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
SMT Express, Volume 4, Issue No. 5 - from SMTnet.com Volume 4, Issue No. 5 Thursday, May 23, 2002 Featured Article Return to Front Page << Back to Page 3 Page 5 >> Thirdly, the actual measurement of component placement starts
SMT Express, Volume 5, Issue No. 3 - from SMTnet.com Return to Front Page << Back to Page 3 Page 5 >> Thirdly, the actual measurement of component placement starts. During QFP analysis, for example, the rotational accuracy can
