Patent ID: 8207561

Claim:
A solid-state imaging device of a pixel amplifying type, comprising a plurality of pixels, wherein each pixel includes: a photoelectric conversion unit for converting an incident light into a signal charge, wherein a first semiconductor region of a second conductivity type for accumulating the signal charge of the photoelectric conversion unit is arranged in a well of a first conductivity type, wherein a source or drain region, formed from a semiconductor region of the second conductivity type, of a transistor of a first pixel is arranged between the first semiconductor region of the first pixel and the first semiconductor region of a second pixel adjacent to the first pixel, wherein a second semiconductor region of the first conductivity type is arranged between the source or drain region and the first semiconductor region of the first pixel, wherein a third semiconductor region of the first conductivity type is arranged between the source or drain region and the first semiconductor region of the second pixel, wherein a fourth semiconductor region of the first conductivity type is arranged under the second semiconductor region and is arranged between the source or drain region and the first semiconductor region of the first pixel, wherein a fifth semiconductor region of the first conductivity type is arranged under the third semiconductor region, and is arranged between the source or drain region and the first semiconductor region of the second pixel, wherein the second, the third, the fourth, and the fifth semiconductor regions have impurity concentrations higher than that of the well, and wherein a lower end of the fourth semiconductor region and a lower end of the fifth semiconductor region are arranged at the same depth.