Patents Examined by Kallambella Vijayakumar
  • Patent number: 8716188
    Abstract: 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: Grant
    Filed: September 15, 2010
    Date of Patent: May 6, 2014
    Assignee: SuperPower, Inc.
    Inventors: Yi-Yuan Xie, Kenneth P. Lenseth, Justin Waterman, Venkat Selvamanickam
  • Patent number: 8716189
    Abstract: 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: Grant
    Filed: February 5, 2008
    Date of Patent: May 6, 2014
    Assignees: 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
  • Patent number: 8712490
    Abstract: 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: Grant
    Filed: October 18, 2011
    Date of Patent: April 29, 2014
    Assignee: Nexans
    Inventors: Christian-Eric Bruzek, Arnaud Allais, Claus-Friedrich Theune
  • Patent number: 8703651
    Abstract: 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: Grant
    Filed: July 6, 2012
    Date of Patent: April 22, 2014
    Inventors: Dale Richard Harshman, Anthony Thomas Fiory
  • Patent number: 8696941
    Abstract: 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: Grant
    Filed: January 5, 2011
    Date of Patent: April 15, 2014
    Assignee: Merck Patent GmbH
    Inventors: Christoph Josef Brabec, Karsten Heuser, Henning Rost
  • Patent number: 8700110
    Abstract: 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: Grant
    Filed: May 31, 2012
    Date of Patent: April 15, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Seop Kim
  • Patent number: 8685549
    Abstract: 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: Grant
    Filed: November 30, 2010
    Date of Patent: April 1, 2014
    Assignee: UT-Battelle, LLC
    Inventors: Amit Goyal, Junsoo Shin
  • Patent number: 8676282
    Abstract: 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: Grant
    Filed: October 29, 2010
    Date of Patent: March 18, 2014
    Assignee: General Electric Company
    Inventors: Longzhi Jiang, Clifford Ginfrida, Jr., Neil Clarke, Weijun Shen, Ernst Wolfgang Stautner, Tao Zhang, Robbi McDonald
  • Patent number: 8673820
    Abstract: 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: Grant
    Filed: October 26, 2007
    Date of Patent: March 18, 2014
    Assignee: Department of Atomic Energy
    Inventors: Sindhunil Barman Roy, Vinod Chandra Sahni
  • Patent number: 8670807
    Abstract: 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: Grant
    Filed: August 18, 2008
    Date of Patent: March 11, 2014
    Assignee: D-Wave Systems Inc.
    Inventors: Geordie Rose, Paul I. Bunyk
  • Patent number: 8668845
    Abstract: 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: Grant
    Filed: October 22, 2010
    Date of Patent: March 11, 2014
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Chang-Min Suh, Tae-Woong Lee, Dong-Sik Kim
  • Patent number: 8670808
    Abstract: 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: Grant
    Filed: October 29, 2010
    Date of Patent: March 11, 2014
    Assignee: NEXANS
    Inventors: Rainer Soika, Mark Stemmle
  • Patent number: 8658571
    Abstract: 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: Grant
    Filed: March 18, 2010
    Date of Patent: February 25, 2014
    Assignee: BASF SE
    Inventors: Isabel van Driessche, Pieter Vermeir, Serge Hoste, Michael Baecker
  • Patent number: 8652347
    Abstract: 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: Grant
    Filed: April 23, 2007
    Date of Patent: February 18, 2014
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: I-Wei Chen, Alexander Mamchik
  • Patent number: 8653005
    Abstract: 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: Grant
    Filed: June 8, 2012
    Date of Patent: February 18, 2014
    Assignee: Brookhaven Science Associates, LLC
    Inventors: Harold Wiesmann, Vyacheslav Solovyov
  • Patent number: 8649834
    Abstract: 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: Grant
    Filed: September 13, 2012
    Date of Patent: February 11, 2014
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Thomas O. Jones
  • Patent number: 8644899
    Abstract: 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: Grant
    Filed: July 15, 2010
    Date of Patent: February 4, 2014
    Assignee: Nexans
    Inventors: Arnaud Allais, Mark O. Rikel, Jürgen Ehrenberg, Christian-Eric Bruzek
  • Patent number: 8633137
    Abstract: 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: Grant
    Filed: September 7, 2011
    Date of Patent: January 21, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Ho Sup Kim
  • Patent number: 8630690
    Abstract: 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: Grant
    Filed: May 5, 2009
    Date of Patent: January 14, 2014
    Assignee: Electric Power Research Institute, Inc.
    Inventor: Brian Gregory
  • Patent number: 8630687
    Abstract: 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: Grant
    Filed: September 28, 2012
    Date of Patent: January 14, 2014
    Assignee: AVD Conduction
    Inventors: Armen Gulian, Vahan Nikoghosyan, Dennis Winegarner