Ifthisbump is soldered to thepadon a packaging substrate, soldergets wetinthe wholeregion of the columnar bump uppersurfaceand only a partoftheside surface.
In addition, information tech projection Hitachi flat-screen TV has ever produced (President: Kenichi Yoshitake) is the production technology and techniques such as optical plastic substratepackaging technology developed in the manufacture of flat-screen televisions and other video equipment will continue to contract manufacturing products outside the Hitachi Group.