| 摘要 |
In an apparatus for forming a layer, the apparatus includes a processing chamber, a chuck, a gas-supplying unit, and a pipe unit. The chuck for supporting a substrate is disposed in the processing chamber. The gas-supplying unit supplies a source gas for forming a layer on the substrate and a purge gas for purging the inside of the processing chamber to the processing chamber. The pipe unit transfers the source gas and the purge gas to the processing chamber at a temperature that falls between the temperature of condensation and a reaction temperature for the source gas so that condensation or deposition reaction does not occur until the source gas enters the processing chamber. A heater located outside of the chamber heats the purge gas that is supplied to the processing chamber to a predetermined temperature.
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