| 摘要 |
An aspect of the present invention relates to a susceptor comprising a counterbored groove receiving a semiconductor wafer in the course of manufacturing an epitaxial wafer by vapor phase growing an epitaxial layer on a surface of the semiconductor wafer, wherein a lateral wall of the counterbored groove is comprised of at least one flat portion and at least one protruding portion being higher than the flat portion, and a height of the flat portion is equal to or greater than a thickness of the semiconductor wafer.
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