1. R.H. Dennard, US Patent 3,387,286, 4th June 1968.
2. D.-C. Kim et al., IEDM Techn. Digest, 2001, Session 18-03, p. 399.
3. International Technology Roadmap for Semiconductors (ITRS) 2003. Available from: .
4. J. Amon et al., IEDM Techn. Digest, 2004, Session 03-05.
5. K.H. Kuesters, J. Alsmeier, J. Faul, J. Lützen, T. Zell, Semiconductor Fabtech, 19th ed., 2003, p. 97.