... Sundararajan and Bhushan (1998).Koinkar and Bhushan (199 6a, b) and Poon and Bhushan (199 5a, b) reported that rms roughness and friction force increase with an increase in scan size at a given scanning ... Microscale Friction and Adhesion Friction and adhesion of magnetic head sliders, magnetic media, virgin, treated and coated Si(111) wafers, and graphite on a microscale have been measured by Kaneko ... et al. (1988, 199 1a) , Miyamoto et al. (1990,199 1a, c), Mate (199 3a, b), Bhushan et al. (199 4a c,e, 199 5a g, 1997c, 1998), Ruan and Bhushan(199 4a c), Koinkar and Bhushan (199 6a, b, 199 7a, b), and...