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| Number | Title | Issue Date |
| 5733389 | Method of manufacturing a micro-alloy high purity aluminum conductor for use at ultra low temperature A method for manufacturing an aluminum alloy conductor for use at ultra low temperature which involves the steps of adding at least one of the metallic and semimetallic effective elements selected from the group consisting of B, Ca, Ce, Ga, Y, Yb and Th, ... | 03/31/1998 |
| 5504984 | Methods of manufacturing Nb3 Al superconducting wire and coil A method of manufacturing an Nb3 Al superconducting wire includes a step of forming a wire by a jelly-roll process, a first thermal step of heating the obtained wire at a temperature of 500° to 700° C. for at least 10 hours for diffusing Al i... | 04/09/1996 |
| 5266416 | Aluminum-stabilized superconducting wire An aluminum-stabilized superconducting wire includes a superconducting wire member obtained by burying a superconducting filament in a copper matrix and an aluminum stabilizing member covered in an outer surface of the superconducting wire member, and the... | 11/30/1993 |
| 5230748 | Superconductor and process of manufacture A Type II superconducting alloy which is superconducting at a predetermined high magnetic field is prepared by creating a composite having a periodic arrangement of at least two transition metals so as to provide numerous interfaces between the different ... | 07/27/1993 |
| 5228928 | Method of manufacturing Nb3 Sn superconducting wire A method of manufacturing an Nb3 Sn superconducting wire includes the steps of composing a desired number of rods, constituted by a material selected from the group consisting of Nb and an Nb alloy, in a Cu-Sn-based alloy matrix containing 15.1... | 07/20/1993 |
| 5223348 | APC orientation superconductor and process of manufacture Artifical pinning centers are provided in normal metal layers adjacent to a type II superconductor layer produced by reacting two normal metal layers. The transverse thicknesses of the final superconductor and normal metal layers are less than about 1000 ... | 06/29/1993 |
| 5174830 | Superconductor and process for manufacture A superconductor which is superconducting of a predetermined high field and low temperature is formed by combining a plurality of metal bodies to form a composite structure. The metal bodies are selected from transition metals such as niobium, tantalum, z... | 12/29/1992 |
| 5160794 | Superconductor and process of manufacture In a preferred form of the invention, a superconductor is produced by the steps of combining a plurality of layers of metal sheets to form a composite structure. The sheets are pure transition metals--niobium, titanium, zirconium, or vanadium, alternate s... | 11/03/1992 |
| 5160550 | Superconductor and process of manufacture A method for producing a superconductor includes the steps of combining a plurality of metal bodies to form a composite structure, metal bodies being selected from transition metals such as niobium, tantalum, titanium, zirconium, hafnium and vanadium, alt... | 11/03/1992 |
| 5158620 | Superconductor and process of manufacture In the present invention, a superconductor is produced by the steps of wrapping a plurality of layers of metal sheets around a support to form a composite structure. The sheets are pure transition metals-13 niobium, titanium, zirconium, or vanadium, for e... | 10/27/1992 |
| 4776899 | Method of fabricating multifilament superconductors An improved multifilament superconductor is fabricated by the method in which a tin rod or tin based alloy rod is clad with a copper based alloy tube, the thus obtained copper-clad rod is further clad with a niobium based alloy tube, and a copper material... | 10/11/1988 |
| 4767470 | Process for producing Ti-containing Nb3 Sn composite superconductor A process for producing a Ti-containing Nb3 Sn composite superconductor which comprises working a composite composed of a Cu matrix, a Sn core placed centrally of the matrix and Nb cores disposed around the Sn core and heat-treating the worked ... | 08/30/1988 |
| 4646428 | Method of fabricating multifilament intermetallic superconductor The centers of a plurality of copper tubes are filled with tin and drawn to form Cu-Sn wires which are cabled around a core Nb wire; a plurality of these strands are provided in a copper tube, or a copper foil or finely wound copper wire; and a plurality ... | 03/03/1987 |
