Patent ID: 8792035
Filing Date: 2014-07-29
Classification: H01L

Abstract:
1. A solid-state imaging device comprising: a plurality of pixels formed of photoelectric converters and pixel transistors, wherein each pixel of the plurality of pixels includes one or more photoelectric converters; a floating diffusion portion that exists within a region above at least one of the one or more photoelectric converters; a transfer transistor comprising a transfer gate electrode, the transfer gate electrode comprising a vertical transfer gate electrode formed in a depth direction of a substrate and a horizontal transfer gate electrode, wherein the vertical transfer gate electrode of the transfer transistor surrounds the one or more photoelectric converters in the depth direction of the substrate and wherein the vertical transfer gate electrode and the horizontal transfer gate electrode form a transfer gate having an L-shaped cross-sectional shape; and a device dividing region comprising an insulation layer formed between the L-shaped transfer gate electrodes of adjacent pixels, wherein the transfer gate electrode is divided for each unit pixel of the plurality of pixels.