Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bo-Tsung Tsai0
Date of Patent
November 23, 2021
0Patent Application Number
166949200
Date Filed
November 25, 2019
0Patent Primary Examiner
Patent abstract
A device includes a substrate, a light sensitive element, a pinning region, a lightly-doped region, a floating node, and a gate stack. The light sensitive element is in the substrate. The pinning region is in the substrate and is over the light sensitive element. The lightly-doped region is in the pinning region. The floating node is in the pinning region. The floating node is spaced from and is surrounded by the lightly-doped region. A first portion of the pinning region between the floating node and the lightly-doped region forms a channel region. A gate stack is over the channel region.
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