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| Number | Title | Issue Date |
| 7432229 | Superconductors on iridium substrates and buffer layers Laminated, biaxially textured superconductors include Ir-based buffer layers and/or substrates. ... | 10/07/2008 |
| 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 |
| 7293343 | Method of manufacturing superconducting wire A method of manufacturing a superconducting wire is provided. The method is provided with the steps of filling a raw material powder in a metal pipe, the raw material powder being composed of an oxide superconductor or a precursor to become an oxide superconductor t... | 11/13/2007 |
| 7268099 | Enclosed ceramic filament In the present invention, a superconducting (sc) ceramic filament is enclosed in a silver sheath which is sealed therearound by applying silver powder between the surfaces of said sheath, pressing the surfaces and powder into contact and then applying sufficient hea... | 09/11/2007 |
| 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 |
| 7213325 | Method of manufacturing Fe-sheathed MgB2 wires and solenoids A method of manufacturing a Fe-sheathed MgB2 wire includes the steps of: I. Selecting a carbon steel tube with 0.1% to 0.3% carbon; a. Crimping a first end of the tube; b... | 05/08/2007 |
| 6973708 | Method for reducing AC loss in superconducting coils A method for reducing ac loss in a superconducting coil of cable-in-conduit type superconductor made from chrome-coated compound superconducting strands, characterized in that when a superconducting coil is produced by the wind-and-react technique, bending or twist ... | 12/13/2005 |
| 6957480 | Method for the production of superconductive wires based on hollow filaments made of MgB2 A method is described for the production of superconductive wires based on hollow filaments made of MgB2, which comprises: a) the formation of a composite billet by means of the coaxial insertion in a tubular metallic container of a cylindrical bar made o... | 10/25/2005 |
| 6725071 | Fully transposed high tc composite superconductor, method for producing the same and its use A fully transposed composite superconductor can be especially used for AD devices and contains subconductors composed according to the Roebel bar principle and containing TC superconducting material. Superconductors are provided, that can be laterally ben... | 04/20/2004 |
| 6633003 | Superconducting cable and composite tubular element Superconducting cable (1) comprising: a) a layer (20) of tapes comprising superconducting material, b) a tubular element (6) for supporting said layer (20) of tapes comprising superconducting material, c) a cooling circuit, adapted to cool the supercond... | 10/14/2003 |
| 6604273 | Method of manufacturing an oxide superconducting wire A manufacturing method for a superconducting wire which is a fine line made of an oxide superconductor, including the steps of forming the fine line by drawing a metal pipe filled with materials for the oxide superconductor, causing the materials to react... | 08/12/2003 |
| 6603379 | Superconducing wind-and-react-coils and methods of manufacture A process for manufacturing superconducting magnetic coils from strain-tolerant, superconducting multi-filament composite conductors is described. The method involves winding the precursor to a multi-filament composite conductor and an insulating material... | 08/05/2003 |
| 6590471 | Push on connector for cryocable and mating weldable hermetic feedthrough An electrical interconnect provides a path between cryogenic or cryocooled circuitry and ambient temperatures. As a system, a cryocable 10 is combined with a trough-line contact or transition 20. In the preferred embodiment, the cryocable 10 comprises a c... | 07/08/2003 |
| 6566609 | Oxide superconducting wire Provided are an oxide superconducting wire which maintains a high critical current density and has a small current drift with small ac loss when the same carries an alternating current and a method of preparing the same, and a cable conductor which is for... | 05/20/2003 |
| 6531426 | Neodymium gallate surface barrier for melt-processed YBa2Cu3Ox conductor with nickel sheath A new process for making a neodymium gallate (NGO) surface layer on the inside surface of a protective outer sheath of nickel surrounding a core of yttrium-based copper oxide (YBCO) superconductor material permits manufacture of very high performance supe... | 03/11/2003 |
| 6436317 | Oxide bronze compositions and textured articles manufactured in accordance therewith Oxide bronze compositions and articles manufactured in accordance therewith are provided. The oxide bronze compositions have the general formula Ax BOy, in which A comprises an alkali, alkaline earth or rare earth metal and in which ... | 08/20/2002 |
| 6389685 | Method for current sharing in a superconducting current lead A current lead including a high-temperature superconductor and a normal conductive component is coupled to a superconducting device. Electric current is delivered through the current lead at a level above the critical current carrying capacity of the high... | 05/21/2002 |
| 6370405 | Fine uniform filament superconductors A multifilamentary superconductor composite having a high fill factor is formed from a plurality of stacked monofilament precursor elements, each of which includes a low density superconductor precursor monofilament. The precursor elements all have substa... | 04/09/2002 |
| 6344287 | High temperature compatible insulation for superconductors and method of applying insulation to superconductors There is described a method of applying insulative coating on high temperature superconductors and low temperature superconductors from sol-gel solutions prepared from Zr or Zr with one of, Mg, Y, Ce, In and Sn based precursor materials. The solution is p... | 02/05/2002 |
| 6339194 | Supported superconductor A supported superconductor device which is useful as a superconducting current lead or as a high voltage current regulator. The device is formed of a tubular support, with a layer of ceramic, glassy or glass ceramic material adhered to the inner wall of t... | 01/15/2002 |
| 6337149 | Superconductor coplanar waveguide A lanthanum aluminate (LaAlO3) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure, has a crystal structure and lattice constant that... | 01/08/2002 |
