Patent ID: 8591993
Filing Date: 2013-11-26
Classification: C23C,Y10T

Abstract:
1. An epitaxial wafer manufacturing apparatus comprising: a chamber; a gas introduction port provided in the chamber and configured to introduce a reaction gas into the chamber; a gas exhaust port provided in the chamber and configured to exhaust the reaction gas from inside the chamber; a rotating unit provided inside the chamber and having a vertical wall; a wafer holder provided in an upper portion of the rotating unit and configured to hold a wafer; and an annular flow-regulating wall being spaced from the rotating unit and the wafer holder, the annular flow-regulating wall surrounding the upper portion of the rotating unit and an upper portion of the wafer holder, and the annular flow-regulating wall including an upper end, a lower end, and a portion extending continuously from the upper end to the lower end, wherein: