[[File:Micro structure of2.jpg|right|thumb|Micro structure of W/Cu 70/30 G, W/Cu 70/30 H, W/Cu 70/30 F, W/Cu 80/20 H]]

Table 2.40: Contact and Switching Properties of Copper–Tungsten

(CUWODUR) Contact Materials

Table 2.41: Application Examples and Forms of Supply for Tungsten–