Evaporation and sputter deposition [15] 1. a)In the plasma of a sputter deposition system, consider an argon atom that is ionized during a collision in the plasma. i) Express the ratio of the acceleration of the liberated electron to that of the argon ion in terms of M and m, the mass of the ion and electron; give the numerical value of this ratio, and say in which
2.2 Estimating Overall Forces -Vertical dead loads(5～10kN/m²) -Vertical live loads = equivalent dead loads(2～5kN/m²) - Horizontal wind load - Horizontal earthquake load 2.3 Aspect Ratios and Overturn Resistance Aspect ratio (h/d) is one of the main considerations in schematic level. It is very important for overall stability of a building against overturning. 2.4 Strength and Stiffness of Buildings Carrying capacity –enough strength (against loads) Rigidity of building – enough stiffness (against deformation) 2.5 Symmetry and Asymmetry in Building Forms Asymmetry building is caused by: - asymmetry of building elevation - asymmetry of supporting system - asymmetry of dead loads or live loads
