Patents Examined by Kallambella Vijayakumar
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Patent number: 8716188Abstract: A superconducting article includes first and second stacked conductor segments. The first stacked conductor segment includes first and second superconductive segments and has a nominal thickness tn1. The second stacked conductor segment includes third and forth superconductive segments and has a nominal thickness tn2. The superconducting article further includes a joint region comprising a first splice connecting the first and third superconductive segments together and a second splice connecting the second and forth superconductive segments together. The first splice is adjacent to and bridged portions of the first and third superconductive segments along at least a portion of the joint region, and the second splice is adjacent to and bridged portions of the second and forth superconductive segments along at least a portion of the joint region. The joint region has a thickness tjr, wherein tjr is not greater than at least one of 1.8tn1 and 1.8tn2.Type: GrantFiled: September 15, 2010Date of Patent: May 6, 2014Assignee: SuperPower, Inc.Inventors: Yi-Yuan Xie, Kenneth P. Lenseth, Justin Waterman, Venkat Selvamanickam
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Patent number: 8716189Abstract: A method of producing a superconductive material involves the step (1) of applying a solution of an organic compound of metals, oxides of the metals forming a superconductive material, onto a support body to be subsequently dried, a provisional baking step (2) of causing organic components of the organic compound of the metals to undergo thermal decomposition, and a main baking process step (3) of causing transformation of the oxides of the metals into the superconductive material, thereby producing an epitaxially-grown superconductive coating material, wherein at the time of irradiation of a surface of the support body coated with the solution of the organic compound of the metals for forming the superconductive material, and/or of a surface of the support body, opposite to the surface coated with the solution of the organic compound of the metals, with the laser light, during a period between the steps (1) and (2).Type: GrantFiled: February 5, 2008Date of Patent: May 6, 2014Assignees: National Institute of Advanced Industrial Science and Technology, The Japan Steel Works, Ltd.Inventors: Mitsugu Sohma, Tetsuo Tsuchiya, Toshiya Kumagai, Kenichi Tsukada, Kunihiko Koyanagi, Takashi Ebisawa, Hidehiko Ohtu
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Patent number: 8712490Abstract: A conductor for transmitting electrical power having a cylindrical core (1) clad with a strip of metallic material (2), possibly comprising a superconductor, placed, in the shape of a tube, longitudinally around said core (I), its longitudinal edges being welded to each other along a weld seam (3). The core (1) has a slot (4, 4?) placed under said weld seam (3).Type: GrantFiled: October 18, 2011Date of Patent: April 29, 2014Assignee: NexansInventors: Christian-Eric Bruzek, Arnaud Allais, Claus-Friedrich Theune
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Patent number: 8703651Abstract: A composition of matter for a layered ionic superconductor comprising a plurality of layers of ions and electronic interaction charges, and having a substantially improved superconducting transition temperature is described. An aspect of the composition includes a first layer comprising a plurality of alkali ions and cesium ions in particular that is adjacent to a second layer comprising a plurality of halogen ions and fluorine ions in particular. The first and second layers contain electronic interaction charges and are separated by a predetermined perpendicular distance. Crystalline structure, ionic properties, superconducting transition temperature, and superfluid density for several embodiments including companion ionic species are described and illustrated. Methods for preparing the several embodiments are provided.Type: GrantFiled: July 6, 2012Date of Patent: April 22, 2014Inventors: Dale Richard Harshman, Anthony Thomas Fiory
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Patent number: 8696941Abstract: The invention relates to a material for applying thin organic layers having a specifically adjustable conductivity. Said material comprises at least one mixture of two different fractions of a functional polymer, preferably in a solvent, and is used, for example, with the aid of various application techniques, as a functional layer for an organic electronic component.Type: GrantFiled: January 5, 2011Date of Patent: April 15, 2014Assignee: Merck Patent GmbHInventors: Christoph Josef Brabec, Karsten Heuser, Henning Rost
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Patent number: 8700110Abstract: A rolled superconducting article includes: a cylindrical bobbin having a post in a cylindrical shape; a superconducting strip wound on the cylindrical bobbin in a rolled shape with a predetermined tension applied, wherein the superconducting strip is formed of a superconducting thin film, which is coated with a metal coating layer on a facing surface of the superconducting thin film, and a stabilizing substrate wound on the superconducting strip, wherein the stabilizing substrate is coated with a metal coating layer on a facing surface of the stabilizing substrate; an anti-bonding substrate wound on an outer surface of the stabilizing substrate with a predetermined tension applied; wherein the superconducting thin film is thermally adhered to the stabilizing substrate by heat-treating the rolled superconducting strip with the anti-bonding substrate wound therearound.Type: GrantFiled: May 31, 2012Date of Patent: April 15, 2014Assignee: Korea Electrotechnology Research InstituteInventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Seop Kim
