| 摘要 |
In a method of manufacturing a semiconductor device, an insulating film is formed on a semiconductor substrate. A semiconductor film pattern is formed on the insulating film. A direct thermal nitriding method is performed to at least a portion of the semiconductor film pattern. The direct thermal nitriding method is performed by lamp annealing in a gas composed of nitrogen such that a thermally nitrided film has a film thickness of equal to or thicker than 1.5 nm. Thus, invasion of a hydrogen atom or ion into the semiconductor film pattern can be prevented.
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