Power Beam
Research update: Sharpening the lines (MIT)
The microchip revolution has seen a steady shrinking of features on silicon
chips, packing in more transistors and wires to boost chips’ speed and data
capacity. But in recent years, the technologies behind these chips have begun
to bump up against fundamental limits, such as the wavelengths of light used
for critical steps in chip manufacturing.
Now, a new technique developed by researchers at MIT and the University of
Utah offers a way to break through one of these limits, possibly enabling
further leaps in the computational power packed into a tiny sliver of silicon.
A paper describing the process was published in the journal _Physical Review
Letters_ in November.
Postdoc Trisha Andrew PhD ’10 of MIT’s Research Laboratory of Electronics, a
co-author of this paper as well as a 2009 paper that described a way of
creating finer lines on chips, says this work builds on that earlier method.
But unlike the earlier technique, called absorbance modulation, this one
allows the production of complex shapes rather than just lines, and can be
carried out using less expensive light sources and conventional chip-
manufacturing equipment. “The whole optical setup is on a par with what’s out
there” …
GigaH.D ft Slyy-Power Beam (Jerkin Song) (New Music November)
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