US Patent 7928529 Semiconductor device
Patent 7928529 was granted and assigned to Texas Instruments on April, 2011 by the United States Patent and Trademark Office.
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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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Patent Inventor Names
Hiroyuki Tomomatsu0
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US Patent 07928529 Semiconductor device US Patent 7928529 Semiconductor device
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Patent Number
07928529
Patent Number
7928529
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Official Website
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US Patent 07928529 Semiconductor device
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Is a
Current assignee
Patent jurisdiction
Patent number
07928529
Date of patent
April 19, 2011
Patent application number
12421111
Date Filed
April 9, 2009
Patent primary examiner
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