Patent ID: 8268087

Claim:
A liquid processing apparatus comprising: a hollow holding plate configured to hold an object to be processed; a hollow outer rotational shaft fixedly connected to the holding plate; a rotary drive part configured to rotate the outer rotational shaft in a predetermined rotational direction; a lift pin plate disposed in a hollow space of the holding plate, and having a lift pin configured to support the object to be processed; a cleaning-liquid supply part disposed inside the holding plate, the cleaning-liquid supply part being configured to supply a cleaning liquid to the object to be processed held by the holding plate; and a lifting member configured to raise and lower the lift pin plate so as to locate the lift pin plate on an upper position and a lower position; wherein, when the lift pin plate is located on the lower position, the lift pin plate is rotated by receiving a force imparted from the rotary drive part for rotating the outer rotational shaft.