Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 12, 2006
0Patent Application Number
106951600
Date Filed
October 29, 2003
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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