Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jingyun Kim0
Date of Patent
December 12, 2023
0Patent Application Number
174026650
Date Filed
August 16, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
An image sensor includes a semiconductor substrate of first conductivity type having first and second surfaces and including pixel regions, photoelectric conversion regions of second conductivity type respectively provided in the pixel regions, and a pixel isolation structure disposed in the semiconductor substrate to define the pixel regions and surrounding each of the photoelectric conversion regions. The pixel isolation structure includes a semiconductor pattern extending from the first surface to the second surface of the semiconductor substrate, a sidewall insulating pattern between a sidewall of the semiconductor pattern and the semiconductor substrate, and a dopant region in at least a portion of the semiconductor pattern.
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