Patent ID: 8944081
Filing Date: 2015-02-03
Classification: H01L,Y10S

Abstract:
1. A liquid processing apparatus, comprising: a processing chamber in which a substrate holding unit configured to hold a substrate and a cup placed around the substrate holding unit are installed; a guide cup provided at a lower side of the cup including a processing liquid recovering tank attached at a bottom portion thereof such that a processing liquid laterally scattered from the substrate is guided by the guide cup to be collected at the processing liquid recovering tank; a nozzle configured to supply a processing liquid to the substrate held by the substrate holding unit; and a cup cleaning unit configured to clean the cup by supplying a cleaning liquid to an upper part of the cup, wherein a concave portion is formed along an outside surface of the upper part of the cup located above the guide cup such that the concave portion of the cup is disposed entirely above the guide cup and the processing liquid recovering tank, and the cup cleaning unit supplies the cleaning liquid to the concave portion in the upper part of the cup.