Patent ID: 8316795

Claim:
A liquid processing apparatus that forms a coating film by supplying and pouring a coating solution from a coating solution nozzle onto a surface of a substrate held substantially horizontally by a substrate holder, the apparatus comprising: a nozzle transfer mechanism configured to move the coating solution nozzle above the substrate held by the substrate holder; a nozzle bath configured to keep the coating solution nozzle at a standby position; a dispense controller configured to control, in the nozzle bath, a pouring operation of the coating solution from the coating solution nozzle, a suction operation of the coating solution and an anti-drying liquid for the coating solution, and a discharge operation of the anti-drying liquid; a controller configured to control the dispense controller; a determination processing unit that is provided in the controller and configured to analyze and check image data of the coating solution nozzle photographed by an imaging unit; a display unit configured to display the photographed image data of the coating solution nozzle and input a setting value; and a soft scale having graduations which are displayed in the display unit to be overlapped with the image data of the coating solution nozzle photographed by the imaging unit in a vertical direction, wherein the determination processing unit is further configured to make a determination by comparing the setting value set by the graduations of the soft scale with suction positions of the coating solution and the anti-drying liquid in the coating solution nozzle with reference to the photographed image data of the coating solution nozzle operated by the controller, such that the coating solution and the anti-drying liquid in the coating solution nozzle are positioned at an optimum position on the display unit, and the controller is further configured to control the dispense controller based on the determination to perform an anti-drying adjustment of the coating solution in a leading end portion of the coating solution nozzle.