公开(公告)号：US5061681A

公开(公告)日：1991-10-29

申请号：US340505

申请日：1989-04-19

申请人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： C04B35/00 ,  C01G1/00 ,  C01G3/00 ,  C04B35/45 ,  C23C14/08 ,  C30B29/22 ,  H01B12/00 ,  H01B13/00 ,  H01L39/12 ,  H01L39/24

CPC分类号： H01L39/126 ,  H01L39/2419 ,  Y10S428/901 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/702 ,  Y10S505/703 ,  Y10S505/704

摘要： A now superconducting material comprising a compound oxide represented by the general formula:(Sr,.gamma.).sub.x (La,.delta.).sub.1-x .epsilon..sub.y Cu.sub.1-y O.sub.3-zin which".gamma." represents an element of IIa group of the periodic table except Sr, an atomic ratio of .gamma. to Sr being selected in a range between 1% and 90%,".delta." represents an element of IIIa group of the periodic except La, an atomic ratio of .delta. to La is selected in a range between 1% and 90%,".epsilon." represents a metal element of Vb group of the periodic table, x, y and z are numbers each satisfies ranges of 0.ltoreq.x.ltoreq.1, 0.ltoreq.y.ltoreq.1, and 0.ltoreq.z

公开(公告)号：US4900716A

公开(公告)日：1990-02-13

申请号：US195145

申请日：1988-05-18

申请人： Nobuhiko Fujita ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Nobuhiko Fujita ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： H01L39/24

CPC分类号： H01L39/2419 ,  H01L39/2464 ,  Y10S505/742

摘要： The invention is an after-treatment of a compound oxide type superconducting material by oxygen plasma to improve the superconducting property of the material. The treatment by oxygen plasma is performed while the material is heated at 500.degree. to 1,000.degree. C.The material may have a form of bulky mass or a form of a thin film deposited on a substrate by physical vapor deposition technique.

公开(公告)号：US4880773A

公开(公告)日：1989-11-14

申请号：US223634

申请日：1988-07-25

申请人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： C04B35/45 ,  H01L39/12 ,  H01L39/24

CPC分类号： C04B35/4512 ,  H01L39/126 ,  H01L39/2435 ,  Y10S505/779 ,  Y10S505/783

摘要： A now superconducting material comprising a compound oxide represented by the general formula:(Ba, .gamma.)x(.alpha.,.beta.).sub.1-x .epsilon..sub.y Cu.sub.1-y O.sub.3-zin which".gamma." represents an element of IIa group of the periodic table except Ba, an atomic ratio of .gamma. to Ba being selected in a range between 1% and 90%,".alpha." represents Y or La,".beta." represents an element of IIIa group of the periodic but is different from .alpha., an atomic ratio of .beta. to .alpha. is selected in a range between 1% and 90%,".epsilon." represents a metal element of IIIb group of the periodic table,x, y and z are numbers each satisfies ranges of 0.ltoreq.x.ltoreq.1, 0.ltoreq.y.ltoreq.1, and 0.ltoreq.z

摘要翻译： 一种现在的超导材料，其包含由以下通式表示的复合氧化物：（Ba，γ）x（α，β）1-xεyCu1-yO3-z，其中“γ”表示周期表的IIa族元素， Ba，在1％〜90％的范围内选择γ与Ba的原子比，“α”表示Y或La，“β”表示周期性的IIIa族的元素，但不同于α，原子比 β至α的选择范围为1％至90％之间，“ε”表示周期表IIIb族的金属元素，x，y和z分别为0≤x≤0.0的范围。 （Ba，γ）和（α，β）的表达意味着各元素位于晶体中的预定位置， 预定比例。

公开(公告)号：US5424282A

公开(公告)日：1995-06-13

申请号：US200540

申请日：1994-02-22

申请人： Susumu Yamamoto ,  Teruyuki Murai ,  Nozomu Kawabe ,  Tomoyuki Awazu ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Susumu Yamamoto ,  Teruyuki Murai ,  Nozomu Kawabe ,  Tomoyuki Awazu ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： B21C1/00 ,  B28B1/00 ,  C01G1/00 ,  C04B35/00 ,  C04B35/45 ,  H01B12/04 ,  H01B13/00 ,  H01L39/24

CPC分类号： H01L39/143 ,  H01L39/248 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/702 ,  Y10S505/703 ,  Y10S505/704 ,  Y10T29/49014 ,  Y10T428/31678

摘要： A process for producing a composite oxide superconducting wire is disclosed, which comprises the steps of compacting material powder for an oxide superconductor in a noble metal pipe; heating the metal pipe filled with the material powder at a temperature ranging between an upper limit corresponding to the lowest melting point of any one of constituent components in the material powder and a lower limit which is lower by 100.degree. C. than said upper limit to sinter the material powder and cooling the product at a cooling velocity of less than 50.degree. C./min, and further including a series of wire-drawing, annealing and sintering steps. Furthermore, an intermediate layer of noble metal can be interposed between the oxide superconductor and the metal pipe.

