Common targets and corresponding color 1. Golden Color Series Ti series: Ti       TiN Ti+Au    TiN+Au Ti+Zr    TiZrN Other: Zr          ZrN Zr+Au    ZrN+Au Hf        HfN 2.Black Color Series Ti series: Ti        TiCN Ti (C, O) TiAl    TiAlN Ti50Al50    black Ti30Al70    dark TiAl (C, O, N) Other: Si ...Continue Reading