Characterization of dynamic friction in MEMS-based microball bearings. - Ta-Wei Lin; Alireza Modafe; Benjamin Shapiro; Reza Ghodssi (IEEE Trans. Instrum. Meas., 2004)

An empirical model for dynamic friction in microfabricated linear microball bearings. - Xiaobo Tan; Alireza Modafe; Reza Ghodssi (ACC, 2005)