Patent ID: 8027017

Claim:
A substrate treating apparatus, comprising: a treating room providing a space where a substrate treating process is performed; a chuck member which is installed on an inside of the treating room and on which a substrate is placed; a chuck cleaning member which is installed to be adjacent to the chuck member and includes a cleaning tool removing a foreign substance on a substrate loading surface of the chuck member, wherein the chuck cleaning member comprises: a first driving member providing a rotatory power to the cleaning tool; a horizontal supporting rod disposed horizontally and having one end, the first driving member being installed at the one end of the horizontal supporting rod; a vertical supporting rod which is connected to the other end of the horizontal supporting rod and disposed to be perpendicular to the horizontal supporting rod; and a second driving member providing a rotatory power to the vertical supporting rod; and a tool cleaning member cleaning the cleaning tool, wherein the tool cleaning member comprises: a treating bath with an opened top which provides a space in which the cleaning tool is received; a treating solution supply unit supplying a treating solution to the treating bath; and a drain unit including a drain line connected to a drain hole formed on a wall of the treating bath.