摘要翻译： 公开了一种生产复合氧化物超导线的方法，其包括在贵金属管中压制氧化物超导体的材料粉末的步骤; 在与材料粉末中的任何一种构成成分的最低熔点相对应的上限和比所述上限低100℃的下限的温度范围内加热填充有材料粉末的金属管， 烧结材料粉末并以低于50℃/ min的冷却速度冷却产品，并进一步包括一系列拉丝，退火和烧结步骤。 此外，贵金属的中间层可以介于氧化物超导体和金属管之间。

公开(公告)号：US5286712A

公开(公告)日：1994-02-15

申请号：US953861

申请日：1992-09-30

申请人： Nobuhiko Fujita ,  Tadakazu Kobayashi ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Nobuhiko Fujita ,  Tadakazu Kobayashi ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： C04B35/45 ,  H01L39/12 ,  H01L39/24 ,  H01L39/00

CPC分类号： C04B35/4512 ,  C04B35/4504 ,  H01L39/126 ,  H01L39/2419 ,  H01L39/2435 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/73 ,  Y10S505/731 ,  Y10S505/732 ,  Y10S505/742 ,  Y10S505/779 ,  Y10S505/78 ,  Y10S505/783

摘要： This invention relates to new superconducting material having a composition represented by the general formula:A.sub.u B.sub.v C.sub.w D.sub.x E.sub.yin which,"A" represents one element selected from a group consisting of IIa group and IIIa group of the Periodic Table,"B" represents one element selected from a group consisting of IIa group and IIIa group of the Periodic Table and may be same as "A","C" represents at least one element selected from a group consisting of vanadium (V), tantalum (Ta), niobium (Nb), chromium (Cr), gallium (Ga), indium (In), cadmium (Cd), tin (Sn), thallium (Tl), lead (Pb), molybdenum (Mo), tungsten (W) and zinc (Zn),"D" represents one element selected from a group consisting of Ib group, IIb group, IIIb group and VIII group of the Periodic Table,"E" represents at least one element selected from a group consisting of oxygen (O), boron (B), carbon (C), nitrogen (N), fluorine (F) and sulfur (S), andeach of "u", "v", "w" and "x" represent a number selected in a range of from 0 to 1, and "y" represent a number which is selected from a range of from 1 to 4. The superconducting material may be perovskite type oxide.

摘要翻译： 本发明涉及具有由以下通式表示的组成的新型超导材料：AuBvCwDxEy，其中“A”表示选自周期表的IIa族和IIIa族的一种元素，“B”表示选自 由周期表的IIa族和IIIa族组成的组，与“A”相同，“C”表示选自钒（V​​），钽（Ta），铌（Nb） ，铬（Cr），镓（Ga），铟（In），镉（Cd），锡（Sn），铊（Tl），铅（Pb），钼（Mo），钨（W） 中，“D”表示选自周期表的Ib组，IIb组，IIIb组和VIII组中的一种元素，“E”表示选自氧（O），硼（ B），碳（C），氮（N），氟（F）和硫（S），“u”，“v”，“w”和“x”分别表示 0到1 ，y表示从1〜4的范围选择的数。超导材料可以是钙钛矿型氧化物。

公开(公告)号：US5175140A

公开(公告)日：1992-12-29

申请号：US563687

申请日：1990-08-03

申请人： Nobuhiko Fujita ,  Tadakazu Kobayashi ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Nobuhiko Fujita ,  Tadakazu Kobayashi ,  Hideo Itozaki ,  Saburo Tanaka ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： C04B35/45 ,  H01L39/12 ,  H01L39/24

CPC分类号： C04B35/4512 ,  C04B35/4504 ,  H01L39/126 ,  H01L39/2419 ,  H01L39/2435 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/73 ,  Y10S505/731 ,  Y10S505/732 ,  Y10S505/742 ,  Y10S505/779 ,  Y10S505/78 ,  Y10S505/783

摘要： A new high Tc superconducting compound oxide material represented by the general formula:AuBvCwCuxOyin which"A" is selected from the group consisting of magnesium(Mg), calcium(Ca), strontium(Sr) and barium(Ba);"B" is selected from the group consisting of yttrium(Y), lanthanum(La), and lanthanide elements;"C" is selected from the group consisting of vanadium (V), tantalum(Ta), indium(In), and thallium(Tl), and ##EQU1##

摘要翻译： 由“A”选自镁（Mg），钙（Ca），锶（Sr）和钡（Ba）组成的组中的通式为AuBvCwCuxOy表示的新型高Tc超导复合氧化物材料; “B”选自钇（Y），镧（La）和镧系元素; “C”选自钒（V​​），钽（Ta），铟（In）和铊（T1），0 <= 1.0,0

