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Science 10 January 2003:
Vol. 299. no. 5604, pp. 210 - 211
DOI: 10.1126/science.1079567
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Perspectives

Also see the archival list of Science's Compass: Enhanced Perspectives

APPLIED PHYSICS:
Enhanced: Moore's Law Forever?

Mark Lundstrom

According to Moore's law, the number of transistors on a chip should double in each technology generation. For more than 30 years, compliance with this law has been driven by the shrinking of transistor dimensions. But as Lundstrom explains in his Perspective, device physics and the limitations of existing materials pose restrictions on how far transistor dimensions can be reduced. Moore's law may nevertheless survive as device engineers build layers of devices on chips or use new approaches such as molecular electronics.

The author is at the School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA. E-mail: lundstro{at}purdue.edu

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