Invention Grant
- Patent Title: Refined copper, method of producing refined copper, electric wire and method of manufacturing electric wire
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Application No.: US15194366Application Date: 2016-06-27
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Publication No.: US10597790B2Publication Date: 2020-03-24
- Inventor: Kazufumi Suenaga , Setsuo Ando , Yuju Endo
- Applicant: Hitachi Metals, Ltd.
- Applicant Address: JP Tokyo
- Assignee: HITACHI METALS, LTD.
- Current Assignee: HITACHI METALS, LTD.
- Current Assignee Address: JP Tokyo
- Agency: McGinn I. P. Law Group, PPLC.
- Priority: JP2016-094587 20160510
- Main IPC: C25C1/12
- IPC: C25C1/12 ; C22B15/00 ; C22C9/00 ; H01B1/02
Abstract:
A method of producing a refined copper includes depositing the refined copper on a cathode by an electroplating process or an electroless plating process in an alkaline plating bath including a solution of a copper compound that includes none of sulfur, chlorine and oxygen elements and produces copper ions having a valence of +1 in the solution.
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