Patent ID: 6171401
Filing Date: 2001-01-09
Classification: B05C,B05D,G03F,H01L

Abstract:
A liquid dispense apparatus, comprising:a chuck having a support;a dispense nozzle directed toward said support; anda controller connected to said dispense nozzle and said chuck containing instructions which, when executed by said controller, perform the method including:rotating said chuck at a first speed;dispensing a process liquid from said dispense nozzle during the rotation of said chuck at the first speed;decelerating said chuck from the first speed to a second speed;terminating dispensing during the deceleration of said chuck from the first speed to the second speed;reinitiating the dispensing of the process liquid during the rotation of said chuck at the second speed; anddistributing the process liquid while rotating said chuck at the reduced second speed.