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Discrimination of Surface Textures Using Fractal Methods

Published online by Cambridge University Press:  03 September 2012

Jill P. Card ,
J. M. Hyde  and
T. Giversen
Jill P. Card
Affiliation:
Digital Equipment Corp., 77 Reed Rd., Hudson, MA 01749-2810
J. M. Hyde
Affiliation:
Digital Equipment Corp., 77 Reed Rd., Hudson, MA 01749-2810
T. Giversen
Affiliation:
Digital Equipment Corp., 77 Reed Rd., Hudson, MA 01749-2810
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Abstract

This paper investigates the use of fractal metrics for discrimination of copper surface textures. Measurements of copper surfaces, using contacting profilometry, provided the raw data for the fractal analysis. The samples tested included copper foil samples and a copper lead frame, typical of those in use in plastic electronic packages. The fractal Hausdorf dimension and upper/lower ranges of fractal scale are analyzed by the coastline method and compared using Bonferroni multiple confidence limits. Metrics show significant differences between sample couplets, indicating significant precision in the fractal approach to adequately quantify surface texture qualities.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 367: Symposium P – Fractal Aspects of Materials , 1994 , 113
Copyright
Copyright © Materials Research Society 1995

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