| 4629515 | Superconductive materials and process for the production thereof A superconductive substance is produced by fabricating any one metal (17) of niobium and vanadium and an easily deformable metal (16) such as Cu into one piece and working it to produce a composite metallic wire, chemically dissolving and removing the eas... | 12/16/1986 |
| 4611390 | Method of manufacturing superconducting compound stranded cable A superconducting compound cable which comprises a plurality of strands each having therein at least one filament of a superconducting compound material in the lengthwise direction of the strand, said strands being of an elliptical or flat shape in cross ... | 09/16/1986 |
| 4532703 | Method of preparing composite superconducting wire An improved method of preparing composite multifilament superconducting wire of Nb3 Sn in a copper matrix which eliminates the necessity of coating the drawn wire with tin. A generalized cylindrical billet of an alloy of copper containing at le... | 08/06/1985 |
| 4531982 | Superconductor manufacturing process A superconductor manufacturing process provides electrical insulation and enhanced transverse electrical resistivity of multifilament superconductor strands based on Nb3 Sn. The process includes forming, during the early manufacturing steps in ... | 07/30/1985 |
| 4508578 | Method of manufacturing fine filamentary Nb-Ti based alloy superconducting wire A method of manufacturing a fine multifilamentary Nb-Ti based superconducting wire was disclosed, which comprises a first step of processing an alloy consisting essentially of 10 to 50 atomic % of niobium, 40 to 75 atomic % of titanium and no higher than ... | 04/02/1985 |
| 4447946 | Method of fabricating multifilament intermetallic superconductor Nb wire and Sn plated Cu wire and/or Sn plated Cu foil strip are fabricated into a composite that is mechanically worked to form a multifilament superconductor precursor that does not require intermediate anneals and that has required amounts of Sn distri... | 05/15/1984 |
| 4435228 | Process for producing NB3 SN superconducting wires A process for producing a Nb3 Sn superconducting wire, which comprises preparing a composite from a copper alloy material containing 0.1 to 5 atomic percent in total of at least one element of Group IV of the periodic table selected from titani... | 03/06/1984 |
| 4419145 | Process for producing Nb3 Sn superconductor In a process for producing at least one Nb3 Sn superconductor which comprises drawing a composite composed of a core of niobium or a niobium alloy and a matrix of a copper-tin alloy and subjecting the drawn composite to reactive heat-treatment,... | 12/06/1983 |
| 4411712 | Method of manufacture of multifilamentary intermetallic superconductors An improved method for manufacture of multifilamentary superconductors of the A3 B type having the A-15 crystal structure, such as Nb3 Sn, is disclosed in which rods or wires of the A material are disposed throughout a matrix consist... | 10/25/1983 |
| 4402768 | Method for producing superconductive wires of multifilaments which are encased in copper or a copper alloy and contain niobium and aluminum A method for producing a superconductive wire of multifilaments having components comprising niobium and aluminum encased in copper or a copper alloy, wherein the multifilament configuration and the formation of a superconductive Al5 phase are positively ... | 09/06/1983 |
| 4397081 | Making a superconductive tube The method of U.S. Pat. No. 3,866,315 is improved by brushing copper particles also on the other side of the niobium ribbon prior to, e.g., rolling and by increasing the layer's thickness by an electrolytic process. That layer will be on the outside of th... | 08/09/1983 |
| 4386970 | Production method of compound-type superconducting wire The specification describes a method for producing compound-type superconducting wire of excellent mechanical and electrical properties. A green compact is first formed with copper powder and one of two metals which form a superconducting compound through... | 06/07/1983 |
| 4385942 | Method for producing Nb3 Sn superconductors In a method for producing an Nb3 Sn superconductor which comprises elongating a composite composed of a core portion of an alloy containing niobium and a matrix portion of a copper-tin alloy, a copper-tin-aluminum alloy or a copper-tin-gallium ... | 05/31/1983 |
