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| Number | Title | Issue Date |
| 7964532 | RE123-based oxide superconductor and method of production of same An RE123-based oxide superconductor characterized by comprising a conductive layer containing an REBa2Cu3O7-δ-based oxide superconductor formed using a mixed material of at least RE2BaO4 and a Bax—... | 06/21/2011 |
| 7655601 | Enhanced melt-textured growth A method for the enhanced melt-textured growth of superconducting crystals is disclosed for a sample having a first material capable of exhibiting superconducting properties. The sample is heated above a peritectic temperature of the first material, cooled below the... | 02/02/2010 |
| 7541313 | Method for producing MgBsuperconductor A alloy (Mg—X) of metal (X) and Mg in a liquid phase is made to react with B in a solid phase at a low temperature to manufacture a superconductor, which contains a large amount of MgB2 potential for MRI, linear motorcar, superconducting cavity, electri... | 06/02/2009 |
| 7352267 | Cylindrically shaped superconductor component and its use as resistive current limiter The present invention is directed to a cylindrically shaped superconductor component particularly useful as resistive current limiter composed of a cylindrical superconductor body, in particular of high temperature superconductor material, provided vertically to its... | 04/01/2008 |
| 7338921 | MgB2 superconductor and method for preparation thereof An electrode is steeped in a solution of Mg and B and a negative voltage is applied to the electrode so as to precipitate superconductive MgB2 on the electrode. Superconductive MgB2 is easily manufactured in various forms and at low costs witho... | 03/04/2008 |
| 7220706 | Enhanced melt-textured growth A method for the enhanced melt-textured growth of superconducting crystals is disclosed for a sample having a first material capable of exhibiting superconducting properties. The sample is heated above a peritectic temperature of the first material, cooled below the... | 05/22/2007 |
| 7175794 | Method for manufacturing a pressed part from a soft magnetic composite material A method for manufacturing a pressed part from a soft magnetic composite material. A starting mixture is provided that includes an iron powder and an auxiliary pressing agent. The starting mixture is pressed to form a pressed part and annealed at temperatures betwee... | 02/13/2007 |
| 7152302 | Superconductor connection structure A method of producing an electrical connection structure between at least two superconducting lines. The method comprises adding metal powder or alloy powder to a superconducting material comprising magnesium diboride, intervening the superconducting material betwee... | 12/26/2006 |
| 7132162 | Superconducting coil and superconducting apparatus A method of manufacturing an oxide superconducting wire which can manufacture the longest possible wire by connecting relatively short wires with each other and is capable of suppressing reduction of a critical current resulting from influence by strain when the wir... | 11/07/2006 |
| 7008906 | Oxide high-critical temperature superconductor acicular crystal and its production method The present invention relates to a defect-free oxide high-critical temperature superconductor acicular crystal, that is, an oxide high-critical temperature superconductor acicular crystal that is substantially a perfect crystal and also relates to a method for produ... | 03/07/2006 |
| 7001870 | Method for joining oxide superconductors and joined oxide superconductor The present invention provides a method for joining an RE123 oxide superconductor matrix obtained by a melt process by the use of a solder material. The (110) plane of an RE123 oxide superconductor matrix obtained by a melt process is used as the plane to be joined,... | 02/21/2006 |
| 6994894 | Method and system for thick-film deposition of ceramic materials A method of depositing a solid film on a substrate in which a stream comprising particles suspended in a transport gas is moved through a heating zone. The particles are combined with the transport gas from a powder feeder operatively coupled to a gas flow tube. The... | 02/07/2006 |
| 6960554 | Method of making a BSCCO superconductor article A method of making an oxide superconductor article includes converting an oxide superconducting precursor into an oxide superconductor by thermo-mechanical processing using intermediate rolling deformation and heat treatment (including liquid-phase sintering and low... | 11/01/2005 |
