journal article·1991-04-01

Correlation of Chemical Microstructure with Solderability of PCBs

J.L. Marshall, D.E. Miiller, J. Sees, S.E. Matteson, D. Weathers, L. Lichtenberg

Circuit World· Volume 18· Issue 1
Publisher page

Abstract

A combination of analytical methods was used on printed circuit board coupons to conclude the following: (1) while steam ageing deteriorates solderability of tinned coupons, it does not increase the oxide thickness or tin-lead ratio of the surface (top 50 Angstroms) of tinned coupons; (2) therefore, some other factor, probably oxidation of the copper or tin/copper intermetallic substrate, determines solderability of the coupons.
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Research context

OpenAlex topics: Electronic Packaging and Soldering Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

The Center for Materials Characterization, University of North Texas, Denton, Texas, USA

Advanced Manufacturing Technology, Motorola Inc., Scottsdale, Arizona, USA

References (11)

Show source-provided references
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6. 10.1366/000370279492585910.1366/0003702794925859 ↗
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8. Grondahl, V.J., Proceedings 14th Annual Electronics Manufacturing Seminar, Naval Weapons Center, China Lake, CA, p.309 (1990).
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