An equivalent doping profile for CMOS substrate characterization

► Work shows a method to obtain equivalent doping profiles of CMOS substrates. ► Based on resistive measurements at different temperatures and 3D simulations. ► Enables foundries to provide box distribution profiles for CMOS circuit design. ► Enables the development of analytical impedance model, su...

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Veröffentlicht in:Solid-state electronics 2013-01, Vol.79, p.185-191
Hauptverfasser: Quaresma, Henrique J., Mendonça dos Santos, P., Cruz Serra, A.
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container_title Solid-state electronics
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creator Quaresma, Henrique J.
Mendonça dos Santos, P.
Cruz Serra, A.
description ► Work shows a method to obtain equivalent doping profiles of CMOS substrates. ► Based on resistive measurements at different temperatures and 3D simulations. ► Enables foundries to provide box distribution profiles for CMOS circuit design. ► Enables the development of analytical impedance model, suitable to EDA tools. This work presents a non-destructive methodology to accurately estimate an equivalent substrate doping profile of a typical CMOS process. The methodology is based on simple experimental resistive measurements at different temperatures, obtained from a set of basic integrated test structures, and in 3D semiconductor simulations, to compute an estimate for the unknown CMOS process parameters. It is demonstrated that the resultant box distribution equivalent doping profile could be used to evaluate the variation of the substrate impedance as a function of temperature and substrate contact distance.
doi_str_mv 10.1016/j.sse.2012.06.017
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subjects Applied sciences
CMOS
CMOS technology
Design. Technologies. Operation analysis. Testing
Doping
Electronics
Equivalence
Estimates
Exact sciences and technology
Integrated circuits
Inverse modelling
Methodology
Nondestructive testing
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Semiconductors
Substrate characterization
Testing, measurement, noise and reliability
Three dimensional
title An equivalent doping profile for CMOS substrate characterization
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