| 摘要 |
A nonvolatile semiconductor memory includes a memory cell including, a semiconductor substrate, a first insulating layer on the semiconductor substrate, a floating gate on the first insulating layer, a second insulating layer on the floating gate, and a control gate electrode on the second insulating layer, wherein the floating gate is comprised a first conductive layer which is contact with the first insulating layer, a second conductive layer which is contact with the second insulating layer, and a semiconductor layer between the first and second conductive layers, and each of the first and second conductive layer is a metal layer or a silicide layer.
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