Invention Grant
- Patent Title: Electric contact material, method for manufacturing the electric material, and electric contact
- Patent Title (中): 电接触材料,电材料的制造方法和电接触
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Application No.: US12531731Application Date: 2008-03-28
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Publication No.: US08283032B2Publication Date: 2012-10-09
- Inventor: Yoshiaki Kobayashi
- Applicant: Yoshiaki Kobayashi
- Applicant Address: JP Tokyo
- Assignee: Furukawa Electric Co., Ltd.
- Current Assignee: Furukawa Electric Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Kubotera & Associates, LLC
- Priority: JP2007-097785 20070403; JP2008-083320 20080327
- International Application: PCT/JP2008/056213 WO 20080328
- International Announcement: WO2008/123460 WO 20081016
- Main IPC: D02G3/00
- IPC: D02G3/00 ; H02G3/00

Abstract:
The present invention relates to an electrical contact material having a surface layer made of a noble metal or an alloy having the noble metal as its main component, a method for manufacturing the same and an electrical contact using the same. Recently, electrical contact materials having excellent abrasion resistance are used for sliding electrical contacts such as a connector terminal of an automobile harness, a contact switch mounted in a cellular phone and terminals of a memory card. Although there have been known ones having an organic coating film composed of either aliphatic amine or mercaptan or a mixture of the both provided on the electrical contact material described above as the electrical contact materials having excellent abrasion resistance, they have had problems that even though they are effective with a low load of 0.5 N or below, abrasion accelerates when the load exceeds 0.5 N and sliding characteristics drop under a high-temperature environment. The invention solves the abovementioned problems by providing an organic coating film formed of an organic compound containing aliphatic amine on the electrical contact material.
Public/Granted literature
- US20100101831A1 ELECTRICAL CONTACT MATERIAL, METHOD FOR MANUFACTURING THE SAME AND ELECTRICAL CONTACT Public/Granted day:2010-04-29
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