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31. 发明专利

JPS643057A PRODUCTION OF SUPERCONDUCTING MATERIAL 失效
公开(公告)号：JPS643057A
公开(公告)日：1989-01-06
申请号：JP6765588
申请日：1988-03-22
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： SHIBATA KENICHIRO , SASAKI NOBUYUKI , KOBAYASHI CHUICHI , ITOZAKI HIDEO , YATSU SHUJI , JODAI TETSUJI
IPC分类号： C01G3/00 , C01G1/00 , C04B35/00 , C04B35/45 , H01B12/02 , H01B13/00 , H01L39/12
摘要： PURPOSE:To obtain a superconducting material, consisting of perovskite-type oxides, capable of utilizing liquid N2 as a cooling medium and having the high critical temperature (TC), by blending oxides and salts of Ba, Dy and Cu, previ ously calcining the blend, pulverizing the calcined blend, pressing the resultant pulverized blend and normally sintering the obtained pressed compact at a temperature within a specific range. CONSTITUTION:Powders of oxides, carbonates, sulfates or nitrates of Ba, Dy and Cu having respective

32. 发明专利

JPS643056A PRODUCTION OF SUPERCONDUCTING MATERIAL 失效
公开(公告)号：JPS643056A
公开(公告)日：1989-01-06
申请号：JP6765488
申请日：1988-03-22
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： SHIBATA KENICHIRO , SASAKI NOBUYUKI , KOBAYASHI CHUICHI , ITOZAKI HIDEO , YATSU SHUJI , JODAI TETSUJI
IPC分类号： C01G3/00 , C01G1/00 , C04B35/00 , C04B35/45 , H01B12/02 , H01B13/00 , H01L39/12
摘要： PURPOSE:To obtain a superconducting material, consisting of perovskite-type oxides, capable of utilizing liquid N2 as a cooling medium and having the high critical tempera ture (TC), by blending oxides and salts of Ba, Ho and Cu, previously calcining the blend, pulverizing the calcined blend, pressing the resultant pulverized blend and nor mally sintering the obtained pressed compact at a temperature within a specific range. CONSTITUTION:Powders of oxides, carbonates, sulfates or nitrates of Ba, Ho and Cu having respective

33. 发明专利

JPS643012A SUPERCONDUCTING MATERIAL AND PRODUCTION THEREOF 失效
公开(公告)号：JPS643012A
公开(公告)日：1989-01-06
申请号：JP7395188
申请日：1988-03-28
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： YATSU SHUJI , TSUJI KAZUO , YOSHIDA KATSUTO , JODAI TETSUJI
IPC分类号： H01L39/12 , C01G1/00 , C01G3/00 , C04B35/00 , C04B35/45 , H01B12/00 , H01B13/00 , H01L39/24
摘要： PURPOSE:To obtain the titled material having uniform texture and stable critical temperature and useful as a superconductive magnet, etc., by heating and sintering a powdery mixture of an oxide of a specific element and an oxide of copper in an atmosphere having ultra-high oxygen partial pressure. CONSTITUTION:A molded material 2 is produced from a powdery mixture of a copper oxide and an oxide of one or more elements selected from the group IIIa element of the periodic table, lanthanoid element and actinoid element or from powder of a compound oxide of the above element and copper. The molded material 2 is put into a platinum capsule 1 and, as necessary, topped with MnO2 powder 3 and a high-pressure phase BN powder 4. The capsule is sintered by heating at >=400 deg.C under ultra-high pressure atmosphere having an oxygen partial pressure of 1-100 Kb to obtain a superconducting material consisting of a sintered compound oxide of formula I (A is one or more elements selected from the group IIIa element of the periodic table, lanthanoid element and actinoid element; x, y and z are numbers satisfying the formulas II, III and IV, respectively).

34. 发明专利

JPS63305535A PACKAGE FOR INTEGRATED CIRCUIT 失效
公开(公告)号：JPS63305535A
公开(公告)日：1988-12-13
申请号：JP14117987
申请日：1987-06-05
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： GOTO TOMOJI , OTSUKA AKIRA , YATSU SHUJI , JODAI TETSUJI
IPC分类号： H01L23/12 , H01L23/06
摘要： PURPOSE:To obtain an integrated circuit package, loss of which is reduced sufficiently, by forming a signal-line wiring pattern onto glass having a softening point higher than the firing temperature of a superconductor. CONSTITUTION:A signal-line wiring pattern consisting of a superconductor is shaped onto smooth glass. It is preferable that the thickness of glass extends over 1-10mum at that time. Al2O3 3 in 0.1mm thickness is baked, and glass paste having a softening point of 960 deg.C is screen-printed onto the Al2O3 according to the same pattern as a signal conductor, and baked as a process. A superconductor Y-Ba-Cu-O is screen-printed onto the glass paste and baked, and a ruthenium oxide resistor is printed between the signal-lines near a cavity and baked. One end of an electrode for the resistor is connected to the signal conductors, and the other end is connected to a grounding conductor on the surface by a through-hole. Only a pair of the signal conductors are connected to superconductors 1 on glass in 0.1mm line width in the vicinity of the cavity. Accordingly, loss can be reduced by shaping a wiring pattern onto glass.

