Figure 8
(a) Atomic force microscopy image of a (100) silicon die with concave nano-pyramids. (b) Convex nano-pyramids of a BMG forged with the die in (a). (c) Die of gears fabricated using a focused ion beam system with a zirconium-based BMG. (b) Die-forged micro gears of a platinum-based BMG (Courtesy of Y. Saotome, Tohoku University, Japan).
