NAND flash was invented by Toshiba in 1989 and entered commercial mass production in the early 2000s. Since NAND flash has much faster access speed than mechanical hard drives, and since small-storage persistent memory products were gaining popularity, memory companies began placing increased focus on NAND flash.
The memory industry (2): The era of makers utilizing manufacturing processes and equipment for both DRAM and 2D NAND flash
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