ELECTRICAL CONTACT MEMBER AND INSPECTION CONNECTION DEVICE
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United States of America Patent
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Oct 22, 2015
app pub date -
Dec 12, 2013
filing date -
Dec 14, 2012
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Abstract
An electrical contact member repeatedly contacts a subject. The surface of the electrical contact member that contacts a subject is configured from a metallic-element-containing carbon coating film containing a metallic element. The surface roughness of the metallic-element-containing carbon coating film formed at an inclined surface that is at 45° with respect to the axial line of the electrical contact member is no greater than a certain value. As a result, it is possible to achieve low adhesiveness to the subject, an increase in contact resistance is stably suppressed over the long term, and it is possible to maintain a stable electrical contact.
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