| 摘要 |
A memory device comprising a substrate, a first insulation layer, a charge storage layer, a second insulation layer, a gate electrode layer and source/drain regions is provided. The forbidden gap of the substrate is larger than the forbidden gap of silicon. The first insulation layer is disposed over the substrate. The charge storage layer is disposed over the first insulation layer. The second insulation layer is disposed over the charge storage layer. The gate electrode layer is disposed over the second insulation layer. The gate electrode layer, the second insulation layer, the charge storage layer and the first insulation layer constitute a stacked structure. The source/drain regions are disposed in the substrate adjacent to two sides of the stacked structure.
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