| 6894006 | Method for forming bismuth-based superconducting ceramics A method for reducing the concentration of non-superconducting phases during the heat treatment of Pb doped Ag/Bi-2223 composites having Bi-2223 and Bi-2212 superconducting phases is disclosed. A Pb doped Ag/Bi-2223 composite having Bi-2223 and Bi-2212 superconducti... | 05/17/2005 |
| 6787504 | Mgb2 single crystal and its production method, and superconductive material containing mgb2 single crystal The invention is intended to establish means for manufacturing MB2 single crystals and to provide a useful superconductive material (wire rod and so forth) taking advantage of anisotropic superconductive properties thereof. A mixed raw material of Mg and ... | 09/07/2004 |
| 6713437 | Pressure heat treatment apparatus employed for preparing oxide superconducting wire The method of preparing an oxide superconducting wire comprises steps of preparing a wire by coating raw material powder for a Bi—Pb—Sr—Ca—Cu—O based oxide superconductor including a 2223 phase with a metal and heat treating the wire in a pressurized atmos... | 03/30/2004 |
| 6699820 | Method for making a superconductor with enhanced current carrying capability The present invention concerns the improvement of the supercurrent carrying capabilities, i.e. the increase of critical current densities, of bicrystalline or polycrystalline superconductor structures, especially of high-Tc superconductors. By ... | 03/02/2004 |
| 6569811 | Enhancement of JC in oxide superconductors The present invention comprises novel materials comprising composite high-Tc superconductors which contain a dispersion of precipitates and structural defects and thereby exhibit enhanced flux pinning and enhanced critical current in the superconducting s... | 05/27/2003 |
| 6559103 | Method for producing superconducting oxide compounds A process is provided for preparing solid superconducting mixed-metal oxides whereby the superconductor can be formed into any predetermined shape by way of viscous sol precursors. The superconductors are also formed by this process into homogeneous phase... | 05/06/2003 |
| 6410487 | Large area bulk superconductors A bulk superconductor having a thickness of not less than about 100 microns is carried by a polycrystalline textured substrate having misorientation angles at the surface thereof not greater than about 15°; the bulk superconductor may have a thickness of... | 06/25/2002 |
| 6365553 | Oxide superconductor having excellent crack-resistant property and process of producing same The invention provides an oxide superconductor capable of sufficiently withstanding external forces such as a large electromagnetic force and thermal stresses accompanying rapid heating and cooling while in service, and internal stresses so as to be able ... | 04/02/2002 |
| 6258754 | Large, strongly linked superconducting monoliths and process for making the same A process which relies on a joining technique between two individual strongly linked superconductors is disclosed. Specifically, this invention relates to fabrication of single domains of YBa2 Cu3 Ox or YBa2 Cu | 07/10/2001 |
| 6258753 | Process for producing optimized melt-textured bodies based on the high-temperature superconductor YBa2Cu3O7 (YBCO) The invention concerns a process for producing optimized melt-textured volume samples based on the high temperature superconductor YBa2 Cu3 O7 (YBCO) for use in contact-free self-stabilizing magnetic bearings. The object o... | 07/10/2001 |
| 6256521 | Preferentially oriented, High temperature superconductors by seeding and a method for their preparation A multi-domained bulk REBa2 Cu3 Ox with low-angle domain boundaries which resembles a quasi-single domained material and a method for producing the same comprising arranging multiple seeds, which can be small single crysta... | 07/03/2001 |
| 6255255 | Oxide superconducting material and method of producing the same An oxide superconducting material includes a REBa2 Cu3 O7-x phase (RE designating one or a combination of two or more rare earth elements including Y), particles composed of Ce, Ba, Cu and O dispersed therein, and RE2... | 07/03/2001 |
| 6243598 | Method of preparing rare earth-barium cuprates superconductors A method of preparing a rare earth-barium-cuprate superconductor in the form of metallic tapes or wires, using a thick film or powder-in-tube process by supporting on a metallic substrate a mixture of seed crystals or aligned platelets of rare earth-bariu... | 06/05/2001 |