公开(公告)号：US5122507A

公开(公告)日：1992-06-16

申请号：US189366

申请日：1988-05-02

申请人： Susumu Yamamoto ,  Teruyuki Murai ,  Nozomu Kawabe ,  Tomoyuki Awazu ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Susumu Yamamoto ,  Teruyuki Murai ,  Nozomu Kawabe ,  Tomoyuki Awazu ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： B21C1/00 ,  B28B1/00 ,  C01G1/00 ,  C04B35/00 ,  C04B35/45 ,  H01B12/04 ,  H01B13/00 ,  H01L39/24

CPC分类号： H01L39/143 ,  H01L39/248 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/702 ,  Y10S505/703 ,  Y10S505/704 ,  Y10T29/49014 ,  Y10T428/31678

摘要： A superconducting composite comprising a compound oxide type superconductor and an outer metal pipe on which said superconductor is supported, characterized in that (i) said outer metal pipe is made of at least one of metals selected from a group comprising gold, silver and platinum metals and their alloys or (ii) an intermidiate layer made of these precious metals is interposed between the compound oxide and the metal pipe.The composite may be in a form of a solid pipe or a hollow pipe having a superconducting thin layer deposited on an inner surface of the metal pipe.

公开(公告)号：US4988670A

公开(公告)日：1991-01-29

申请号：US470436

申请日：1990-01-24

申请人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Hideo Itozaki ,  Saburo Tanaka ,  Nobuhiko Fujita ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： H01L39/24

CPC分类号： H01L39/2435 ,  H01L39/2464 ,  Y10S505/731 ,  Y10S505/732 ,  Y10S505/742

摘要： A process for preparing a superconducting thin film composed of compound oxide such as YBa.sub.2 Cu.sub.3 O.sub.7-.delta. deposited on a substrate such as SrTiO.sub.3. Improvement is in that a heat-treatment of the deposited thin film is carried out in a same chamber in which the thin film of compound oxide is deposited on the substrate without taking the substrate out of said chamber.

公开(公告)号：US5686394A

公开(公告)日：1997-11-11

申请号：US71346

申请日：1993-06-03

申请人： Kenichiro Sibata ,  Nobuyuki Sasaki ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Kenichiro Sibata ,  Nobuyuki Sasaki ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： H01B12/02 ,  B32B1/08 ,  C04B35/45 ,  H01B13/00 ,  H01L39/12 ,  H01L39/24

CPC分类号： H01L39/248 ,  B32B1/08 ,  C04B35/4504 ,  C04B35/4508 ,  C04B35/4512 ,  C04B35/4521 ,  Y10T29/49014

摘要： A continuous method for manufacturing an elongated superconducting campsite composed of a superconductor consisting of compound oxided and a metal sheath surrounding the superconductor, including the steps of kneading a material powder of superconducting compound oxide with a binder, continuously shaping the resulting kneaded paste into an elongated pre-form by an extruder or by coating technlque, heating the pre-form continuously to remove said binder, wrapping the pre-form with a metallic sheet, and then subjecting the pre-form from wrapped with the metallic sheet to sintering operation to sinter said material powder.

摘要翻译： 一种用于制造由超氧化物组成的超导体和围绕超导体的金属护套组成的细长超导露营地的连续方法，包括以下步骤：将超导复合氧化物的材料粉末与粘合剂混合，将所得捏合糊料连续成型为细长的 通过挤出机预先形成或通过涂覆技术，连续加热预成型件以除去所述粘合剂，用金属片包裹预成型体，然后使用金属板包裹的预成型体进行烧结操作以烧结 所述材料粉末。

公开(公告)号：US5508257A

公开(公告)日：1996-04-16

申请号：US197564

申请日：1994-02-17

申请人： Kenichiro Sibata ,  Takeshi Yamaguchi ,  Shuji Yazu ,  Tetsuji Jodai

发明人： Kenichiro Sibata ,  Takeshi Yamaguchi ,  Shuji Yazu ,  Tetsuji Jodai

IPC分类号： H01L39/12 ,  H01B1/14 ,  H01B12/00

CPC分类号： H01L39/12 ,  H01L39/126 ,  Y10S428/93 ,  Y10S505/785

摘要： Superconducting composite comprising a matrix made of superconducting sintered mass composed of perovskite type or quasi-perovskite type oxide and metal phase dispersed in the superconducting mass with a proportion of from 10 to 70 volume % with respect to said composite. The metal phase may consist of at least one of Cu, Ag, Au, Pt, Ni and Zn or their alloys. The superconducting sintered mass may be Ba-Y-Cu-O type compound oxide.

摘要翻译： 超导复合体包含由超导烧结体构成的基体，所述超导烧结体由钙钛矿型或准钙钛矿型氧化物构成，金属相分散在所述超导体中，相对于所述复合体为10〜70体积％。 金属相可以由Cu，Ag，Au，Pt，Ni和Zn中的至少一种或它们的合金组成。 超导烧结体可以是Ba-Y-Cu-O型复合氧化物。