| 摘要 |
A method of manufacturing a MOSFET includes the steps of preparing a substrate with an epitaxial growth layer made of silicon carbide, performing ion implantation into the substrate with the epitaxial growth layer, forming a protective film made of silicon dioxide on the substrate with the epitaxial growth layer into which the ion implantation was performed, and heating the substrate with the epitaxial growth layer on which the protective film was formed to a temperature range of 1600° C. or more in an atmosphere containing gas including an oxygen atom.
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