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January 29th, 2004
Chemicals map nanowire arrays
With today's chipmaking technologies likely to reach physical limits in the next decade or so, researchers have been working on alternative approaches to making smaller computer circuits. One promising possibility is arrays of nanowires whose junctions form tiny, densely packed transistors. Transistors are electrical switches that are the building blocks of computer chips. Nanowires measuring a few nanometers in diameter could enable computer chips that pack a trillion transistors per square centimeter, which is several orders of magnitude more than current chipmaking technologies are likely to achieve.
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