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Journal of Research and Development  
Volume 39, Numbers 1/2, 1995
IBM CMOS Technology
 Table of contents: arrowHTML       arrowCopyright info
   

CMOS scaling into the 21st century: 0.1 µm and beyond

by Y. Taur, Y. J. Mii, D. J. Frank, H. S. Wong, D. A. Buchanan, S. J. Wind, S. A. Rishton, G. A. Sai-Halasz, and E. J. Nowak
This paper describes the design, fabrication, and characterization of 0.1-µm-channel CMOS devices with dual n+/p+ polysilicon gates on 35-Å gate oxide. A 2× performance gain over 2.5-V, 0.25-µm CMOS technology is achieved at a power supply voltage of 1.5 V. In addition, a 20× reduction in active power/circuit is obtained at a supply voltage <1 V with the same delay as the 0.25-µm CMOS. These results demonstrate the feasibility of high-performance and low-power room-temperature 0.1-µm CMOS technology. Beyond 0.1 µm, a number of fundamental device and technology issues must be examined: oxide and silicon tunneling, random dopant distribution, threshold voltage nonscaling, and interconnect delays. Several alternative device structures (in particular, low-temperature CMOS and double-gate MOSFET) for exploring the outermost limit of silicon scaling are discussed.