Patent ID: 8330089

Claim:
A solid-state imaging device comprising an MOS transistor, a photo-diode for accumulating electric charges generated by light irradiation and an amplification transistor, the device further comprising: a signal line on a substrate; an island-shaped semiconductor on the signal line and extending vertically above the substrate; wherein the MOS transistor includes a semiconductor region in the island-shaped semiconductor, a dielectric film overlying the semiconductor region, and a gate conductor layer on an outer periphery of the island-shaped semiconductor and separated therefrom by the dielectric film, active elements of the photo-diode are connected to the MOS transistor and reside in the outer periphery of the island-shaped semiconductor, and a center portion of the island-shaped semiconductor is surrounded by the active elements of the photo-diode and the central portion of the island-shaped semiconductor comprises a channel of the amplification transistor; and a semiconductor layer is-connected to a pixel selection line on the top of the amplification transistor.