Patent ID: 8887741
Filing Date: 2014-11-18
Classification: H01L

Abstract:
1. An apparatus for performing a liquid processing comprising: a substrate holder configured to hold a substrate to be processed horizontally; a chemical liquid supplying unit configured to supply chemical liquid to a circumferential edge of the substrate while rotating the substrate around a vertical axis; a cover member arranged at an upper surface of the substrate held on the substrate holder to oppose the substrate and have a space therebetween; a gas supplying port provided on the cover member to supply gas to the space; a lamp heater provided in the space along a circumferential direction of the substrate configured to heat the circumferential edge of the substrate; and a protrusion provided at the circumferential edge of the cover member along the circumferential direction protruding downward, so as to form a gap, a height of the gap being smaller than a height between the substrate and the cover member, in the space where the lamp heater is provided, wherein a supplying position of the chemical liquid from the chemical liquid supplying unit is closer to the circumferential edge than a placing position of the lamp heater.