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, December 5, 2019, Subscribers: 32,833, Companies: 10,936, Users: 25,393 Masking for Conformal Coatings Credits: ACI Technologies, Inc. Conformal coatings are regularly employed to protect the surface of a soldered printed circuit
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