Microscopic Examination of Cold Spray Cermet Sn+In₂O₃ Coatings for Sputtering Target Materials

Figure 4

Micrographs (SEM) of feedstock prepared by mixing, powder 1 (a), milling with vibrating one-ball mill, powder 2 (b), and milling with ball mill, powder 3 (c).

(a)

(b)

(c)