Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroyuki Tomomatsu0
Date of Patent
April 19, 2011
Patent Application Number
12421111
Date Filed
April 9, 2009
Patent Primary Examiner
Patent abstract
A semiconductor device that attenuates light to the circuit element area is provided. The semiconductor device includes light-sensitive element area formed on substrate and a circuit element area formed on the substrate. Additionally, a multilayer wiring area is formed on circuit element area. A Tantalum film (which is generally made of tantalum or a tantalum compound) is formed on the surface of the multilayer wiring area to attenuate incident light on circuit element area.
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