Patent ID: 9673215
Date: 2017-06-06
CPC Classifications: H01L

Claim:
1. A semiconductor device, comprising: a substrate; a stacked body stacked on the substrate, the stacked body including a plurality of metal layers, a plurality of insulating layers, a plurality of metal oxide films, a plurality of first metal nitride films, a plurality of second metal nitride films, and a plurality of intermediate films, the metal oxide films being provided between the metal layers and the insulating layers, the first metal nitride films being provided between the metal oxide films and the metal layers, the second metal nitride films being provided between the first metal nitride films and the metal layers, the intermediate films being provided between the first metal nitride films and the second metal nitride films, the intermediate films being of a different type of material from the metal oxide films; a semiconductor body extending in a stacking direction of the stacked body through the stacked body; and a stacked film provided between the semiconductor body and the metal layers, the stacked film including a charge storage film.