1. G. Kokkoris, A. Tserepi, A. G. Boudouvis, and E. Gogolides, Simulation of SiO2 and Si feature etching for microelectronics and microelectromechanical systems fabrication: A combined simulator coupling modules of surface etching, local flux calculation, and profile evolution, Journal of Vacuum Science & Technology A 22, 1896-1902 (2004). 2. G. Kokkoris, A. G. Boudouvis, and E. Gogolides, Integrated framework for the flux calculation of neutral species inside trenches and holes during plasma etching, J. Vac. Sci. Tech. A 24, 2008 (2006).