Improvement in Thermomechanical Reliability of Low Cost Sn-Based BGA Interconnects by Cr Addition
The exemption of Pb-bearing automobile electronics in the End of Life Vehicle (ELV) directive has recently angry beavers shirt expired, bring an urgent need to find Pb-free alloys that can maintain good performance under high-temperature and vibration conditions for automobile application.In this study, a new lead-free solder, Sn-0.7Cu-0.2Cr (wt.%)