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Title:
MATERIAL FOR MOVABLE CONTACT COMPONENT AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2015117424
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a material for a movable contact component which prevents a silver layer on its surface from being peeled even when being used for a long period of time under such an environment that switching is repeated, and does not increase a contact resistance even when a keying test alternative fretting test is performed, and to provide a method for manufacturing the same.SOLUTION: There is provided a material for a movable contact component which has a conductive substrate 1, a ground layer 2 formed on the conductive substrate 1, an intermediate layer 3 formed on the ground layer 2, and an outermost layer 4 on the intermediate layer 3. The outermost layer 4 is formed of noble metal. Arithmetic average roughnesses Ra in a rolling direction and in a direction vertical to rolling on the surface of the intermediate layer 3 are 0.001-0.050 μm. An absolute value of a difference between the arithmetic average roughnesses in the rolling direction and in the direction vertical to rolling of the intermediate layer 3 is 20% or less with respect to the arithmetic average roughness in the direction vertical to rolling.

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Inventors:
OGA KENICHI
KOBAYASHI YOSHIAKI
IKEGAI KEISUKE
Application Number:
JP2013263109A
Publication Date:
June 25, 2015
Filing Date:
December 19, 2013
Export Citation:
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Assignee:
FURUKAWA ELECTRIC CO LTD
International Classes:
C25D7/00; C25D5/12; C25D5/18; H01H1/04; H01H11/04
Domestic Patent References:
JP2013185193A2013-09-19
JP2009057630A2009-03-19
JP2006193778A2006-07-27
JP2010146926A2010-07-01
JP2010196127A2010-09-09
JP2010242117A2010-10-28
JPS63137193A1988-06-09
JP2010180427A2010-08-19
Foreign References:
WO2013069689A12013-05-16
US20120301745A12012-11-29
Attorney, Agent or Firm:
Toshizo Iida
Naosuke Miyamae



 
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