Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
12340334
Date Filed
December 19, 2008
Patent Primary Examiner
Patent abstract
A semiconductor device includes a seal ring formed on an outer circumference of an element forming region when seen from the top in a multilayer interconnect structure formed on a silicon layer, and dummy metal structures formed on a further outer circumference of the seal ring. The more inner circumference side the dummy interconnect is formed on, the more upper layer the dummy interconnect is arranged on.
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