Patent ID: 7297599
Filing Date: 2007-11-20
Classification: H01L

Abstract:
1. A method of fabricating a semiconductor device, comprising: forming on a semiconductor substrate a gate electrode with a gate insulating film being interposed therebetween; forming an insulating film for element isolation protruding from a surface of the semiconductor substrate; forming an oxide film on the surface of the semiconductor substrate with the gate electrode and the element isolation insulating film having been formed; removing the oxide film in a region in which a self-aligned contact hole is to be formed while using a resist pattern for removing the oxide film formed in a region in which the self-aligned contact hole is formed; and etching a part of the element isolation insulating film protruding from the surface of the semiconductor substrate so that said part is substantially on a level with the surface of the semiconductor substrate, while using the resist pattern for removing the oxide film formed in the region in which the self-aligned contact hole is formed.