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SK Hynix begins to use EUV lithography to manufacture 1nm DRAM


South Korean giant SK Hynix, Announced today The company has officially started using extreme ultraviolet (EUV) lithography to manufacture its 1nm DRAM products. The first product manufactured using this process is an 8 Gigabit (Gb) LPDDR4 mobile DRAM chip.

It runs at a speed of 4266Mbps, which is the fastest speed in the LPDDR4 standard. Due to the new process, the power consumption of this new chip is reduced by 20%. In order to demonstrate the effectiveness of the 1anm process, SK Hynix claims that EUV enables it to obtain 25% more chips on the same size wafer, which translates into a 25% increase in density.


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