Patent ID: 8823847

Claim:
A solid-state imaging device comprising: a semiconductor substrate; and a pixel region formed in the semiconductor substrate and including a photoelectric conversion unit and a signal scanning circuit unit the pixel region including a matrix of unit pixels disposed on the semiconductor substrate, a device isolation insulation film provided on a boundary part between neighboring ones of the unit pixels, the device isolation insulation film being provided in and vertically to the semiconductor substrate with an offset from a front surface of the semiconductor substrate where the signal scanning circuit unit is formed and reaching a back surface of the semiconductor substrate, a first diffusion layer of a second conductivity type provided in the semiconductor substrate along a sidewall of the device isolation insulation film, a second diffusion layer of the second conductivity type formed on the front surface of the semiconductor substrate, a MOSFET formed in the second diffusion layer and under the device isolation insulation film, the MOSFET disposed on a line elongated from the device isolation insulation film vertically formed and apart from the device isolation film and the semiconductor substrate, wherein the first diffusion layer is in contact with the second diffusion layer, and a center of the first diffusion layer in a width direction thereof is positioned near a center of the second diffusion layer in the width direction.