| abstract |
Provided are an electric contact material having a surface layer which is composed of a noble metal or an alloy having the noble metal as a main component, a method for manufacturing the electric contact material and an electric contact using the electric contact material. Recently, electric contact materials having excellent abrasion resistance are used for sliding electric contacts, such as a connector terminal for an automobile harness, a contact switch mounted in a cellular phone and a memory card terminal. As the electric contact materials having excellent abrasion resistance, materials which have an organic film composed of either an aliphatic amine or mercaptan or a mixture of the both on the electric contact materials, are known. However, though the materials are effective with a low load of 0.5N or below, with a load over 0.5N, abrasion advances at an accelerating pace and sliding characteristics deteriorate under high-temperature environment. The above mentioned problem is solved by arranging an organic film formed of an organic compound including an aliphatic amine on the electric contact material. |