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Flying lenses promise cheap chips

  October 27/November 3, 2008
Float a set of lenses an infinitesimal distance above a rapidly spinning disk and you have the makings of an inexpensive way to manufacture computer chips.

An array of metal lenses positioned 20 nanometers above a spinning disk focuses light well below its wavelength, producing lines as narrow as 80 nanometers on the disk.

The flying lens array, which resembles a disk drive read/write head, could be used to make computer chips and other nanoscale electronics more cheaply than traditional chip making techniques and faster than other maskless techniques.

Research paper:
Flying Plasmonic Lens in the near Field for High-speed Nanolithography
Nature Nanotechnology, published online October 12, 2008

Researchers' homepages:
Xiang Zhang
David B. Bogy

Back to TRN October 27/November 3, 2008

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