US Patent 7652351 Semiconductor device and method of manufacturing the same

A semiconductor device according to an embodiment of the present invention includes a plurality of chip regions and a plurality of chip rings. The plurality of chip regions include semiconductor integrated circuits each having a multilayered wiring structure using a metal wiring, and are formed into independent chips. The plurality of chip rings has the multilayered wiring structure using the metal wiring, and surround the respective chip regions. The plurality of chip rings are electrically connected to one another.