Title:
Cu-Ag ALLOY WIRE AND METHOD FOR PRODUCING Cu-Ag ALLOY WIRE
Document Type and Number:
WIPO Patent Application WO/2011/136284
Kind Code:
A1
Abstract:
Provided is a high-strength Cu-Ag alloy wire having high conductivity, and a method for producing the Cu-Ag alloy wire. The Cu-Ag alloy wire is made from a copper alloy containing Ag, with the Ag content falling within the range of 0.1 mass% to 15 mass%, and the remainder made up of Cu and impurities. When an arbitrarily-defined observation field of up to 1000 nm × 1000 nm is taken in the cross section of this Cu-Ag alloy wire, the area ratio of Ag crystalline precipitate present in this observation field made up by crystalline precipitate having a maximum length of a straight line that cuts the crystalline precipitate that does not exceed 100 nm is at least 40%. By uniformly dispersing extremely fine particulate Ag in the alloy, it is possible to improve dispersion strengthening, thereby improving strength, while also giving the alloy wire high conductivity.
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Inventors:
KUSAKARI, Misato (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
草刈 美里 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NAKAI, Yoshihiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
中井 由弘 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NISHIKAWA, Taichiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
草刈 美里 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NAKAI, Yoshihiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
中井 由弘 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NISHIKAWA, Taichiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
Application Number:
JP2011/060291
Publication Date:
November 03, 2011
Filing Date:
April 27, 2011
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
住友電気工業株式会社 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 Osaka, 〒5410041, JP)
KUSAKARI, Misato (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
草刈 美里 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NAKAI, Yoshihiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
中井 由弘 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
住友電気工業株式会社 (〒41 大阪府大阪市中央区北浜四丁目５番３３号 Osaka, 〒5410041, JP)
KUSAKARI, Misato (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
草刈 美里 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
NAKAI, Yoshihiro (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
中井 由弘 (〒24 大阪府大阪市此花区島屋一丁目１番３号 住友電気工業株式会社大阪製作所内 Osaka, 〒5540024, JP)
International Classes:
C22F1/08; C22C9/00; H01B5/02; H01B13/00; C22F1/00
Attorney, Agent or Firm:
YAMANO, Hiroshi (KEIMEI PATENT OFFICE, 10F ASTRO Shin Osaka 2 Bldg., 1-3, Nishinakajima 6-chome, Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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