Patent ID: 8421236
Filing Date: 2013-04-16
Classification: H01L

Abstract:
1. A semiconductor device comprising: an electrode pad formed above a semiconductor substrate, and being a connecting portion for an external electrical connection; a plurality of insulating films stacked between the semiconductor substrate and the connecting portion; a protective film formed on the plurality of insulating films, and having an opening; a multilayer body including a plurality of first interconnect layers formed in the plurality of insulating films and including an upper interconnect connected to the electrode pad in the opening of the protective film, and a via configured to connect the first interconnect layers; a ring body formed in the plurality of insulating films to surround the multilayer body without interposing space, and including a plurality of second interconnect layers and at least one line via linearly connecting the second interconnect layers; and a lead line electrically connecting the connecting portion to an internal circuit, wherein the upper interconnect has a larger width than the opening of the protective film, the multilayer body is electrically connected to the ring body, the lead line is connected to the ring body, and one of the plurality of first interconnect layers is directly connected to one of the plurality of the second interconnect layers.