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| Number | Title | Issue Date |
| 7216418 | Method for using divider rods for separating superconducting regions in fine filament internal tin wire A method for decreasing the effective magnetic filament sizes for high current internal tin Nb3Sn superconductors. During processing composite rods preferably comprised of copper clad Ta rods of approximately the same dimensions as the hexes in the design... | 05/15/2007 |
| 6981309 | Method for producing (Nb, Ti)Sn wire by use of Ti source rods An improvement is disclosed in the method for producing a multifilament (Nb, Ti)3Sn superconducting wire by the steps of preparing a plurality of Nb or Nb alloy rods where Nb or Nb alloy monofilaments are encased in copper or copper alloy sheaths; packing... | 01/03/2006 |
| 6836955 | Constrained filament niobium-based superconductor composite and process of fabrication A niobium-based superconductor is manufactured by establishing multiple niobium components in a billet of a ductile metal, working the composite billet through a series of reduction steps to form the niobium components into elongated elements, each niobium element h... | 01/04/2005 |
| 6571453 | Method for producing a superconductor, in strip form, having a high-Tc superconductor material A method for producing a high-Tc superconductor having a strip shape and having at least one superconductive conductor core by forming a conductor initial product and annealing. The forming is in this case intended to include at least two flatt... | 06/03/2003 |
| 5935912 | Superconducting wire and method of manufacturing the same A superconducting oxide wire and a method of manufacturing the same are disclosed. The wire comprises a pipe made of a metal and a superconducting oxide material filling the interior of the pipe and comprising superconducting oxide grains which are bonded... | 08/10/1999 |
| 5885938 | Low-aspect ratio superconductor wire A low-aspect ratio multi-filament superconductor wire includes a plurality of oxide superconductor filaments arranged in an elongated wire structure. Each filament of the wire also has a low-aspect ratio. The filaments are textured such that a crystallogr... | 03/23/1999 |
| 5877125 | Method of preparing bismuth superconductor Disclosed herein is a method of preparing a bismuth superconductor including the steps of mixing raw materials for forming a bismuth superconductor with each other to obtain mixed powder, heat treating the mixed powder, pulverizing the mixed powder and th... | 03/02/1999 |
| 5873158 | Method of manufacturing a multifilament superconductor with resistive barrier integrated into the outer ring The invention concerns a method of making a superconductor so that it includes, in cross-section: a central area, made up of a plurality of superconductor filaments of the NbTi, NbTiTa type or of any other alloy or substance based on Nb; a concentric, two... | 02/23/1999 |
| 5786305 | Process for manufacturing a compound oxide-type superconducting wire A process for manufacturing a wire made of oxide which is applicable for manufacturing a superconducting coil or the like. The process includes steps comprising preparing a mass of oxide having superconductivity from powder material, covering the mass of ... | 07/28/1998 |
| 5744427 | Thallium oxide superconductor and method of preparing the same In a method of preparing a thallium oxide superconductor having components of Tl-Bi-Ca-Sr-Cu-O or Tl-Bi-Pb-Ca-Sr-Cu-O from raw material powder, the raw material powder is subjected to first heat treatment, then exposed to a compressive load, and thereafte... | 04/28/1998 |
| 5610123 | Method of preparing bismuth oxide superconductor In a method of preparing a bismuth oxide superconducting wire comprising the steps of filling raw material powder into a metal sheath, working the same into a wire by performing deformation processing in this state, and heat treating the wire, the raw mat... | 03/11/1997 |
| 5369873 | Method of fabricating an elongated artefact A component 10 for making A15 Nb3 Sn superconducting wire is of plane-filling cross-section after removing temporary additions 6, 7. It consists of a central pillar 1 of aluminium (later replaced by tin) surrounded by a two-deep array of polygo... | 12/06/1994 |
| 5288699 | Method of manufacturing oxide superconducting wire In a method of manufacturing an oxide superconducting wire including steps of performing heat treatment and deformation processing in a state of filling up a metal sheath with powder of an oxide superconductor or raw material therefor, fine particles or g... | 02/22/1994 |
| 5204316 | Preparation of tape of silver covered Bi-Pb-Ca;Sr-Cu-O oriented polycrystal superconductor A silver tube with one open end is packed with a particulate mixture of reactants comprised of Bi2 CaSr2 Cu2 O8&#b1;x, Ca2 CuO3, cupric oxide and lead oxide, the open end of the packed tube is ... | 04/20/1993 |
