... /Cu, AgNi/Cu, AgSnO2/Cu, AgSnO2In2O3/Cu, AgCu/Cu, AgZnO/Cu, AgCdO/Cu, etc.Tri-metal Electrical Contacts: AG/Cu/AG, FAG/Cu/FAG, AgNi/Cu/AgNi, AgSnO2/Cu/AgSnO2, AgSnO2In2O3/Cu ... \Pd\PT and its alloy materials; Base material generally chooses pure copper which has better formation and electricity conductivity. Precious metal materials ...