Patent ID: 8278699

Claim:
A nonvolatile semiconductor memory device comprising: a memory unit configured to store information; and a non-memory unit juxtaposed with the memory unit and not configured to store information, the memory unit including: a first stacked structure including a plurality of first electrode films stacked in a first direction, and a first interelectrode insulating film provided between the plurality of first electrode films; a first select gate electrode stacked with the first stacked structure along the first direction; a first semiconductor pillar piercing the first stacked structure and the first select gate electrode along the first direction; and a first pillar portion memory layer provided between the plurality of first electrode films and the first semiconductor pillar, and the non-memory unit including: a dummy conductive film including a portion being in a layer identical to at least one of the plurality of first electrode films; a dummy select gate electrode being in a layer identical to the select gate electrode; a first non-memory unit contact electrode electrically connected to the dummy conductive film and extending along the first direction; and a second non-memory unit contact electrode electrically connected to the dummy select gate electrode and extending along the first direction.