| 摘要 |
A method of manufacturing a semiconductor device includes forming a trench for isolation on a surface of a substrate including a semiconductor substrate, filling the trench with a solution containing a perhydrosilazane polymer by applying the solution on the substrate, converting the solution into a film containing the perhydrosilazane polymer by heating the solution, and converting the film into a silicon dioxide film including heating the film at a first temperature in an atmosphere containing vapor, and heating the film heated at the first temperature at a second temperature lower than the first temperature in an atmosphere containing vapor or in pure water.
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