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, January 7, 2016, Subscribers: 23,975, Members: Companies: 14,885, Users: 39,703 Effect on Microwave Plasma Surface Treatment for Improved Adhesion Strenght of Direct Copper Plating on PTFE Akira Takeuchi, Takahiro Kurahashi
SMTnet Express, February 19, 2015, Subscribers: 22,404, Members: Companies: 14,224, Users: 37,735 Numerical Study on New Pin Pull Test for Pad Cratering Of PCB Billy Hu, Jesus Tan - Flextronics Pad cratering is an important failure mode besides
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