| 6136756 | Method for manufacturing of high temperature superconductor material The high temperature superconducting material is made from a base material having two opposing surfaces and including a high purity yttrium barium copper oxide compound having a YBa2 Cu3 O7-x (123) composition with silver ... | 10/24/2000 |
| 6083886 | Method of preparing oxide superconducting bulk body Provided is a method of preparing a large-sized oxide superconducting bulk body having excellent characteristics and high homogeneity. The method is adapted to prepare an oxide superconducting bulk body by melt growth through a seed crystal method, and co... | 07/04/2000 |
| 6046139 | Making large, single crystal, 123 YBCO superconductors We make large (in excess of 2 cm in diameter), single crystal YBa2 Cu3 O7-x [123 YBCO] crystals, where xࣘ0.6, in a seventeen step process or some variant thereof from finely ground and well mixed 123 YBCO and 211 YBCO po... | 04/04/2000 |
| 6034036 | Method of manufacturing oxide superconductors The present invention is aimed to provide a means for manufacturing a RE123 system oxide superconductor showing good superconductivity characteristics under atmospheric ambiance. In a method of manufacturing a RE123 system oxide superconductor by melting,... | 03/07/2000 |
| 6013608 | Process for texturing an HTc superconductor and superconductor made by the process A process for texturing an HTc superconductor of the matrix type based on silver and the superconductor material (Bi1-x Pbx)2 Sr2 Cay Cu1+y O6+2y where x&3xb5;[0; 0,4] and y&3xb5... | 01/11/2000 |
| 6008162 | Production method of oxide superconductive film The present invention can provide an oxide superconductive film with a smooth surface and at homogeneous thickness on a simple substrate structure at a high film formation rate. In a liquid phase epitaxial growth method for producing an ReBa2 C... | 12/28/1999 |
| 5998338 | Method for preparing oxide superconductors There is provided a method for stably preparing rare earth (RE) 123 type oxide superconductors exhibiting outstanding superconductive properties in the atmosphere. In the method for preparing RE 123-type oxide superconductors by melting, cooling and solid... | 12/07/1999 |
| 5999833 | Method for production of superconducting oxide tape and superconducting oxide tape produced thereby A method for the production of a superconducting oxide tape having a Bi2 Sr2 Ca2 Cu3 O10 (Bi-2223) structure interposed between silver sheets, which method consists essentially of preparing a sandwich... | 12/07/1999 |
| 5981442 | Neodymium-barium-copper-oxide bulk superconductor and process for producing the same An Nd-Ba-Cu-O bulk superconductor includes oxide including metallic elements of neodymium (Nd), barium (Ba) and copper (Cu), and has a structure in which fine particles of Nd4 Ba2 Cu2 O10 (i.e., Nd422) are dispe... | 11/09/1999 |
| 5968878 | Oxide superconductor and method of producing same A high critical temperature and high critical current density superconductor containing a matrix phase of a metal oxide expressed by the formula RE1 Ba2 Cu3 Op wherein RE1 stands for La, Nd, Sm, Eu or... | 10/19/1999 |
| 5962374 | Preparation of oxide crystals A process for preparing an oxide crystal by means of solution growth in the presence of a solvent is provided. The solvent includes a mixture of an oxide containing at least one member of those elements which constitute the oxide crystal, a halide contain... | 10/05/1999 |
| 5958843 | Oxygen annealing process for bulk superconductors A bulk superconductor is produced by subjecting REBa2 Cu3 Oy oxide to oxygen annealing after many holes have been formed in the oxide body.... | 09/28/1999 |
| 5958842 | Melt processing of Bi--2212 superconductors using alumina Superconducting articles and a method of forming them, where the superconducting phase of an article is Bi2 Sr2 CaCu2 Oy (Bi-2212). Alumina is combined with Bi-2212 powder or Bi-2212 precursor powder and, in ord... | 09/28/1999 |
| 5945384 | Process for producing tubular moldings from high-temperature superconducting material In order to produce tubular moldings of high-temperature superconducting material based on oxides of bismuth, calcium, strontium, copper and optionally lead, a homogeneous melt of the oxide mixture in a predefined stoichiometry having temperatures from 90... | 08/31/1999 |
