Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 8, 2008
Patent Application Number
10966263
Date Filed
October 15, 2004
Patent Primary Examiner
Patent abstract
An active pixel using a photodiode with multiple species of N type dopants is disclosed. The pixel comprises a photodiode formed in a semiconductor substrate. The photodiode is an N− region formed within a P-type region. The N− region is formed from an implant of arsenic and an implant of phosphorus. Further, the pixel includes a transfer transistor formed between the photodiode and a floating node and selectively operative to transfer a signal from the photodiode to the floating node. Finally, the pixel includes an amplification transistor controlled by the floating node.
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