The qualification of a C4 bump rework

• Main Authors: Crafts, Doug, Jeng, Kevin, Bruton, Gillian, McGovern, Eamonn, Tirol, D.J. Rean D., Esteban, Carlo
• Format: text
• Published: Animo Repository 1999
• Subjects: Tinplate—Testing; Reliability (Engineering); Engineering Physics; Physical Sciences and Mathematics; Physics
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/13347
• Institution: De La Salle University

In response to an excursion at the Ireland Fab Operations, involving the use of a high Sn bump plating bath efforts were under taken to develop a rework process to save ~ S200M worth of inventory. Sn concentration was found to be 1% higher vs the typical due to the absence of 2-naphtol a Sn inhibito...