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Home Other News I.B.M. Reports Nanotube Chip Breakthrough

I.B.M. Reports Nanotube Chip Breakthrough

SAN FRANCISCO — I.B.M. scientists are reporting progress in a chip-making technology that is likely to ensure that the basic digital switch at the heart of modern microchips will continue to shrink for more than a decade. The advance, first described in the journal Nature Nanotechnology on Sunday, is based on carbon nanotubes — exotic molecules that have long held out promise as an alternative to silicon from which to create the tiny logic gates now used by the billions to create microprocessors and memory chips. Against all expectations, silicon-based chips have continued to improve in speed and capacity for the last five decades.

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