Applying the dynamical model of drying process of a polymer solution coated on a flat substrate to effects of bumpy substrate

摘要

We apply the former general dynamical model of drying process of polymer solution coated on a flat substrate for flat polymer film fabrication to concrete detailed subjects. Concretely we apply the model to effects of a bumpy substrate as an example. We understand that a humpy structure on a substrate does not affect nearly solute's distribution after drying because effects of diffusion around the hump are sufficiently effective as far as the hump interfere with diffusion. We also understand that when the beginning time of special vaporization near a hump is earlier, solute's distribution after drying except for at the edge's region is thinner a little because leveling including the edge's region by diffusion is more effective.