35. 发明专利

JPS63299018A MANUFACTURE OF SUPERCONDUCTIVE MATERIAL 失效
公开(公告)号：JPS63299018A
公开(公告)日：1988-12-06
申请号：JP13423887
申请日：1987-05-29
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： NISHIKAWA TAKESHI , SUISA HIROBUMI , YAMAGUCHI KOJI , NAKAYAMA MOKICHI , MATSUMOTO JUNICHI , YATSU SHUJI , JODAI TETSUJI
IPC分类号： H01L39/12 , C01G1/00 , C04B35/00 , C04B35/45 , H01B12/06 , H01B13/00
摘要： PURPOSE:To obtain a superconductive material of a high critical temperature (Tc) having characteristics of excellent shape retention and stability by depositing raw material powder made up of mixture of specific powders on a metallic substrate and heating and sintering both of the substrate and the raw material powder. CONSTITUTION:Raw material powder which is either a powder mixture or baked powder obtained by baking and milling the powder mixture of oxide, nitride, fluoride, carbonate, nitrate, oxalate or sulfate of each of an element selected from group IIa of the periodic table, an element from group IIIa, and an element selected from groups of Ib, IIb, IIIb, IVa, and VIIIa, is deposited on a metallic substrate. Both the metallic substrate and the raw material powder are heated to sinter the raw material powder. This make it possible to form a compound oxide superconductive sintered material having a high Tc with an excellent repeatability.

36. 发明专利

JPS63285157A PRODUCTION OF SUPERCONDUCTOR 失效
公开(公告)号：JPS63285157A
公开(公告)日：1988-11-22
申请号：JP12081887
申请日：1987-05-18
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： NISHIKAWA TAKESHI , MIZUSUNA HIROBUMI , YAMAGUCHI KOJI , NAKAYAMA MOKICHI , MATSUMOTO JUNICHI , YATSU SHUJI , JODAI TETSUJI
IPC分类号： H01L39/12 , C01G1/00 , C01G3/00 , C04B35/00 , C04B35/45 , H01B12/00 , H01B13/00 , H01L39/24
摘要： PURPOSE:To obtain an oxide superconductor having uniform composition and structure, by drying sediment obtained from a solution containing a metallic salt of element of group IIa, a metallic salt of element of group IIIa and a metallic salt of one or more elements of groups Ib, IIb, IIIb, VIIIa and IVa and sintering. CONSTITUTION:An aqueous solution containing a metallic salt (e.g. SrCl2) of element A of group IIa, a metallic salt (e.g. LaCl3) of element B of group IIIa and a metallic salt (e.g. copper chloride) of element C of group Ib, etc., is prepared. Then the aqueous solution is mixed with a precipitating medium such as oxalic acid or the aqueous solution is hydrolyzed to form sediment containing the elements. Then the sediment is dried especially preferably at room temperature - 100 deg.C for

37. 发明专利

JPS63274027A MANUFACTURE OF SUPERCONDUCTIVE MATERIAL 失效
公开(公告)号：JPS63274027A
公开(公告)日：1988-11-11
申请号：JP10811687
申请日：1987-05-01
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： TOBIOKA MASAAKI , SHIMIZU YASUHIRO , YATSU SHUJI , JODAI TETSUJI
IPC分类号： H01L39/12 , C01G1/00 , C01G3/00 , C04B35/00 , C04B35/45 , H01B12/06 , H01B13/00
摘要： PURPOSE:To realize a uniform composition and a high density by making a compound oxide powder used for sintering into hyperfine particles in a so-called gas phase process. CONSTITUTION:A compound of an element alpha selected from IIa group in the periodic table, a compound of an element beta selected from group IIIa in the periodic table, and a compound of an element gamma selected from groups Ib, IIb, IIIb, VIIIa, and IVa in the periodic table are heated and transformed respectively. The resultant vapors of the compounds are oxidized in the oxidization ambiance, and the produced hyperfine particles with the particle diameter less than 100 nm are piled and heated on a base material to form into a compound oxide sintered body of a composition shown as a general formula: (alpha1-xbetax)gammaydeltaz, where alphais an element of IIa group in the periodic table, beta is an element of group IIIa in the periodic table, gamma is an element selected from group Ib, IIb, IIIb, VIIIa, and IVa, and delta is O, while x, y, and z are numbers to satisfy x=0.1-0.9, y=1.0-4.0, and 1

