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
SMTnet Express, Octomer 29, 2020, Subscribers: 28,069, Companies: 11,166, Users: 26,207 Solder Joint Reliability of Pb-free Sn-Ag-Cu Ball Grid Array (BGA) Components in Sn-Pb Assembly Process Credits: Sanmina-SCI For companies
SMTnet Express, January 8, 2015, Subscribers: 23,708, Members: Companies: 14,158 , Users: 37,476 The Effect of Pb Mixing Levels on Solder Joint Reliability and Failure Mode of Backward Compatible, High Density Ball Grid Array Assemblies Richard
SMTnet Express, July 16, 2020, Subscribers: 28,512, Companies: 11,045, Users: 25,964 Via In Pad - Conductive Fill or Non-Conductive Fill? Credits: Advanced Circuits In the early 2000s the first fine-pitch ball grid array devices became popular