| 4377905 | Method for manufacturing a Nb3 Sn superconductor and method for manufacturing hollow superconducting magnet A method for manufacturing a Nb3 Sn superconductor comprising the steps of preparing a composite conductor element which is composed of Cu-Sn alloy matrix and one or more Nb cores inserted and disposed in said matrix, if necessary sheathing the... | 03/29/1983 |
| 4367102 | Method for the manufacture of a superconductor containing an intermetallic compounds Disclosed herein is a method for manufacturing a superconductor with a superconductive intermetallic compound by means of techniques employing solid-state diffusion in a heat treatment, wherein, in order to increase the effective current density and the c... | 01/04/1983 |
| 4363675 | Process for producing compound based superconductor wire A process for producing a compound-based semiconductor wire having a high mechanical strength and which can be coiled so as to be cooled efficiently. A starting composition is formed by blending at least one metal powder selected from among Nb-based and V... | 12/14/1982 |
| 4341572 | Method for producing Nb3 Sn superconductors In a method for producing a Nb3 Sn superconductor which comprises drawing a composite having a core of a Nb-Hf alloy containing 0.1 to 30 atomic % of Hf and a sheath containing Cu and Sn, and heat-treating the composite to form a Nb3... | 07/27/1982 |
| 4321749 | Method for producing superconductors A method for producing a V3 Al superconductor which comprises making a composite composed of a sheath portion of a copper alloy containing 1 to 15 atomic percent of germanium, 1 to 15 atomic percent of silicon or 2 to 25 atomic percent of galli... | 03/30/1982 |
| 4285740 | Wrapped tantalum diffusion barrier A multifilamentary stabilized superconductor of the A-15 type is disclosed wherein the A-15 compound is formed on rods of niobium or vanadium by diffusion of tin or gallium, respectively, from a copper alloy matrix and wherein stabilization is provided by... | 08/25/1981 |
| 4274889 | Method for producing superconductors In a method for producing V3 Ga superconductors which comprises forming a composite of a core portion and a sheath portion surrounding said core portion, said sheath portion being composed of a gallium-containing alloy selected from the group c... | 06/23/1981 |
| 4262412 | Composite construction process and superconductor produced thereby A method of producing composite rod or wire of increased strength and fineness wherein the composite is formed by reducing a lamina of two metals which have been rolled to form a cylindrical billet wherein one of the metals is in expanded form. The compos... | 04/21/1981 |
| 4261097 | Method for insulating superconductors in a magnet winding A method for insulating superconductors in a magnet winding, in which any sizing and/or binders containing organic substances deposited on heat-resistant insulation used in the winding is first completely removed prior to an in-situ anneal, and at least a... | 04/14/1981 |
| 4236297 | Method of manufacturing a superconductor A method of manufacturing a superconductor, in which an intermediate conductor product of two components of a superconductive compound to be produced is first placed on a winding core and separating means comprising a graphite fabric or a graphite foil di... | 12/02/1980 |
| 4224735 | Method of production multifilamentary intermetallic superconductors A method of making A-15 type intermetallic superconductors is disclosed which features elimination of numerous annealing steps. Nb or V filaments are embedded in Cu matrices; annular layers of Sn or Ga, respectively, separated from each other by Cu layers... | 09/30/1980 |
| 4223434 | Method of manufacturing a niobium-aluminum-germanium superconductive material A method for manufacturing flexible Nb3 (Al,Ge) multifilamentary superconductive material in which a sintered porous niobium compact is infiltrated with an aluminum-germanium alloy and thereafter deformed and heat treated in a series of steps a... | 09/23/1980 |
| 4224087 | Method for producing Nb3 Sn superconductor In a method for producing Nb3 Sn superconductors which comprises forming a composite consisting of a core portion and a sheath portion surrounding said core portion, said sheath portion being composed of a Cu-Sn alloy, and said core portion bei... | 09/23/1980 |
| 4215465 | Method of making V3 Ga superconductors An improved method for producing a vanadium-gallium superconductor wire having aluminum as a component thereof is disclosed, said wire being encased in a gallium bearing copper sheath. The superconductors disclosed herein may be fabricated under normal at... | 08/05/1980 |