| 5182176 | Extruded wires having layers of superconducting alloy and refractory meal encased in a normal metal sheath A Type II superconducting filament is formed by surrounding a Type II superconducting alloy ingot with layers of a fine grain Type II superconducting alloy sheet, a barrier layer and a copper extrusion can. The composite is then reduced to a filament by h... | 01/26/1993 |
| 5167061 | Method of production for multifilament niobium-tin superconductors A process for producing a niobium-tin superconductor wire made from a multifilament composite via the internal tin approach is provided for. In particular, a process of preparing such a wire via an internal tin tube surrounded by a diffusion barrier and a... | 12/01/1992 |
| 5088183 | Process for producing fine and ultrafine filament superconductor wire A process for producing a superconductor wire made up of a large number of round monofilament rods is provided for, comprising assembling a multiplicity of round monofilaments inside each of a multiplicity of thin wall hexagonal tubes and then assembling ... | 02/18/1992 |
| 4625503 | Method and device for stranding multifilament superconductor strands Multifilament superconductor strands of less than 1 mm diameter able to carry alternating current are stranded to a pitch of between 7 and 3 diameters, at a temperature above 200° C. and a speed between 30 and 5,000 rpm.... | 12/02/1986 |
| 4575927 | Submicron-particle ductile superconductor A submicron-particle ductile superconductor and method of fabricating the same wherein the submicron particles (e.g., 300 Angstroms) of a superconductor (e.g., NbC) are encapsulated in a metal tube (e.g., copper) and then fabricated down to fine wire in t... | 03/18/1986 |
| 4537642 | Method of manufacturing Al-stabilized superconductor A method of manufacturing an Al-stabilized superconductor is disclosed. The method comprises combining into a composite a thin elongated Al member and a superconductive wire. The Al member is preferably comprised of high purity Al having a purity of not l... | 08/27/1985 |
| 4501062 | Stabilized super-conductor having a diffusion-inhibiting layer therein and method of producing same A stabilized super-conductor of the type containing a super-conductive region consisting of an intermetallic compound containing at least two elements, such as Nb3 Sn, and a normally-conductive region containing a material which is normally con... | 02/26/1985 |
| 4371741 | Composite superconductors A novel composite superconductor includes a superconducting material and a normal conducting material. The composite superconductor has a number of closely spaced grooves on a surface being in contact with a refrigerant, and a number of ridges spaced apar... | 02/01/1983 |
| 4337567 | Method of making a conductor bar for dynamoelectric machines A high efficiency conductor bar is provided for use in a high flux density environment. The bar is made up of a number of subconductors, each of which consists of strands of small size, insulated copper wire wound into twisted bundles and cables so as to ... | 07/06/1982 |
| 4333223 | Shielding cylinder and method of manufacture A shielding cylinder includes an inner cylinder and an outer cylinder of sheet metal. Axial ducts and annular ducts are arranged between the two cylinders to provide flow paths for a cooling fluid. The outer cylinder can be reinforced by one or more perip... | 06/08/1982 |
| 4255849 | Method for constructing a superconducting magnet winding A method for constructing a superconducting magnet winding which contains parallel winding layers each spaced by a separator and around the outer surface of which hardenable material is cast which is worked to a predetermined dimension after hardening, in... | 03/17/1981 |
| 4178676 | Method for treating a superconductor A method of making a superconducting coil from a superconducting wire includes the step of winding the wire to form a coil. Prior to the winding step, the wire is submitted to repeated tension-stressing of a predetermined stretch and a predetermined numbe... | 12/18/1979 |
| 4109374 | Superconductor composite and method of making the same A selectively constituted stabilized multiple element or cell superconductor composite comprising a plurality of cores of stabilizing material with each of the cores surrounded by a tube of superconducting material in intimate contact therewith and a matr... | 08/29/1978 |
| 4044457 | Method of fabricating composite superconducting wire An improvement in the method for preparing composite rods of superconducting alloy and normal metal from which multifilament composite superconducting wire is fabricated by bending longitudinally a strip of normal metal around a rod of superconductor allo... | 08/30/1977 |
| 3940848 | Method for the manufacture of tubular conductors A method for manufacturing tubular conductors which consist of a niobium layer and a layer of normal electrically conducting metal in which a copper body of rectangular cross section is covered with niobium on one wide and two narrow sides by means of fus... | 03/02/1976 |
