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June 16th, 2010
The Problem With Quantum Lithography
Abstract:
In fact, it's hard to see how chipmakers are going to cope with light beyond the extreme ultraviolet.
At least, it was hard until 2000 when a group of physicists proved that it was possible to get around this limit by using entanglement, the weird phenomenon in which quantum objects like photons share the same existence.
But the fact that so-called quantum lithography is possible at all came as a huge relief to lithographers.
They may not be so happy this morning, however. Christian Kothe at the Royal Institute of Technology in Sweden and a few pals have shown that there is a fundamental problem with quantum lithography: it just doesn't work very well.
Source:
technologyreview.com
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