| abstract |
Provided is a substrate processing apparatus, including: a processing space configured to process a substrate: an exhaust buffer chamber which is provided so as to surround a lateral circumference of the processing space and into which a gas supplied into the processing space is flowed; and a conductance adjustment plate disposed to face a gas flow path between the processing space and the exhaust buffer chamber, wherein the conductance adjustment plate has R-shaped portion or a tapered inclined portion on an inner peripheral side edge facing the gas flow path from the processing space to the exhaust buffer chamber. |