| 摘要 |
A method of fabricating a semiconductor device includes applying a coating oxide film to a surface of a substrate including a semiconductor substrate so that a recess formed in the surface is filled with the coating oxide film, applying a steam oxidation treatment to the substrate at a first temperature, soaking the substrate in heated water while applying a megasonic wave to the substrate in the heated water, and applying a steam oxidation treatment to the substrate at a second temperature higher than the first temperature.
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