کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7991884 | 1516144 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Pronounced effects of Zn additions on Cu-Sn microjoints for chip-stacking applications
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The strong effects of Zn addition on the reaction between Sn-based solders and Cu substrate are widely known. Nevertheless, all of the previous studies are limited to the situation in which the solder volume was relatively large, and the effects of Zn on the much smaller microjoints remain unclear. In this work, the effect of Zn addition on the reaction in microjoints is investigated. Sandwich structures of Cu/Sn/Cu and Cu/SnxZn/Cu (xâ¯=â¯0.4, 0.7, and 1â¯wt%) are prepared by thermal compression bonding. The thickness of Sn or SnxZn layer is controlled at 10â¯Î¼m. It is found that Zn addition significantly retards the growth of Cu3Sn, and the growth of Cu6Sn5 is also slowed down. The results of this study suggest that it is possible to avoid the total conversion of Sn into brittle intermetallics during the lifetime of microjoints by the addition of a proper amount of Zn.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 750, 25 June 2018, Pages 570-576
Journal: Journal of Alloys and Compounds - Volume 750, 25 June 2018, Pages 570-576
نویسندگان
Y.W. Wang, T.L. Yang, J.Y. Wu, C.R. Kao,