Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Howard E. Rhodes0
Date of Patent
May 27, 2008
0Patent Application Number
114852680
Date Filed
July 13, 2006
0Patent Primary Examiner
Patent abstract
An imager having a photodiode with a shallow doping profile with respect to the top surface of a substrate is disclosed. An imager with a graded pinned surface layer, self-aligned to a gate stack is provided. A photodiode with a shallow doping profile with respect to the top surface of a substrate and a graded pinned surface layer, self-aligned to a gate stack is provided. These photodiodes exhibit reduced image lag, transfer gate leakage, and photodiode dark current generation.
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