Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chandra Mouli0
Date of Patent
February 26, 2008
0Patent Application Number
106027160
Date Filed
June 25, 2003
0Patent Primary Examiner
Patent abstract
Embodiments of the invention provide a method of forming a pixel cell and the resultant pixel cell a photo-conversion device formed at a surface of a substrate and a transistor adjacent to the photo-conversion device. The transistor comprises a gate overlying a channel region. The gate comprises at least one gate region having a work-function greater than a work-function of n+ polysilicon. The channel region comprises respective portions below each gate region. A dopant concentration in at least one portion of the channel region is determined at least in part by the work-function of the respective gate region.
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