Patent ID: 7982261
Filing Date: 2011-07-19
Classification: H01L

Abstract:
1. A nonvolatile semiconductor memory device, comprising: a first stacked body including a plurality of insulating films alternately stacked with a plurality of electrode films; a second stacked body provided on the first stacked body, the second stacked body including a plurality of insulating films alternately stacked with a plurality of electrode films; a through-hole extending in a stacking direction of the first and second stacked bodies to pass through the first and second stacked bodies; an insulating layer formed on an inner face of the through-hole; and a semiconductor pillar buried in an interior of the through-hole, a central axis of a second portion of the through-hole formed in the second stacked body being shifted in a direction intersecting the stacking direction from a central axis of a first portion of the through-hole formed in the first stacked body, a lower end of the second portion being positioned lower than an upper end of the first portion.