SYMPOSIA PAPER Published: 01 January 1987

Spreading Resistance : A Comparison of Sampling Volume Correction Factors in High Resolution Quantitative Spreading Resistance


The development of fine geometry devices requires a greater depth of understanding of dopant incorporation mechanisms and the subsequent location of carriers. Spreading resistance is an accepted method for determining carrier concentration profiles. The deconvolution of these profiles from the raw spreading resistance data is a crucial step which uses so called sampling volume correction factors. These are complex and difficult to evaluate but a number of algorithms are available which attempt the necessary integrations and iterations. Five of these algorithms are reviewed and their accuracy and performance are evaluated on real (as opposed to model) data. The need for new methods of data smoothing is highlighted and it is concluded that the so called Berkowitz-Lux algorithm is currently the most successful available.

Author Information

Pawlik, M
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Developed by Committee: F01
Pages: 502–520
DOI: 10.1520/STP25785S
ISBN-EB: 978-0-8031-5021-8
ISBN-13: 978-0-8031-0459-4