The Furukawa Electric Co., Ltd.

Furukawa Automotive Systems Inc.

Yoshikazu Okuno

Hiroyuki Fukushima

Yuko Hayase

Eiji Kojima

Kengo Mitose

Akira Tachibana

Yoshiaki Kobayashi

Masaru Higuchi

Hisaki Sakamoto

Yoshinori Nagasu

Yuko Okuno

Shingo Kawata

Masayasu Kasahara

Tatsuya Nakatsugawa

An electrical contact material () having: a conductive substrate () formed from copper or a copper alloy; a first intermediate layer () provided on the conductive substrate (); a second intermediate layer () provided on the first intermediate layer (); and an outermost layer () formed from tin or a tin alloy and provided on the second intermediate layer (), wherein the first intermediate layer () is constructed as one layer of grains extending from the conductive substrate () side to the second intermediate layer () side, and wherein, in the first intermediate layer (), the density of grain boundaries () extending in a direction in which the angle formed by the grain boundary in interest and the interface between the conductive substrate and the first intermediate layer is 45&#xb0; or greater, is 4 &#x3bc;m/&#x3bc;mor less; a method of producing the same; and a terminal.

Electrical contact material, method of producing an electrical contact material, and terminal

A peelable superconductive conductor comprising a superconductive conductor including a substrate and a superconducting layer which is formed on one principal surface of the substrate. The peelable superconductive conductor can further comprise a peelable carrier body, which is formed on a principal surface of the superconductive conductor on an opposite side of the surface on which the superconducting layer is formed.

Peelable superconductive conductor, production method of peelable superconductive conductor, and repair method for superconducting wire

A terminal includes a connector portion, a tubular crimp portion that crimps/joins with a wire, and a transition portion joining the two portions. The tubular crimp portion is composed of a metal member including a base material of copper or copper alloy with 0.20-1.40 mm thickness and a coating layer of tin, tin alloy, nickel, nickel alloy, silver or silver alloy with 0.2-3.0 &#x3bc;m thickness formed on the base material. The tubular crimp portion has a weld portion formed by butt-welding and having, in its cross-section perpendicular to a terminal longitudinal direction, a phase existing therein of tin, tin alloy, nickel, nickel alloy, silver or silver alloy greater than 0.01 &#x3bc;m. The tubular crimp portion is a closed tubular body with one end opposite to a wire-insertion-opening being closed.

Terminal, a wire connecting structure and a method of manufacturing the terminal

Impurities are reduced in an oxide superconducting layer and in an interface between the oxide superconducting layer and an intermediate layer. A superconducting wire rodhas a structure including a substrate (), an intermediate layer () formed on the substrate (), a reaction suppressing layer () formed on the intermediate layer () and mainly containing polycrystalline SrLaFeOor CaLaFeO, in which the &#x3b4;1 and the &#x3b4;2 each represent an amount of non-stoichiometric oxygen, and an oxide superconducting layer () formed on the reaction suppressing layer () and mainly containing an oxide superconductor.

Superconducting wire rod and method for manufacturing superconducting wire rod

Impurities in an oxide superconducting layer or at a surface of the oxide superconducting layer at an intermediate layer side are reduced. A superconducting wire rod has a configuration that includes a metal substrate; an intermediate layerformed on the metal substrateand containing a rare-earth element that reacts with Ba; a reaction suppressing layerformed on the intermediate layerand mainly containing LaMnO, wherein &#x3b4;1 represents an amount of non-stoichiometric oxygen; and an oxide superconducting layerformed on the reaction suppressing layerand mainly containing an oxide superconductor containing Ba.

Superconducting wire material and method for manufacturing superconducting wire material

Adhesiveness between a metallic substrate and a metal oxide layer is made to increase. A superconducting thin film () includes a metallic substrate (), a metallic layer () that is formed on a main surface of the metallic substrate () and includes a metal element capable of being passivated as a main component, a metal oxide layer () that is formed on the metallic layer () and includes the passivated metal element as a main component, and a superconducting layer () that is formed on the metal oxide layer () directly or through an intermediate layer and includes an oxide superconductor as a main component.

Superconducting thin film and method of manufacturing superconducting thin film

A method for manufacturing a base materialfor a superconductive conductor which includes: a conductive bed layer forming process of forming a non-oriented bed layerhaving conductivity on a substrate; and a biaxially oriented layer forming process of forming a biaxially oriented layeron the bed layer

Method of manufacturing base material for superconducting conductor, method of manufacturing superconducting conductor, base material for superconducting conductor, and superconducting conductor

The phase transition temperature, at which the crystal lattice of LMO that constitutes an oxide layer as an intermediate layer or as a part of an intermediate layer becomes cubic, is lowered. A substrate for a superconducting wire rod includes an oxide layer (LMO layer ()) which contains, as a principal material, a crystalline material represented by the compositional formula: La(MnM)O(wherein M represents at least one of Cr, Al, Co or Ti, &#x3b4; represents an oxygen non-stoichiometric amount, 0&#x3c;w/z&#x3c;2, and 0&#x3c;x&#x2266;1).

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Tokyo, Japan

Yoshikazu Okuno