| 摘要 |
A non-volatile memory device including a memory string including a plurality of memory cells coupled in series. The non-volatile memory device includes the memory string including a first semiconductor layer and a second conductive layer with a memory gate insulation layer therebetween, a first selection transistor comprising a second semiconductor layer coupled with one end of the first semiconductor layer, a second selection transistor comprising a third semiconductor layer coupled with the other end of the first semiconductor layer, and a fourth semiconductor layer contacting the first semiconductor layer in a region where the second conductive layer is not disposed.
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