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公开(公告)号：US5217945A
公开(公告)日：1993-06-08
申请号：US754996
申请日：1991-09-05
申请人： Takahiro Wada , Yuji Yaegashi , Ataru Ichinose , Nobuo Suzuki , Hisao Yamauchi , Shoji Tanaka
发明人： Takahiro Wada , Yuji Yaegashi , Ataru Ichinose , Nobuo Suzuki , Hisao Yamauchi , Shoji Tanaka
CPC分类号： C04B35/4504 , H01L39/2419 , Y10S505/779 , Y10S505/78
摘要： The present invention provides an oxide superconductor which has a relatively high transition temperature T.sub.c. This superconductor has the chemical formula (R.sub.1-x Ca.sub.x)(Ba.sub.1-y Sr.sub.y).sub.2 Cu.sub.3 O.sub.7-z wherein R is at least one rare earth element selected from the group consisting of Tm, Yb and Lu, x is with in the range of 0.1.ltoreq..times.0.5, y is within the range of 0.1.ltoreq. y .ltoreq.0.4 and z is within the range of 0.05 .ltoreq. z .ltoreq.(x/2+0.5). The invention further provides a method for producing the oxide superconductor which comprises firing a composition of the formula (R.sub.1-x Ca.sub.x)(Ba.sub.1-y Sr.sub.y).sub.2 Cu.sub.3 O.sub.7-z wherein R is at least one rare earth element selected from the group consisting of Tm, Yb and Lu, x is within the range of 0.1 .ltoreq..times..ltoreq.0.5 and y is within the range of 0.1 .ltoreq.y .ltoreq.0.4 at a temperature of from 750.degree. C. to the melting temperature of the composition under an oxygen partial pressure P(O.sub.2) of 0.001 atm .ltoreq.P(O.sub.2) .ltoreq.0.2 atm and then heat treating the composition to adjust the oxygen loss z to 0.05 .ltoreq.z .ltoreq.(x/2+0.5).
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公开(公告)号：US5149683A
公开(公告)日：1992-09-22
申请号：US659637
申请日：1991-02-11
申请人： Takahiro Wada , Nobuo Suzuki , Ataru Ichinose , Yuji Yaegashi , Hisao Yamauchi , Shoji Tanaka
发明人： Takahiro Wada , Nobuo Suzuki , Ataru Ichinose , Yuji Yaegashi , Hisao Yamauchi , Shoji Tanaka
CPC分类号： C04B35/4504 , H01L39/126 , H01L39/2422 , Y10S505/779 , Y10S505/78
摘要： A method for producing an oxide superconductor formed according to a chemical composition formula (R.sub.1-x Ca.sub.x)(Ba.sub.1-y Sr.sub.y).sub.2 Cu.sub.4 O.sub.8 and having a transition temperature of 77K or above, comprising the step of causing a reaction between (R.sub.1-x Ca.sub.x)(Ba.sub.1-y Sr.sub.y).sub.2 Cu.sub.3 O.sub.7-z and a Cu material such as CuO, wherein R stands for one or more rare earth elements selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm and Yb, and wherein 0.01.ltoreq.x.ltoreq.0.25, 0.ltoreq.y.ltoreq.0.5, and 0.ltoreq.z.ltoreq.1. The advantage of this production method is that this production method does not require a hot static pressing process which takes a long time.
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3.发明授权Layered copper oxides (R.sub.(1+x) Ce.sub.(2-x))Sr.sub.2 Cu.sub.2 (M.sub.1-y Cu.sub.y)O.sub.11 wherein R is a rare earth element and M is one or both of Pb and Tl 失效层状铜氧化物（R（1 + x）Ce（2-x））Sr2Cu2（M1-yCuy）O11其中R是稀土元素，M是Pb和Tl中的一种或两种
公开(公告)号：US5262393A
公开(公告)日：1993-11-16
申请号：US781315
申请日：1991-10-25
申请人： Takahiro Wada , Ataru Ichinose , Kazuyuki Hamada , Hisao Yamauchi , Shoji Tanaka
发明人： Takahiro Wada , Ataru Ichinose , Kazuyuki Hamada , Hisao Yamauchi , Shoji Tanaka
IPC分类号： C01G15/00 , C01G1/00 , C01G21/02 , C04B35/45 , H01B3/12 , H01B12/00 , H01L39/12 , C01F11/02 , C01F17/00 , C01G3/02
CPC分类号： C04B35/4504 , C04B35/4512 , C04B35/4517 , Y10S505/775 , Y10S505/776 , Y10S505/783
摘要： The present invention provides a layered copper oxide as an insulator for superconductor or as a superconductor, which has a chemical composition represented by the formula of (R,Ce).sub.3 Sr.sub.2 Cu.sub.2 (M,Cu)O.sub.11, wherein R is a rare earth element other than Ce and M is one or both of Pb and T1, and has a crystal structure comprising a (M,Cu)Sr.sub.2 (R,Ce)Cu.sub.2 O.sub.7 ; unit of a TlBa.sub.2 CaCu.sub.2 O.sub.7 (1-2-1-2)-type structure and a [(R,Ce)O.sub.2 ].sub.2 unit of a fluorite-type structure alternately put on each other, or a chemical composition represented by the formula of (R,Ce).sub.3 Sr.sub.2 Cu.sub.2 (M,Cu)O.sub.10+z, wherein R is a rare earth element other than Ce, M is one or both of Pb or Tl, and has a crystal structure comprising a (R,Ce)Sr.sub.2 Cu.sub.2 (Cu,M)O.sub.6+z unit of a YBa.sub.2 Cu.sub.3 O.sub.3 O.sub.6+.delta. -type structure and a [(R,Ce)O.sub.2 ].sub.2 unit of a fluorite-type structure alternately put on each other, wherein z is in the range of 0.ltoreq.z.ltoreq.2 and .delta. is in the range of 0.ltoreq..delta..ltoreq.1.
