IBM, working with Samsung and GlobalFoundries, has unveiled the world's first 5nm silicon chip. Past the standard energy, efficiency, and density enchancment from shifting to smaller transistors, the 5nm IBM chip is notable for being one of many first to make use of horizontal gate-all-around (GAA) transistors, and the primary actual use of utmost ultraviolet (EUV) lithography.
GAAFETs are the subsequent evolution of tri-gate finFETs: finFETs, that are presently used for many 22nm-and-below chip designs, will in all probability run out of steam at round 7nm; GAAFETs might go all the best way right down to 3nm, particularly when mixed with EUV. Nobody actually is aware of what comes after 3nm.
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