ULTRAFINE CONDUCTOR MATERIAL, ULTRAFINE CONDUCTOR, METHOD FOR PREPARING ULTRAFINE CONDUCTOR, AND ULTRAFINE ELECTRICAL WIRE

摘要

[Technical Problem] The invention is to provide a method for manufacture of an ultrafine conductor having sufficient electrical conductivity, and enhanced strength and stretch properties while suppressing manufacture cost, the same ultrafine conductor, as well as a material suited for the same ultrafine conductor. [Solution to Problem] To solve the above problem, there is provided a material for an ultrafine conductor, which includes a matrix formed of copper, chromium particles contained in the matrix, and tin contained in the matrix. The tin is present as a solid solution in the matrix.

主权项

1. A material for an ultrafine conductor, comprising
a matrix formed of copper, chromium particles contained in the matrix, and tin contained in the matrix, wherein the tin is present as a solid solution in the matrix, wherein the chromium is present in an amount of from 3 at % to 5 at %, wherein an amount of the chromium and an amount of the tin are determined to satisfy following formula 1 given that the amount of the chromium is X at % and the amount of the tin is Y at %, and wherein an amount of the copper is determined by subtracting a sum of X at % and Y at % from 100 at %.
[Formula 1]0.15≦Y≦0.6−0.15(X−3)   (I)