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4.发明授权Oxide superconductor having the formula Pb.sub.a (M.sub.1-x-y Ce.sub.x Sr.sub.y).sub.4 Cu.sub.3-a O.sub.z where M is at least one rare earth element 失效具有式Pba（M1-x-yCexSry）4Cu3-aOz的氧化物超导体，其中M是至少一种稀土元素
公开(公告)号：US5252544A
公开(公告)日：1993-10-12
申请号：US712264
申请日：1991-06-07
申请人： Toshihiko Maeda , Kazuhiro Sakuyama , Shin-ichi Koriyama , Ataru Ichinose , Hisao Yamauchi , Shoji Tanaka
发明人： Toshihiko Maeda , Kazuhiro Sakuyama , Shin-ichi Koriyama , Ataru Ichinose , Hisao Yamauchi , Shoji Tanaka
IPC分类号： C01G3/00 , C01G1/00 , C01G21/00 , C04B35/45 , H01B12/00 , H01L39/12 , C01F11/02 , C01F17/00 , C01G3/02
CPC分类号： H01L39/126 , C01G21/006 , C04B35/45 , C01P2002/30 , C01P2002/72 , C01P2002/77 , Y10S505/778 , Y10S505/779
摘要： An oxide superconductor which has a composition expressed by the following general formula and whose crystal structure is 1222-phase structure.Pb.sub.a (M.sub.1-x-y Ce.sub.x Sr.sub.y).sub.4 Cu.sub.3-a O.sub.z (I)(where M represents at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and a, x, y, and z denote the numbers which satisfy 0.3.ltoreq.a.ltoreq.0.7, 0
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公开(公告)号：US5407908A
公开(公告)日：1995-04-18
申请号：US91832
申请日：1993-07-13
申请人： Toshihiko Maeda , Kazuhiro Sakuyama , Shin-ichi Koriyama , Ataru Ichinose , Hisao Yamauchi , Shoji Tanaka
发明人： Toshihiko Maeda , Kazuhiro Sakuyama , Shin-ichi Koriyama , Ataru Ichinose , Hisao Yamauchi , Shoji Tanaka
CPC分类号： H01L39/126 , C01G21/006 , C04B35/45 , C01P2002/30 , C01P2002/72 , C01P2002/77 , Y10S505/778 , Y10S505/779
摘要： A method for manufacturing a Pb-based Cu oxide superconductor. The method includes the steps of mixing powders of a raw material containing at least Pb, Sr, Ce, M, where M is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and Cu in a proportion to have the composition of the formula (I),Pb.sub.a (M.sub.1-x-y Ce.sub.x Sr.sub.y).sub.4 Cu.sub.3-a O.sub.z(I)where M is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu, and a, x, y, and z denote the numbers which satisfy 0.3.ltoreq.a.ltoreq.0.7, 0
摘要翻译： 一种Pb系Cu氧化物超导体的制造方法。 该方法包括混合至少含有Pb，Sr，Ce，M的原料的粉末的步骤，其中M是选自Y，La，Nd，Sm，Eu，Gd，Tb， Dy，Ho，Er，Yb和Lu，以及具有式（I）的组成的比例的Pba（M1-x-yCexSry）4Cu3-aOz（I），其中M是选自 由Y，La，Nd，Sm，Eu，Gd，Tb，Dy，Ho，Er，Yb和Lu组成的组，a，x，y和z表示满足0.3 < = 0.7,0
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公开(公告)号：US08148300B2
公开(公告)日：2012-04-03
申请号：US12662741
申请日：2010-04-30
IPC分类号： H01L39/24
CPC分类号： C23C14/02 , C23C14/028 , C23C14/087 , H01L39/2454 , H01L39/2483 , H01L39/2487 , Y10S505/816 , Y10T428/24322 , Y10T428/2457
摘要： The present invention relates to a superconducting film having a substrate and a superconductor layer formed on the substrate, in which nano grooves are formed parallel to a current flowing direction on a substrate surface on which the superconductor layer is formed and two-dimensional crystal defects are introduced in the superconductor layer on the nano grooves, and a method of manufacturing this superconducting film. A superconducting film of the invention, which is obtained at low cost and has very high Jc, is useful in applications such as cables, magnets, shields, current limiters, microwave devices, and semifinished products of these articles.
