| 摘要 |
<p>A gas supply device disposed opposite to a substrate mounted on a stage in a processing container and supplying a process gas for processing the substrate comprises a top plate member having a recess formed to spread gradually toward the stage in order to constitute a gas diffusion space at a position facing the substrate on the stage, and a gas supply nozzle projecting into the recess from the top thereof and having a plurality of gas supply holes along the circumferential direction of the recess.</p> |
