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https://hdl.handle.net/10356/94701| Title: | Interfacial reaction between Sn-rich solders and Ni-based metallization | Authors: | Kumar, A. Yeo, P. T. He, Min Qi, Guojun Chen, Zhong |
Keywords: | DRNTU::Engineering::Materials | Issue Date: | 2004 | Source: | He, M., Kumar, A., Yeo, P. T., Qi, G., & Chen, Z. (2004). Interfacial reaction between Sn-rich solders and Ni-based metallization. Thin Solid Films, 462-463, 387-394. | Series/Report no.: | Thin solid films | Abstract: | Solid state reaction between Sn-rich solders (Sn–3.5Ag and Sn–37Pb) and two types of Ni-based metallization (electroless Ni–P and sputtered Ni) has been studied. The growth rates of the main intermetallic compound (IMC), Ni3Sn4, at different aging temperatures are obtained and the activation energy calculated. Ni3Sn4 grows faster with Sn–3.5Ag solder than with Sn–37Pb solder under the same aging condition. The activation energy for the IMC growth with Ni–P metallization is higher than that with sputtered Ni metallization. Kirkendall voids are found inside Ni3P layer after thermal aging in the solder/Ni–P UBM systems. This is the result of unbalanced element diffusion in solid state reaction between Sn-rich solders and Ni–P metallization. No voids are formed in solder/Ni system. | URI: | https://hdl.handle.net/10356/94701 http://hdl.handle.net/10220/8149 |
DOI: | 10.1016/j.tsf.2004.05.062 | Rights: | © 2004 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Thin Solid Films, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.tsf.2004.05.062]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | MSE Journal Articles |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 35. Interfacial Reaction between Sn-Rich Solders and Ni-Based Metallization.pdf | 1.01 MB | Adobe PDF |  View/Open |
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