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Fiber-optics Low-coherence Integrated Metrology for In-Situ Non-contact Characterization of Wafer Curvature for Wafers Having Non-uniform Substrate and Thin Film Thickness
Published online by Cambridge University Press: 01 February 2011
Abstract
Abstract. We propose novel stress metrology technique for measurement of local values stress tensor components in the coated wafers. New metrology is based on fiber-optic low coherence interferometry and can be applied to study stress not only in semicondiuctor wafers but in wide variety applications spanning from semiconductor to construction industry where measurements of plates covered by thin film encountered in flat panel displayes, solar cells, modern windows.
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- Research Article
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- Copyright © Materials Research Society 2005
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