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Patent number: 8685549Abstract: A nanocomposite article that includes a single-crystal or single-crystal-like substrate and heteroepitaxial, phase-separated layer supported by a surface of the substrate and a method of making the same are described. The heteroepitaxial layer can include a continuous, non-magnetic, crystalline, matrix phase, and an ordered, magnetic magnetic phase disposed within the matrix phase. The ordered magnetic phase can include a plurality of self-assembled crystalline nanostructures of a magnetic material. The phase-separated layer and the single crystal substrate can be separated by a buffer layer. An electronic storage device that includes a read-write head and a nanocomposite article with a data storage density of 0.75 Tb/in2 is also described.Type: GrantFiled: November 30, 2010Date of Patent: April 1, 2014Assignee: UT-Battelle, LLCInventors: Amit Goyal, Junsoo Shin
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Patent number: 8676282Abstract: A superconducting magnet coil support with cooling and a method for coil cooling are provided. One superconducting coil support arrangement includes a superconducting coil and at least one support beam supporting the superconducting coil and defining a tank for storing a cooling fluid therein. The superconducting coil support arrangement further includes a plurality of cooling tubes coupled to the superconducting coil and connected to the at least one support beam, wherein the plurality of cooling tubes are configured to transfer the cooling fluid therethrough.Type: GrantFiled: October 29, 2010Date of Patent: March 18, 2014Assignee: General Electric CompanyInventors: Longzhi Jiang, Clifford Ginfrida, Jr., Neil Clarke, Weijun Shen, Ernst Wolfgang Stautner, Tao Zhang, Robbi McDonald
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Patent number: 8673820Abstract: A method of qualifying Niobium and/or other super conducting materials for the reliable fabrication of SCRF cavities, which will invariably deliver high accelerating fields including: identification of the best superconducting lower critical field (HC1) based on subjecting a sample of the superconducting material selectively to mechanical stress, annealing at various temperatures, various chemical treatments, post-chemical treatment baking/annealing; and identification of the best possible thermal conductivity of the material at said best superconducting lower critical field (HC1) to thereby qualify the superconducting material for the reliable fabrication of SCRF cavities adapted to deliver high accelerating fields.Type: GrantFiled: October 26, 2007Date of Patent: March 18, 2014Assignee: Department of Atomic EnergyInventors: Sindhunil Barman Roy, Vinod Chandra Sahni
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Patent number: 8670807Abstract: A computer system employs a network that between a data programming system and one or more superconducting programmable devices of a superconducting processor chip. Routers on the network, such as first-, second- and third-stage routers direct communications with the superconducting programmable devices. A superconducting memory register may load data signals received from a first-stage router into corresponding superconducting programmable devices. The system may employ additional superconducting chips, first-, second- or third-stage routers.Type: GrantFiled: August 18, 2008Date of Patent: March 11, 2014Assignee: D-Wave Systems Inc.Inventors: Geordie Rose, Paul I. Bunyk
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Patent number: 8668845Abstract: A method for preparing an electrostatic dissipative polymer and a blend of a thermoplastic polymer and the ESD polymer is disclosed. The method for preparing an electrostatic dissipative polymer includes the step of polymerizing the electrostatic dissipative polymer in the presence of a reactive solvent and lithium salt dissolved in the reactive solvent, wherein the amount of the reactive solvent is from 0.1 to 20 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, the amount of lithium salt is from 0.1 to 5 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, and the reactive solvent is aliphatic glycol having from 2 to 8 carbon atoms and having a primary alcohol group, or aromatic glycol having from 6 to 10 carbon atoms.Type: GrantFiled: October 22, 2010Date of Patent: March 11, 2014Assignee: Lubrizol Advanced Materials, Inc.Inventors: Chang-Min Suh, Tae-Woong Lee, Dong-Sik Kim
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Patent number: 8670808Abstract: A system is specified having at least one superconducting cable (SK) which has at least one superconducting conductor (2), and having a cryostat (KR) which surrounds the same and has two metallic tubes, an inner tube (6) and an outer tube (7), which are arranged concentrically at a distance from one another, are corrugated transversely with respect to their longitudinal direction and between which vacuum insulation (8) is arranged. The cable (SK) has a central tubular support (1) for passing a coolant through, on which the superconducting conductor (2) rests. The cable (SK) is surrounded all around by a buffer layer (5) which protects the same against mechanical damage and consists of insulating material, and the inner tube (6) of the cryostat (KR) at least rests in a sealed manner on the buffer layer (5).Type: GrantFiled: October 29, 2010Date of Patent: March 11, 2014Assignee: NEXANSInventors: Rainer Soika, Mark Stemmle
