Patent ID: 9406691
Filing Date: 2016-08-02
CPC Classification: H01L

Claim Text:
1. A non-volatile semiconductor storage device, comprising: a stacked structural unit including a plurality of electrode films stacked in a first direction, the plurality of electrode films including a first electrode film, a second electrode film and a first inter-layer insulating film provided between the first electrode film and the second electrode film; a silicon pillar extending through the stacked structural unit in the first direction; a first insulating film provided between the first electrode film and the silicon pillar; a second insulating film provided between the second electrode film and the silicon pillar; a first silicon film provided between the first insulating film and the silicon pillar; a second silicon film provided between the second insulating film and the silicon pillar; a tunnel insulating film including parts provided between the first silicon film and the silicon pillar, and between the second silicon film and the silicon pillar.