Characterization of Magnetron Sputtered Coatings by Pulsed Eddy Current Techniques.

Autor: Mulligan, Chris, Lee, Changqing, Danon, Yaron
Předmět:
Zdroj: AIP Conference Proceedings; 2005, Vol. 760 Issue 1, p1721-1728, 8p
Abstrakt: A method that uses induced pulsed eddy currents for characterization of thick magnetron sputtered Nb coatings on steel is presented in this paper. The objectives of this work are to develop a system for rapid quantitative nondestructive inspection of coatings as well as to determine the correlation between coating properties, such as density and purity, and eddy current measured resistivity of coatings. A two-probe differential system having higher sensitivity and less noise than a one-probe system with 2-D scanning ability was developed. © 2005 American Institute of Physics [ABSTRACT FROM AUTHOR]
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