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| Number | Title | Issue Date |
| 7572754 | High temperature superconductor material of BSCCO system and starting composition therefore A high temperature superconductor material of BSCCO-family is provided wherein parts of Sr of the superconducting phases is substituted by Ba. ... | 08/11/2009 |
| 7358212 | Method for producing multinary metal oxide powders in a pulsed reactor The invention relates to a method for producing a one-part, multinary metal oxide power which is suitable for producing high-temperature superconductors. To this end, a mixture of the corresponding metal salts and/or metal oxides and/or metals in the requisite stoic... | 04/15/2008 |
| 7231239 | Super conducting cable conductor with rebco-coated conductor elements The present invention relates to a superconducting cable conductor which contains a carrying element, on which is wound at least one layer comprising two or more superconducting conductor elements, the individual conductor elements of each layer being arranged next ... | 06/12/2007 |
| 7149560 | Superconducting cable and superconducting cable line A superconducting cable includes a first conductor layer formed of superconducting wires, and an insulating layer formed at the outer periphery of the first conductor layer. The first conductor layer is an assembly of a plurality of superconducting wires obtained by... | 12/12/2006 |
| 7132388 | High-temperature oxide superconductor The present invention provides a high-temperature oxide superconductors, which comprises an oxide expressed as (Bi1-xAx)—B—C—Cu oxide (where, A is Sb and/or AS; B and C are elements different from each other, each being one or more elemen... | 11/07/2006 |
| 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 |
| 6869915 | Chemical pinning centers for high temperature superconductors An oxide superconductor includes a textured superconducting material including an array of defects, where the defects are a compound of two elements foreign to the superconductor, plus other elements native to the superconductor. The two foreign elements include one... | 03/22/2005 |
| 6855670 | Superconducting bismuth-strontium-calcium-copper oxide compositions and process for manufacture Compositions having the nominal formula BiaSrbCacCu3Ox wherein a is from about 1 to 3, b is from about ⅜ to 4, c ... | 02/15/2005 |
| 6812191 | Superconducting bodies made of zinc-doped copper oxide material Superconductive bodies composed of cuprate material having a very critical current density with outer magnetic fields of up to 5 tesla when the bodies have a content of zinc cations. The bodies can also be subjected to modified oxygen treatment. The preferred cuprat... | 11/02/2004 |
| 6809042 | Oxide superconductor thick film and method for manufacturing the same The present invention provides an oxide superconductor thick film which is formed on a substrate or a board and has a high Jc and Ic and a method for manufacturing the same. Predetermined amounts of materials containing elements of Bi, Pb, Sr, Ca and Cu are weighed,... | 10/26/2004 |
| 6784138 | Critical doping in high-Tc superconductors for maximal flux pinning and critical currents A method for maximising critical current density (Jc) of high temperature superconducting cuprate materials (HTSC) which comprises controlling the doping state or hole concentration of the materials to be higher than the doping state or hole concentration... | 08/31/2004 |
| 6767866 | Selective reduction type high temperature superconductor and methods of making the same Proposed are a selective reduction type high temperature superconductor and methods of making the same, the superconductor having a pair of charge supply layers each formed of a Cu1-xMx surface (1, 1), a first superconducting layer formed of a 5-coordination ... | 07/27/2004 |
| 6686319 | Metal oxide materials The invention provides certain novel metal oxide materials which exhibit superconductivity at elevated temperatures and/or which are useful in electrode, electrolyte, cell and sensor applications, or as electrochemical catalysts. The metal oxide materials... | 02/03/2004 |
| 6677278 | Pb-Bi-Sr-Ca-Cu-oxide powder mix with enhanced reactivity and process for its manufacture An Oxide Precursor Powder from the Pb--Bi--Sr--Ca--Cu--O 2223 System can be produced by heat treating powder, produced using the Spray Pyrolysis Process as described in: GB2210605 or EP0681989 between 700° C. and 850° C. in an atmosphere containing betw... | 01/13/2004 |
