Patent 7375427 was granted and assigned to Seiko Epson on May, 2008 by the United States Patent and Trademark Office.
A semiconductor device including a semiconductor element, an electrode pad formed on the semiconductor element, and a bump electrode conductively connected to the electrode pad which includes a resin bump formed on an active face of the semiconductor element and a conductive layer provided from the electrode pad to the surface of the resin bump, the conductive layer and the resin bump being arranged without adhesion.