38. 发明专利

JPS63274026A SUPERCONDUCTIVE WIRE MATERIAL AND ITS MANUFACTURE 失效
公开(公告)号：JPS63274026A
公开(公告)日：1988-11-11
申请号：JP10811587
申请日：1987-05-01
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HARADA KEIZO , IMAI TAKAHIRO , YATSU SHUJI , JODAI TETSUJI
IPC分类号： B28B1/00 , C23C14/08 , C23C14/24 , H01B12/06 , H01B13/00
摘要： PURPOSE:To make it possible to manufacture a superconductive wire material of a high critical temperature Tc and an even composition by vacuum evaporating an oxide including Ba, Y, and Cu at a metallic inner wall, and forming a membrane of a perovskite structure oxide over the inner wall. CONSTITUTION:By carrying out a vacuum evaporation by using a mixture or an alloy including Ba, Y, and Cu as the vacuum evaporation source, a superconductive membrane of a perovskite structure oxide or a quasiperovskite structure oxide is formed on the inner wall of a metal pipe. The mixture or the alloy for the vacuum evaporation source is a sintered material made by sintering Ba, Y, and Cu powders, or an alloy made by melting such powders, and the sintered material has a better evaporation efficiency and gives a higher membrane producing speed. As the vacuum evaporation source 1, a wire material made by mixing and melting powders of Ba, Y, and Cu making the atomic ratio, Ba/(Ba+Y)=0.3, for example, is used. As the metal pipe 2, an Au pipe with the inside diameter 5.0 mm, and with the length a little shorter than the wire material of the vacuum evaporation source is used. Consequently, a superconductive wire material with the Tc much higher than that of the conventional superconductor can be manufactured easily and securely.

39. 发明专利

JPS63274024A MANUFACTURE OF SUPERCONDUCTIVE MEMBRANE 失效
公开(公告)号：JPS63274024A
公开(公告)日：1988-11-11
申请号：JP10779487
申请日：1987-04-30
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： FUJITA NOBUHIKO , ITOZAKI HIDEO , TANAKA SABURO , YATSU SHUJI , JODAI TETSUJI
IPC分类号： H01L39/24 , C01G1/00 , C23C14/08 , C23C14/24 , C23C14/32 , C30B29/22 , H01B12/00 , H01B12/06 , H01B13/00 , H01L39/12
摘要： PURPOSE:To manufacture a superconductive material membrane of a high critical temperature and an even composition by carrying out a physical vacuum evaporation with a specific alloy as a vacuum evaporation source, together with O or O2 ion beams, to form the membrane. CONSTITUTION:An alloy including an element alpha selected from groups IIa and IIIa in the periodic table, an element beta selected from groups IIa and IIIa in the periodic table including the same element as the alpha, and an element gamma selected from groups Ib, IIb, IIIb, IVa, and VIIIa in the periodic table is used as a vacuum evaporation source, and together with O or O2 ion beams, a physical vacuum evaporation is carried out to form a membrane. An alloy made by mixing Y and Ba, and mixing Cu in an excessive amount, for example, is used, the alloy target 2 and a substrate 5 are installed in a chamber 1, the inside of the chamber 1 is evacuated to a vacuum, a current is applied to a heater 6, the substrate temperature is heated to apply a high frequency power to an RF electrode and an ion generating electrode, and the membrane is produced in a forming speed 0.3 Angstrom /sec. As a result, it is made possible to produce a membrane of a superconductive oxide with the Tc much higher than the conventional superconductor.

40. 发明专利

JPS63265854A PRODUCTION OF SUPERCONDUCTIVE MATERIAL 失效
公开(公告)号：JPS63265854A
公开(公告)日：1988-11-02
申请号：JP9938387
申请日：1987-04-22
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： TAKEDA YOSHINOBU , AMANO NOBUYA , YATSU SHUJI , JODAI TETSUJI
IPC分类号： C04B35/00 , C01G1/00 , C01G3/00 , C04B35/45 , H01B12/00 , H01B13/00 , H01L39/12 , H01L39/24
摘要： PURPOSE:To prepare a superconductive material having higher Tc and Tcf by using elements of the groups IIa, IIIa, Ib, IIb, IIIb, and VIIIa of the periodic table in combination and preparing a mixture by a specified method. CONSTITUTION:Powders of nitrides, oxides, hydroxides, carbonates, sulfates, oxalates, or nitrates contg. a kind of elements alpha selected from elements of the groups IIa, IIIa, of the periodic table, a kind of element beta selected from elements of the groups IIa and IIIa (including the same element as alpha) of the periodic table, and at least one kind of element gamma selected from elements of the groups Ib, IIb, IIIb, and VIIIa of the periodic table, are mixed. The mixture is alloyed mechanically providing a compound body, and a formed body prepd. by forming the compound body is sintered at a temp. between the m.p. (Ta) of the compound body and Ta-100 deg.C, setting the m.p. (Ta) at the highest calcination temp., to obtain thus an oxide superconductive material having

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