Samsung has announced that it has begun mass production of the industry’s first three-dimensional (3D) V-NAND flash memory using 32 vertically stacked cell layers, its second generation V-NAND offering. Samsung’s 32-layer 3D V-NAND (or Vertical NAND) requires a higher level of design technology to stack the cell arrays than the previous 24-layer V-NAND; however, it still








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