A study in selectivity variations of WCMP slurries related to pH, zeta-potential and dilutions with de-ionized water - Gianni, Davide; Ardizzone, Silvia; Cappelletti, Giuseppe; Maspero, Angelo; Monticelli, Damiano; Spinolo, Giulia; Masciocchi, Norberto; Zwicker, G; Borst, C; Economikos, L; Philipossian, A (ADVANCES AND CHALLENGES IN CHEMICAL MECHANICAL PLANARIZATION, 2007)