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Oxidation of PB-SN and PB-SN-in Alloys: Bulk VS. Grain boundary regions

Published online by Cambridge University Press:  21 February 2011

D. A. Sluzewski ,
Y. A. Chang  and
V. C. Marcotte
D. A. Sluzewski
Affiliation:
Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706
Y. A. Chang
Affiliation:
Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706
V. C. Marcotte
Affiliation:
IBM General Technology Division, East Fishkill Facility, Hopewell Junction, NY 12533
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Abstract

Air oxidized Pb-Sn and Pb-Sn-In single phase alloys have been studied with scanning Auger microscopy. Line scans across grain boundaries combined with argon ion sputter etching revealed grain boundary oxidation. In the Pb-Sn samples, tin is preferentially oxidized with the grain boundary regions having a much higher percentage of tin oxide than the bulk surface oxide. In the Pb-Sn-In alloys, both tin and indium are preferentially oxidized with the grain boundary regions being enriched with tin and indium oxides.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 167: Symposium K – Advanced Electronic Packaging Materials , 1989 , 353
Copyright
Copyright © Materials Research Society 1990

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References

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