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, May 28, 2020, Subscribers: 28,990, Companies: 11,012, Users: 25,834 Head-on-Pillow Defect Detection - X-ray Inspection Limitations Credits: Ericsson AB Both the number and the variants of Ball Grid Array packages (BGAs) are tending