| 6310297 | Strongly-linked oxide superconductor and a method of its manufacture A strongly-linked polycrystalline oxide superconductor article includes an oxide superconductor selected from the group consisting 124-type and 247-type oxide superconductors having fine, highly aligned oxide superconductor grains less than μm long a lon... | 10/30/2001 |
| 6300285 | Cryogenic deformation of high temperature superconductive composite structures An improvement in a process of preparing a composite high temperature oxide superconductive wire is provided and involves conducting at least one cross-sectional reduction step in the processing preparation of the wire at sub-ambient temperatures.... | 10/09/2001 |
| 6262375 | Room temperature dielectric HTSC cable A high temperature superconducting cable comprises a cryogenic core, with a superconducting material either inside the cryogenic core or wrapped around the core. A space maintained at a vacuum and functioning as a cryostat surrounds the core; within this ... | 07/17/2001 |
| 6255596 | Aluminum stabilized superconductor with Cu and Mg A tube made of oxygen free copper is filled with a plurality of copper matrix Nb--Ti superconducting lead wires to obtain a composite billet. The resulting billet is subjected to hydrostatic pressure extrusion. Further, ageing heat treatment and wire draw... | 07/03/2001 |
| 6226858 | Method of manufacturing an oxide superconductor wire A method of manufacturing a superconductor wire which comprises: rolling a polycrystalline metallic substrate; heating the rolled polycrystalline metallic substrate at a temperature of 900° C. or more in a non-oxidizing atmosphere, whereby obtaining a ro... | 05/08/2001 |
| 6230033 | Laminated superconducting ceramic tape A superconducting ceramic includes a laminate and a superconducting ceramic tape joined to the laminate. The laminate and superconductor tape are joined such that the tape is under a compressive stress. The compressive stress is of a greater amount than c... | 05/08/2001 |
| 6205345 | Oxide superconducting wire, method of preparing the same, and method of handling the same In order to obtain a superconducting wire containing an oxide superconductor, whose critical current density is not much reduced upon application of bending, a plurality of strands 3, comprising oxide superconductors 1 covered with first metal sheaths 2, ... | 03/20/2001 |
| 6192573 | Method of preparing oxide superconducting wire An oxide superconducting wire having a circular or substantially circular sectional shape and exhibiting a high critical current density comparable to that of a tape-shaped wire is provided. The oxide superconducting wire consists of a plurality of filame... | 02/27/2001 |
| 6187718 | Carbon composite superconductors Superconducting composites comprising a high thermal conductivity carbon substrate and a layer of ceramic-type superconductor. Particularly attractive for use as a superconducting flexible conductor are composites comprising a high thermal conductivity, l... | 02/13/2001 |
| 6188921 | Superconducting composite with high sheath resistivity A superconducting article having a high bulk sheath resistivity, and methods of manufacture of such an article. High-temperature superconductor filaments are disposed in a ductile matrix comprising a high silver content. The matrix is then coated with a s... | 02/13/2001 |
| 6170147 | Superconducting wire and method of manufacturing the same A starting material which is converted to a continuous body of an oxide superconductor by a heat treatment is filled in a tubular Ag sheath member. The diameter of the filled member is reduced by extrusion to form a wire. The wire is subjected to a heat t... | 01/09/2001 |
| 6154103 | Push on connector for cryocable and mating weldable hermetic feedthrough An electrical interconnect provides a path between cryogenic or cryocooled circuitry and ambient temperatures. As a system, a cryocable 10 is combined with a trough-line contact or transition 20. In the preferred embodiment, the cryocable 10 comprises a c... | 11/28/2000 |
| 6122534 | High temperature superconducting composite conductor and method for manufacture of same A process for increasing the resistivity of a HTS oxide composite sheath including heating a superconductive HTS oxide composite, the composite including a sheath including silver, in the presence of mercury at temperatures sufficient to form a silver--me... | 09/19/2000 |
| 6117824 | Superconductor microstrip transmission line A lanthanum aluminate (LaAlO3) substrate on which thin films of layered perovskite copper oxide superconductors are formed. Lanthanum aluminate, with a pseudo-cubic perovskite crystal structure, has a crystal structure and lattice constant that... | 09/12/2000 |
| 6069395 | Current leads adapted for use with superconducting coil and formed of functionally gradient material Current leads are used for connecting a power supply placed in a room-temature environment and a superconducting coil placed in an ultralow-temperature environment. The current leads includes a first current lead and a second current lead. The first curr... | 05/30/2000 |
| 6038462 | Structure and method of manufacture for minimizing filament coupling losses in superconducting oxide composite articles A multifilamentary superconducting composite article comprising multiple substantially electrically decoupled domains, each including one or more fine, preferably twisted filaments of a desired superconducting oxide material. In a preferred embodiment, th... | 03/14/2000 |
| 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 |
| 6034588 | Superconducting current lead A superconducting current lead is provided, in which a plurality of unit conductors serving as current paths and each formed from a tape-like oxide superconducting wire are disposed on a cylindrical support member 4 so that a tape surface of the supercond... | 03/07/2000 |
| 6028036 | Oxide ceramic superconductive composite member and method for manufacture A superconductive composite member comprises a core of oxide ceramic superconducting material that is disposed in a metal envelope comprising a silver alloy which is hardenable by an oxide dispersion. Preferably, the silver alloy is an alloy of Ag--Mg--Ni... | 02/22/2000 |
