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| Number | Title | Issue Date |
| 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 |
| 7335283 | Production method for composite oxide thin film and device therefor and composite oxide film produced thereby A method and an apparatus which permits making a composite oxide thin film excellent in crystallinity easily and at a low temperature, with the capability of controlling the basic unit cell structure as desired, and without the need for a post annealing, as well as ... | 02/26/2008 |
| 7312182 | Rare earth metal compounds for use in high critical temperature thin film super-conductors Rare earth metal containing compounds of the formula Sr2LuSbO6 and Sr2LaSbO6 have been prepared as high critical temperature thin film superconductor structures, and can be used in other ferroelectrics, pyroelectrics, piez... | 12/25/2007 |
| 7226894 | Superconducting wire, method of manufacture thereof and the articles derived therefrom Disclosed herein is method for making a wire comprising contacting a first end of a first superconducting wire with a second end of a second superconducting wire, wherein the superconducting wire comprises a superconducting filament having a superconducting composit... | 06/05/2007 |
| 7208197 | Method of depositing copper on a support A process for the deposition of copper on a support. The process includes bringing a copper precursor, in the vapor phase, into contact with a heated support, optionally in the presence of hydrogen. The copper precursor is in the form of a CuCl or CuBr composition i... | 04/24/2007 |
| 7175798 | Cutting tool insert and method for producing the same An improved cutting tool insert and a method for the preparation of such cutting tool insert, having a sintered alumina and silicon carbide whisker composite material body, comprising the steps of milling and mixing the powdered starting materials of said composite ... | 02/13/2007 |
| 7112556 | Superconducting ceramics Superconducting ceramics having relatively high critical temperatures are composed of rare earth metals, alkaline earth metals and copper. They have few defects and a limited polycrystalline interfacial area. ... | 09/26/2006 |
| 7056866 | Superconductivity in square-planar compound systems Described is a superconducting composition comprising an oxide complex of the formula [L1−xMx]aAbOy wherein L is lanthanum, lutetium, yttrium, or scandium; A is copper, bismuth, titanium, tungsten, zirconium, ... | 06/06/2006 |
| 7049548 | System and method for processing a preform vacuum vessel to produce a structural assembly A system and method for processing a preform in a vacuum vessel to produce a structural assembly are provided. The system includes a heated die set defining a cavity in which the preform can be formed, bonded, or otherwise processed. The die set is disposed in a cav... | 05/23/2006 |
| 7026271 | 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... | 04/11/2006 |
| 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 |
| 6782282 | Superconductor system 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 providing a... | 08/24/2004 |
| 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 |
| 6719924 | Superconducting device and method of manufacturing the same There is provided a superconducting device including a substrate, a first superconductor layer supported by the substrate and containing Ln, AE, M and O, and a second superconductor layer containing a material represented by a formula of (Yb1−yLn′ | 04/13/2004 |
| 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 |
| 6699819 | Mercury-containing copper oxide superconductor A superconductor having at least one Hg--M--Cu--O (M=Ba, Sr and/or Ca) superconducting film provided on a substrate and having a thickness of between 300 Å to 950 Å. The superconductor may be prepared by forming, on a substrate, a precursor laminate com... | 03/02/2004 |
| 6690957 | High temperature superconductor film, method for forming the same and superconductor element A high temperature superconductor film which is Y--Ba--Cu--O-based and formed on a dielectric substrate 10, and has a Cu composition ratio to the Ba near the upper surface of the film which is higher than a Cu composition ratio to the Ba inside the film. ... | 02/10/2004 |
| 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 |
| 6624122 | High critical current superconducting tapes Improvements in critical current capacity for superconducting film structures are disclosed and include the use of a superconducting RE-BCO layer including a mixture of rare earth metals, e.g., yttrium and europium, where the ratio of yttrium to europium ... | 09/23/2003 |
| 6606780 | Mercury-containing copper oxide superconductor and method of producing same A superconductor having at least one Hg--M--Cu--O (M=Ba, Sr and/or Ca) superconducting film provided on a substrate and having a thickness of between 300 Å to 950 Å. The superconductor may be prepared by forming, on a substrate, a precursor laminate com... | 08/19/2003 |
| 6602588 | Superconducting structure including mixed rare earth barium-copper compositions A superconductive structure including a dielectric oxide substrate and a thin layer of a rare earth-barium-copper oxide superconducting film thereon, the thin layer including at least two rare earth elements is provided.... | 08/05/2003 |
| 6537949 | Oxide superconductor and method for producing same An Hg- or Nd-based oxide superconductor comprises Ba as a constituent element and has a content of carbon as an impurity at a level of not greater than 2.0 atomic % whereby the oxide superconductor stably shows high superconducting characteristics without... | 03/25/2003 |
| 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 |
| 6506709 | Devices utilizing oriented superconducting ceramics A high Tc superconducting ceramic material is produced by a method in which a mixture of chemicals in suitable amounts is compacted into a desired form. The compacted mixture is then fired and, at the same time, an electric current is caused to pass throu... | 01/14/2003 |
| 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 |
| 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 |
| 6281171 | MG-doped high-temperature superconductor having the superconducting anisotropy and method for producing the superconductor A Mg-doped high-temperature superconductor having low superconducting anisotropy includes a two-dimensional layered structure constituted by a charge reservoir layer and a superconducting layer, wherein some or all atoms constituting the charge reservoir ... | 08/28/2001 |
| 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 |
| 6239080 | Ba-Ca-Cu-O compositions superconducting at up to 126K and methods for making same A material having a superconducting transition temperature (Tc) of 126 K under ambient pressure has been identified. The superconducting material belongs to a Ba--Ca--Cu--O compound family where the cation ratio of Ba:Ca:Cu is 2:2.5+0.5:3.5&#b1... | 05/29/2001 |
| 6126855 | Reaction products of lyotropic liquid crystal salt complexes The invention provides superior reaction products of copper, especially ultra-clean copper and polymeric chemical complexes. The polymers are unusual in that they provide polymeric systems of extensive conjugated double bond networks well suited for elect... | 10/03/2000 |
| 6063735 | Superconductor mixture A mixture suitable for the production of melt-processed high-temperature superconductors capable of producing a high levitation force. The mixture contains YBa2 Cu3 O7-x powder with a very low content of copper oxide, i.e.... | 05/16/2000 |
| 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 |
| 6038461 | Plastically deformable high temperature superconductive material and method of manufacturing formed body thereof There are disclosed a high temperature superconductive material which can be plastically deformed, processed optionally into predetermined configurations and industrially mass produced and a method of manufacturing a formed body of the high temperature su... | 03/14/2000 |
| 5972845 | High critical temperature superconductors in the system La3-z . Me.subz Ba3 Ca1-v Ncv Cu7 O16+x where Me=a rare earth or alkaline metal ION and Nc is a Mg, Cd ION Compounds of the of the general formula La3-z Mez Ba3 Ca1-v Ncv Cu7 O16+x, wherein Me can be a rare earth metal or an alkaline metal ion selected from the group consisting of ytt... | 10/26/1999 |
| 5952268 | Superconductor material and a method of preparing superconductor materials The present invention relates to method of preparing a superconductor material consisting in preparing a precursor constituted by a powder of Ba2 Can-1 Cun+1 Ox or Ba2 Can-1 Cun+1 ... | 09/14/1999 |
| 5919735 | High temperature superconductor A high temperature superconductor which has a layered crystal structure, which has a superconducting transition temperature, Tc, of 110 K or more, and which has a composition expressed by: Cu1-z M'z Ae2 Cax-1 Cu... | 07/06/1999 |
| 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 |
