Patent ID: 8366828
Filing Date: 2013-02-05
Classification: C23C,H01J

Abstract:
1. A shower head provided in a processing chamber for processing a substrate therein to face a mounting table for mounting thereon the substrate and formed of a laminated body in which a plurality of plate-shaped members are laminated, the shower head serving to supply one or more gases toward the substrate, the shower head comprising: a first gas supply unit having a first gas channel and first gas injection openings in the laminated body for supplying a first gas to the first gas injection openings through the first gas channel, and then supplying the first gas toward the substrate through the first gas injection openings; a plurality of gas exhaust holes, formed through the laminated body, for exhausting the first gas in a processing space between the laminated body and the mounting table to a gas exhaust port; and a second gas supply unit having a second gas channel and second gas injection openings in the laminated body for supplying a second gas to the second gas injection openings through the second gas channel, and then supplying the second gas toward the gas exhaust port through the second gas injection openings, wherein the second gas channel has a structure such that the second gas is not supplied to the processing space.