Patent ID: 8444772

Claim:
A liquid processing apparatus, comprising: a support plate to support an object, the support plate including an opening therethrough; a hollow-shaped rotary shaft fixedly connected to the support plate; a rotary drive part to rotate the rotary shaft in a predetermined rotating direction; a lift pin plate arranged in a hollow of the support plate, the lift pin plate including a main body of the lift pin plate and lift pins for supporting the object; a cleaning solution supply and discharge part extended in a hollow of the rotary shaft to supply a cleaning solution to the object supported on the support plate, and to discharge the cleaning solution which has been used to clean the object; an inert gas supply part extended in the hollow of the rotary shaft to supply an inert gas to the object supported on the support plate; and a lift member to arrange the lift pin plate in an upper position or in a lower position, wherein the lift pin plate includes at least one inclined surface relative to a plane defined by the upper surface of the support plate, and, when the lift pin plate is in the lower position, an uppermost end of the inert gas supply part is positioned to be higher than an uppermost end of the cleaning solution supply and discharge part, and to be higher than any of the at least one inclined surface of the lift pin plate.