摘要翻译： 本发明涉及一种超导膜，其具有在基板上形成有基板和超导体层的超导膜，在该基板上形成有平坦于电流流动方向的纳米槽，在其上形成超导体层的基板表面上形成二维晶体缺陷 引入到纳米槽上的超导体层中，以及制造该超导膜的方法。 本发明的低成本且具有非常高的Jc的本发明的超导膜可用于诸如电缆，磁体，屏蔽，限流器，微波器件和这些制品的半成品的应用中。
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公开(公告)号：US20100267568A1
公开(公告)日：2010-10-21
申请号：US12662741
申请日：2010-04-30
CPC分类号： C23C14/02 , C23C14/028 , C23C14/087 , H01L39/2454 , H01L39/2483 , H01L39/2487 , Y10S505/816 , Y10T428/24322 , Y10T428/2457
摘要： The present invention relates to a superconducting film having a substrate and a superconductor layer formed on the substrate, in which nano grooves are formed parallel to a current flowing direction on a substrate surface on which the superconductor layer is formed and two-dimensional crystal defects are introduced in the superconductor layer on the nano grooves, and a method of manufacturing this superconducting film. A superconducting film of the invention, which is obtained at low cost and has very high Jc, is useful in applications such as cables, magnets, shields, current limiters, microwave devices, and semifinished products of these articles.
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公开(公告)号：US07772157B2
公开(公告)日：2010-08-10
申请号：US10569801
申请日：2004-08-27
IPC分类号： H01L39/24
CPC分类号： C23C14/02 , C23C14/028 , C23C14/087 , H01L39/2454 , H01L39/2483 , H01L39/2487 , Y10S505/816 , Y10T428/24322 , Y10T428/2457
摘要： The present invention relates to a superconducting film having a substrate and a superconductor layer formed on the substrate, in which nano grooves are formed parallel to a current flowing direction on a substrate surface on which the superconductor layer is formed and two-dimensional crystal defects are introduced in the superconductor layer on the nano grooves, and a method of manufacturing this superconducting film. A superconducting film of the invention, which is obtained at low cost and has very high Jc, is useful in applications such as cables, magnets, shields, current limiters, microwave devices, and semifinished products of these articles.
摘要翻译： 本发明涉及一种超导膜，其具有在基板上形成有基板和超导体层的超导膜，在该基板上形成有平坦于电流流动方向的纳米槽，在其上形成超导体层的基板表面上形成二维晶体缺陷 引入到纳米槽上的超导体层中，以及制造该超导膜的方法。 本发明的低成本且具有非常高的Jc的本发明的超导膜可用于诸如电缆，磁体，屏蔽，限流器，微波器件和这些制品的半成品的应用中。
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公开(公告)号：US20060258539A1
公开(公告)日：2006-11-16
申请号：US10569801
申请日：2004-08-27
IPC分类号： H01L39/24
CPC分类号： C23C14/02 , C23C14/028 , C23C14/087 , H01L39/2454 , H01L39/2483 , H01L39/2487 , Y10S505/816 , Y10T428/24322 , Y10T428/2457
摘要： The present invention relates to a superconducting film having a substrate and a superconductor layer formed on the substrate, in which nano grooves are formed parallel to a current flowing direction on a substrate surface on which the superconductor layer is formed and two-dimensional crystal defects are introduced in the superconductor layer on the nano grooves, and a method of manufacturing this superconducting film. A superconducting film of the invention, which is obtained at low cost and has very high Jc, is useful in applications such as cables, magnets, shields, current limiters, microwave devices, and semifinished products of these articles.
摘要翻译： 本发明涉及一种超导膜，其具有在基板上形成有基板和超导体层的超导膜，在该基板上形成有平坦于电流流动方向的纳米槽，在其上形成超导体层的基板表面上形成二维晶体缺陷 引入到纳米槽上的超导体层中，以及制造该超导膜的方法。 本发明的低成本且具有非常高的Jc的本发明的超导膜可用于诸如电缆，磁体，屏蔽，限流器，微波器件和这些制品的半成品的应用中。
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