Head-in-Pillow BGA Defects . Karl Seelig . AIM . Cranston, Rhode Island, USA . Head-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the
Dye and Pry of BGA Solder Joints www.cascade-eng.com Reliability Engineering Group Cascade Engineering Services, Inc. 6640 185th Ave NE Redmond WA 98052
MicroStar BGA Packaging Reference Guide iii Introduction The parallel pursuit of cost reduction and miniaturization in recent years has given rise to an increasing emphasis