| 摘要 |
It is an apparatus for semiconductor device production in which a feed gas is fed into a chamber having a semiconductor wafer placed therein to deposit a thin film on the surface of the semiconductor wafer based on a catalyzed chemical reaction. It comprises the chamber for placing a semiconductor wafer therein, a feed gas supply means with which a feed gas which is a raw material for the thin film is sent into the chamber, and a gas-blowing means which has a gas-blowing opening through which the feed gas sent from the feed gas supply means is blown against the surface of the semiconductor wafer placed in the chamber. The gas-blowing means changes in the state of the gas-blowing opening according to the feed gas blowing position to thereby regulate the amount of the feed gas to be blown.
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