Patent ID: 6348417
Filing Date: 2002-02-19
Classification: C30B,H01L

Abstract:
A method of manufacturing a semiconductor device, comprising the steps of:inserting a semiconductor wafer into a furnace tube; heating said furnace tube up to a temperature necessary for oxidation treatment of said semiconductor wafer and stabilizing the temperature; and oxidizing said semiconductor wafer in said furnace tube, wherein, in the step of inserting, anyone of inert gas and nitrogen gas is introduced into said furnace tube and oxidative gas is supplied to said semiconductor wafer at an insertion opening at one end of said furnace tube, anyone of inert gas and nitrogen gas is introduced into said furnace tube in the step of heating, and oxidative gas is introduced into said furnace tube in the step of oxidizing, anyone of inert gas and nitrogen gas being introduced into the other end of said furnace tube.