Patent ID: 7677915
Filing Date: 2010-03-16
Classification: H01H,H01R

Abstract:
1. An electrical contact member suitable for electrically interconnecting two conductive members the two conductive members movable relative to each other, and are part of medium-voltage or high-voltage electrical apparatus, the contact member comprising: a strength-imparting base layer made of an electrically conductive material; and a coating layer formed from metallic silver and configured to come into contact with the two conductive members, the coating layer being present over at least a portion of an outer surface of the base layer, wherein the coating layer has a micro-structure formed by pure silver crystals, with a presence of nodules made of silver and of an additional metallic material formed by at least one additional metal that is different from silver, the additional material being present in the coating layer in a proportion of less than 1% by weight, or less than 0.5% by weight, and or less than 0.1% by weight.