Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
experiments in this study were performed on an OSP finished board. Finishes such as OSP which do not have a nickel later represent the worst case scenario with respect to Cu dissolution. An OEM server product was used as the test vehicle throughout this study
| http://etasmt.com/cc?ID=te_news_industry,3561&url=_print
. Pb also acts as a solvent metal that facilitates the formation of intermetallic bonds between the joint constituents, e.g., Sn and Cu (from the leadframe of the device package