barium copper composite oxides of superconductivity and relevant material

Also Published As

Publication number Publication date
EP0357683A4 (en) 1991-05-08
EP0357683A1 (en) 1990-03-14
JPH02504260A (en) 1990-12-06
WO1988009555A1 (en) 1988-12-01
AU2125288A (en) 1988-12-21
AU608644B2 (en) 1991-04-11

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