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Title:
METHOD FOR HOMOGENIZING Ru-CONTAINING Cu ALLOY
Document Type and Number:
WIPO Patent Application WO/2017/022799
Kind Code:
A1
Abstract:
The present invention provides a method for homogenizing a Ru-containing Cu alloy, the method being capable of improving the solubility of Ru in the Ru-containing Cu alloy and accurately measuring the noble metal content in the Cu alloy. The present invention pertains to a method for homogenizing a Ru-containing Cu alloy, the method comprising a step for adding a P-containing compound to a Cu alloy containing at least Ru, and for homogenizing Ru that is segregated in the Cu alloy.

Inventors:
YAMAGUCHI Katsunori (306. 3-11-22, Ueda Morioka-sh, Iwate 66, 〒0200066, JP)
SAKAMOTO Hirofumi (Ichikawa Plant 2015-7, Koya, Ichikawa-sh, Chiba 13, 〒2720013, JP)
FUJITA Mitsuharu (Ichikawa Plant 2015-7, Koya, Ichikawa-sh, Chiba 13, 〒2720013, JP)
ISHIZAKI Keiko (Ichikawa Plant 2015-7, Koya, Ichikawa-sh, Chiba 13, 〒2720013, JP)
KAWASAKI Minoru (14-1, Sotokanda 4-chome, Chiyoda-k, Tokyo 21, 〒1010021, JP)
HIROSUE Kiyoshi (14-1, Sotokanda 4-chome, Chiyoda-k, Tokyo 21, 〒1010021, JP)
Application Number:
JP2016/072812
Publication Date:
February 09, 2017
Filing Date:
August 03, 2016
Export Citation:
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Assignee:
TANAKA KIKINZOKU KOGYO K.K. (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 22, 〒1006422, JP)
NIPPON PGM CO., LTD. (14-1, Sotokanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
DOWA METALS & MINING CO., LTD. (14-1, Sotokanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
International Classes:
C22B7/00; C22B11/00; C22C1/02; C22C5/04; C22C9/00; C22C5/02; C22C5/08
Domestic Patent References:
WO2015122469A12015-08-20
Foreign References:
JPS60177148A1985-09-11
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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