Invention Grant
- Patent Title: Silver-coated copper alloy powder and method for producing same
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Application No.: US14372789Application Date: 2013-01-15
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Publication No.: US10062473B2Publication Date: 2018-08-28
- Inventor: Kenichi Inoue , Kozo Ogi , Atsushi Ebara , Yuto Hiyama , Takahiro Yamada , Toshihiko Ueyama
- Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: Dowa Electronics Materials Co., Ltd.
- Current Assignee: Dowa Electronics Materials Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Bachman & LaPointe, PC
- Priority: JP2012-006886 20120117; JP2012-120360 20120528
- International Application: PCT/JP2013/051019 WO 20130115
- International Announcement: WO2013/108916 WO 20130725
- Main IPC: H01B1/22
- IPC: H01B1/22 ; B22F1/02 ; C22C9/00 ; C22C9/04 ; C22C9/06 ; H01B1/02 ; B22F1/00 ; C22C1/04 ; C22C5/06 ; B22F9/08

Abstract:
A silver-coated copper alloy powder, which has a low volume resistivity and excellent storage stability (reliability), is produced by coating a copper alloy powder, which has a chemical composition comprising 1 to 50 wt % of at least one of nickel and zinc and the balance being copper and unavoidable impurities (preferably a copper alloy powder wherein a particle diameter (D50 diameter) corresponding to 50% of accumulation in cumulative distribution of the copper alloy powder, which is measured by a laser diffraction particle size analyzer, is 0.1 to 15 μm), with 7 to 50 wt % of a silver containing layer, preferably a layer of silver or an silver compound.
Public/Granted literature
- US20140346413A1 SILVER-COATED COPPER ALLOY POWDER AND METHOD FOR PRODUCING SAME Public/Granted day:2014-11-27
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