Patent ID: 7358618
Filing Date: 2008-04-15
Classification: H01L

Abstract:
1. A semiconductor device, comprising: a semiconductor chip; an electrode pad formed on the semiconductor chip; a resin film formed to cover a surface of the semiconductor chip; a post bonded to the electrode pad and provided to penetrate through the resin film, a first portion of which in close proximity to a junction portion with the electrode pad is made of gold; and a passivation layer on the surface of the semiconductor chip, between the semiconductor chip and the resin film and covered by the resin film so as to have a passivation film/resin film interface therewith, the gold portion of the post including a portion facing the passivation film/resin film interface, the first portion of the post in direct contact with the passivation film/resin film interface, a second portion of the post made of a metal material other than gold being separated from the passivation film/resin film interface by the first portion.