Patent ID: 7217972
Filing Date: 2007-05-15
Classification: H01L

Abstract:
1. A semiconductor storage device, comprising: a semiconductor layer; a stacked body including a first insulating layer, a charge trapping layer, and a second insulating layer that are provided above the semiconductor layer; a gate electrode provided above the stacked body; a side wall insulating layer provided at a side of the gate electrode; and an impurity region provided in the semiconductor layer, an end surface of the stacked body being positioned outside an end surface of the gate electrode, an end surface of the first insulating layer, an end surface of the charge trapping layer, and an end surface of the second insulating layer being positioned between the end surface of the gate electrode and an end surface of the side wall insulating layer. the distance between the end surface of the stacked body and the end surface of the gate electrode being equal to or more than ten nanometers.