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World's first five-nanometre silicon chip.

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IBM, working with Samsung and GlobalFoundries, has built the world's first five-nanometre silicon chip.



The tiny chip could have a range of uses, including in artificial intelligence (AI) systems, virtual reality and mobile devices.

Power savings could also mean that batteries in smartphones and other mobile products will last three times longer than today's devices



The chip is one of the smallest ever produced, measuring just a few atoms thick - around the diameter of two DNA helices.

The research will enable fingernail-sized chips with 30 billion transistors - the on-off switches of electronic devices.

IBM is presenting details of its research on its 'silicon nanosheet transistors' at the 2017 Symposia on VLSI Technology and Circuits conference in Kyoto, Japan
http://www.vlsisymposium.org/

Scientists working as part of the IBM-led Research Alliance at the SUNY Polytechnic Institute Colleges of Nanoscale Science and Engineering in Albany, New York, achieved the breakthrough by stacking silicon nanosheets.

These stacks of nanosheets were used as the device structure of the transistor, instead of the standard architecture.





A demonstration using the silicon nanosheet transistor proved that five nm chips are possible, more powerful, and not too far off in the future.

Compared to the leading edge 10nm technology available in the market, a nanosheet-based five nm technology gives a 40 per cent performance improvement.

This work is the first in the industry to demonstrate the feasibility to design and fabricate stacked nanosheet devices with superior electrical properties.
 
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