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Patent number: 8658571Abstract: The invention relates to a method for the wet chemical production of an HTSL on a carrier, wherein an HTSL precursor solution comprising no trifluoroacetate may be utilized if the same is heated to a temperature Ts during the heat treatment of the HTSL precursor, wherein the remaining substances of the HTSL precursor solution form at least a partial melt, which is below the temperature at which RE2BaCuOx is formed, and which is deposited from the liquid phase while forming a peritectic.Type: GrantFiled: March 18, 2010Date of Patent: February 25, 2014Assignee: BASF SEInventors: Isabel van Driessche, Pieter Vermeir, Serge Hoste, Michael Baecker
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Patent number: 8652347Abstract: Provided are new compositions of ruthenates in the pervoskite and layered pervoskite family, wherein the ruthenate compositions exhibit large magnetoresistance (MR) and electric-pulse-induced resistance (EPIR) switching effects, the latter observable at room temperature. This is the first time large MR and EPIR effects have been shown together in ruthenate compositions. Further provided are methods for synthesizing the class of ruthenates that exhibits such properties, as well as methods of use therefor in electromagnetic devices, thin films, sensors, semiconductors, insulators and the like.Type: GrantFiled: April 23, 2007Date of Patent: February 18, 2014Assignee: The Trustees of the University of PennsylvaniaInventors: I-Wei Chen, Alexander Mamchik
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Patent number: 8653005Abstract: This invention provides a method of making a fluorinated precursor of a superconducting ceramic. The method comprises providing a solution comprising a rare earth salt, an alkaline earth metal salt and a copper salt; spraying the solution onto a substrate to provide a film-covered substrate; and heating the film-covered substrate in an atmosphere containing fluorinated gas to provide the fluorinated precursor.Type: GrantFiled: June 8, 2012Date of Patent: February 18, 2014Assignee: Brookhaven Science Associates, LLCInventors: Harold Wiesmann, Vyacheslav Solovyov
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Patent number: 8649834Abstract: A layered superconductor device includes multiple layers of a single crystal superconducting material having intermittent layers of superconducting material dispersed in a pattern with a second material such that each layer of the multiple layers a single crystal superconducting material are interconnected via superconducting material, allowing for a continuous current path, and a thickness of the superconducting material never exceeds a first predetermined thickness.Type: GrantFiled: September 13, 2012Date of Patent: February 11, 2014Assignee: The United States of America as represented by the Secretary of the NavyInventor: Thomas O. Jones
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Patent number: 8644899Abstract: A coated conductor with a substantially round cross section has a high temperature superconductor layer which is sandwiched between an inner substrate layer and an outer substrate layer to place the high temperature superconductor layer in the region of neutral strain axis.Type: GrantFiled: July 15, 2010Date of Patent: February 4, 2014Assignee: NexansInventors: Arnaud Allais, Mark O. Rikel, Jürgen Ehrenberg, Christian-Eric Bruzek
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Patent number: 8633137Abstract: Disclosed herein is a high-temperature superconducting tape, including: a substrate; a buffer layer formed on the substrate; and a high-temperature superconducting layer formed on the buffer layer, wherein the substrate is made of SUS310s or stainless steel containing 0.01-1% of silicon (Si) and 1-5% of molybdenum (Mo) and has an average metal crystal grain size of 12 ?m or less, and the high-temperature superconducting layer is made of a ReBCO (ReBa2Cu3O7, Re=Nd, Sm, Eu, Gd, Dy, Ho, Y)-based superconductive material. The high-temperature superconducting tape is advantageous with the result that a high-grade superconducting layer can be deposited on the thin buffer layer and thus the critical current density of the high-temperature superconducting tape can be improved, thereby remarkably improving the characteristics of the high-temperature superconducting tape.Type: GrantFiled: September 7, 2011Date of Patent: January 21, 2014Assignee: Korea Electrotechnology Research InstituteInventors: Hong Soo Ha, Sang Soo Oh, Ho Sup Kim
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Patent number: 8630690Abstract: A method of compensating for thermal contraction of superconducting and cryo-resistive cables. The method includes the steps of determining a compensation length for a cable such that when the cable is subjected to an operating temperature, the cable is in or near a stress-free state, and installing the cable into a pipe such that portions of the cable extend outwardly past ends of the pipe. The method further includes the steps of marking each end of the cable such that the determined compensation length is visibly shown, forcing the cable into the pipe at an ambient installation temperature such that a cable pattern is formed therein, and maintaining the cable in the pipe to prevent the cable from being pushed out of the pipe.Type: GrantFiled: May 5, 2009Date of Patent: January 14, 2014Assignee: Electric Power Research Institute, Inc.Inventor: Brian Gregory
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Patent number: 8630687Abstract: In one aspect, a method is disclosed of making a material, the method including synthesizing a composition Sr2RuO4-ySy where y is in the range of, e.g., 0.1-1.2. In some embodiments y is in the range of 0.1-0.6. In some such embodiments, the material may exhibit a strong diamagnetic signal, e.g. of up to 5% of absolute diamagnetism (?=?¼?) or more (e.g., at temperatures ranging from 4K-300K). In some embodiments, the material may exhibit high temperature superconductivity.Type: GrantFiled: September 28, 2012Date of Patent: January 14, 2014Assignee: AVD ConductionInventors: Armen Gulian, Vahan Nikoghosyan, Dennis Winegarner