Patent ID: 8414972
Filing Date: 2013-04-09
Classification: B05D,G03F,H01L

Abstract:
1. A coating treatment method for a substrate, comprising: a first step of discharging a coating solution from a nozzle to a central portion of the substrate with the substrate being rotated at a relatively high speed to apply the coating solution over the substrate; a second step of decelerating, after said first step, the rotation of the substrate and rotating the substrate at a relatively low speed; and a third step of accelerating, after said second step, the rotation of the substrate to dry the coating solution on the substrate, wherein the discharge of the coating solution by the nozzle in said first step is continuously performed until a middle of said second step, and before the discharge of the coating solution is finished in said second step, the nozzle is moved to move a discharge position of the coating solution from the central portion of the substrate.