| 摘要 |
A nonvolatile semiconductor memory device includes: a source-line-side diode an anode region that is connected to a source line; a bit-line-side diode a cathode region that is connected to a bit line; and memory cell string connected between a cathode region of the source-line-side diode and an anode region of the bit-line-side diode. The memory cell string includes a series connection of a plurality of memory cell transistors. The source-line-side diode is formed in a contact for connecting the source line and the memory cell string in a first direction perpendicular to a semiconductor substrate. The bit-line-side diode is formed in a contact for connecting the bit line and the memory cell string in the first direction.
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