| 6653259 | Fabrication of large bulk high temperature superconducting articles A method of fabricating large bulk high temperature superconducting articles which comprises the steps of selecting predetermined sizes of crystalline superconducting materials and mixing these specific sizes of particles into a homogeneous mixture which ... | 11/25/2003 |
| 6620768 | Production and processing of (Bi, Pb)SCCO superconductors A novel process of the production and processing of high quality, high Tc (Bi,Pb)SCCO superconductors starts with fabrication of a precursor article including selected intermediate phases with desired chemical and structural properties. The pre... | 09/16/2003 |
| 6602622 | Superconducting parts, manufacturing method thereof and dielectric resonator A dielectric ceramic oxide substrate in combination with superconducting film containing Ba can be used to form a dielectric resonator which has a high no-load Q factor at a high frequency and satisfactory superconducting characteristics.... | 08/05/2003 |
| 6569360 | Method of preparing metal matrix composite with textured compound The present invention provides a generic method of preparing a metal matrix composite with a textured compound. A "roller-skate" structure starting powder with a mixture of plate-like particles and smaller particles provides better flow compatibility, hig... | 05/27/2003 |
| 6525002 | Textured high-temperature superconductors An oxide superconductor includes a textured superconducting material including an array of defects with a neutron-fissionable element, or with at least one of the following chemical elements: uranium-238, Nd, Mn, Re, Th, Sm, V, and Ta. The array of defect... | 02/25/2003 |
| 6482775 | Oxide superconductor An oxide superconductor consisting of an oxide which comprises, as constituent metal elements, bismuth, lead, strontium, calcium and copper having a molar ratio of lead to bismuth of at least 0.2:1, and having an internal structure in which domains having... | 11/19/2002 |
| 6444620 | High temperature superconductor having low superconducting anisotropy and method for producing the superconductor A high-temperature superconductor having low superconducting anisotropy includes a two-dimensional layered structure of crystal unit cells each consisting of a pair of superconducting layer and charge reservoir layer. At least a portion of the atoms of th... | 09/03/2002 |
| 6306351 | Nitrogen oxides detection method, and sensor element for detection of nitrogen oxides The present invention relates to a nitrogen oxide detecting element. Although there has been a demand for effecting detection of a nitrogen oxide by using a semiconductor type gas sensor, no semiconductor type sensors have existed which can detect the nit... | 10/23/2001 |
| 6305070 | Performance of oxide dispersion strengthened superconductor composites The invention features high performing composite superconducting oxide articles that can be produced from OPIT precursors substantially without poisoning the superconductor. In general, the superconducting oxide is substantially surrounded by a matrix mat... | 10/23/2001 |
| 6300284 | Copper-based high-temperature superconducting material A copper-based high-temperature superconducting material includes a carrier supply layer overdoped with carriers; and a superconducting layer comprised of at least three CuO2 layers that are selectively doped with the carriers; whereby a high s... | 10/09/2001 |
| 6295716 | Production and processing of (Bi,Pb) SCCO superconductors A multicomponent powder useful in the formation of BSCCO-2223 is provided comprised of orthorhombic BSCCO-2212 and alkaline earth cuprate, without formation of undesirable secondary phases such as alkaline earth bismuthates and alkaline earth plumbates. A... | 10/02/2001 |
| 6276048 | Method of producing oxide superconductor A method of producing a Bi--Pb--Sr--Ca--Cu oxide superconductor by thermally treating raw material comprises steps of performing first plastic deformation on the raw material, performing first heat treatment on the material being subjected to the first pl... | 08/21/2001 |
