Head-in-Pillow BGA Defects Head-in-Pillow BGA Defects. Head-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the solder paste deposit wets the pad, but does not fully wet the ball. This results in a solder joint
Leaded and Lead-Free Solder Paste Evaluation Screening Procedure Leaded and Lead-Free Solder Paste Evaluation Screening Procedure Numerous studies have shown that greater than 60% of end of line defects in SMT assembly can be traced to solder
SMTnet Express, June 12, 2014, Subscribers: 22834, Members: Companies: 13899, Users: 36331 Instrumentation for Studying Real-time Popcorn Effect in Surface Mount Packages during Solder Reflow Arijit Roy; World Academy of Science, Engineering
SMTnet Express, December 31, 2015, Subscribers: 23,946, Members: Companies: 14,865, Users: 39,660 Study on Solder Joint Reliability of Fine Pitch CSP Yong Hill Liang, Hank Mao, YongGang Yan, Jindong (King) Lee; AEG, Flex (Flextronics International
