Effects of residual S on Kirkendall void
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Jin Yu; J.Y. Kim
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Article
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2008
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Elsevier Science
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English
โ 692 KB
Solder joints of Cu/Sn-3.5Ag were prepared using Cu foil or electroplated Cu films with or without SPS additive. With a high level of SPS in the Cu electroplating bath, voids tended to localize at the Cu/Cu 3 Sn interface during subsequent aging at 150 ยฐC, which was highly detrimental to the drop im