| 6265019 | Process of increasing the critical temperature Tc of a bulk superconductor by making metal heterostructures at the atomic limit A method of forming Supercondtuctors with high critical temperature is described in which heterostructures at the atomic limit are realized artificially by molecular beam epitaxy, sputtering, lithography, chemical synthesis, electrochemical deposition or ... | 07/24/2001 |
| 6251530 | Thin-film of a high-temperature superconductor compound and method A thin-film of a high temperature superconducting compound having the formula M1-x CuO2-y, where M is Ca, Sr, or Ba, or combinations thereof, x is 0.05 to 0.3, and x>y. The thin film has a Tc (zero resistivity) of about 40... | 06/26/2001 |
| 6246007 | Oxide superconductive wire and process for manufacturing the same A clad superconductive wire or tape of an oxide superconductive material and a silver-copper alloy base containing 0.05-90 atomic % copper or a silver alloy. The silver-copper alloy base contains one or more elements selected from the group of Zr, Hf, Al,... | 06/12/2001 |
| 6216333 | Oxide superconductor current lead and method of manufacturing the same An oxide superconductor current lead provided with a rod-like or pipe-like oxide superconductor, at each of end parts of which a metallic electrode is formed. In this oxide superconductor current lead, the oxide superconductor is a Bi2 Sr2... | 04/17/2001 |
| 6043198 | High-Tc superconductor or precursor material for the oxide-powder-in-tube method (OPIT) The present invention relates to a process for preparing a high-Tc superconductor as a precursor material for the oxide-powder-in-tube method, which involves mixing the oxides of the elements Bi, Sr, Ca and Cu and completely melting them at tem... | 03/28/2000 |
| 5994275 | Processing of oxide superconductors An oxide superconductor article comprises silver and an oxide superconductor having the formula Bi2-y Pby Sr2 Ca2 O10+x, where 0ࣘxࣘ1.5, and 0.3ࣘyࣘ0.4, the oxide superconductor characterized by... | 11/30/1999 |
| 5962373 | Method for producing mixed metal oxide compounds A precursor is made from a plurality of materials having different vapor pressures. The precursor and a source material are placed in a closed heat treatment furnace. The source material is materials which are the same as some of the materials contained i... | 10/05/1999 |
| 5916697 | Multilayer material and device comprising this material A material formed as a film comprised of monomolecular layers (2,3,4,5) stacked on a substrate (1), wherein said film includes at least one first set (R) of layers which form an electric charge reservoir, and a second set (S) of layers which form a conduc... | 06/29/1999 |
| 5912210 | Enhancement of persistent currents in high TC superconductors There is disclosed herein an invention for increasing the current carrying capability of high-Tc superconductor materials. The inventive method includes irradiating such superconductors with light particles, such as neutrons, protons and thermal neutrons,... | 06/15/1999 |
| 5882536 | Method and etchant to join ag-clad BSSCO superconducting tape A method of removing a silver cladding from high temperature superconducting material clad in silver (HTS) is disclosed. The silver clad HTS is contacted with an aqueous solution of HNO3 followed by an aqueous solution of NH4 OH and ... | 03/16/1999 |
| 5874383 | Tibibacacuo based superconductors A high temperature superconductor system having the single phase composition TlBiBaCaCuO. The system exhibits a Tc of at least 116 K.... | 02/23/1999 |
| 5863867 | Fine-particle bi-sr-ca-cu-o having high phase purity made by chemical precipitation and low-pressure calcination method In accordance with the invention a process is provided for achieving a phase-pure BSCCO or lead doped BSCCO powder or precursor of the 2201, 2212 or 2223 phase. In this process a cation solution is intimately mixed with an anion solution and precipitation... | 01/26/1999 |
| 5851954 | Superconducting oxide-based composite material A composite based on a superconducting oxide having a high critical temperature, characterized by the fact that it is constituted by glass and said oxide, the glass being such that its vitreous transition temperature is not greater than 750K, the volume f... | 12/22/1998 |
| 5849672 | Oxide superconducting material, process for preparing the same and applications thereof Novel superconducting oxide material containing compound oxide having a composition represented by the formula: (Tl1-x Bix)1-p p !q Sry Caz Cuv Ow in wh... | 12/15/1998 |
