SEMICONDUCTOR DEVICE AND SEMICONDUCTOR UNIT INCLUDING THE SAME

摘要

A solid-state image pickup unit including a pixel section having a plurality of unit pixels two-dimensionally arranged in a matrix formation, wherein a unit pixel includes a conductive region of a first conductivity type having a surface adjacent to a multilayer wiring layer, a charge accumulation region of a second conductivity type formed within the first conductive region, wherein the charge accumulation region is separated from the surface of the conductive region adjacent to the multilayer wiring layer by a separation section, and a contact disposed in the conductive region, the contact electrically connecting the charge accumulation region and an external wire of the multilayer wiring layer.

主权项

1. A semiconductor device comprising:
a conductive region of a first conductivity type having a surface adjacent to a multilayer wiring layer; a charge accumulation region of a second conductivity type formed within the first conductive region, wherein the charge accumulation region is separated from the surface of the conductive region adjacent to the multilayer wiring layer by a separation section; a contact disposed in the conductive region, the contact electrically connecting the charge accumulation region and an external wire of the multilayer wiring layer; an insulating section contacting the contact and provided in a region at least between a portion of the charge accumulation region and the separation section; and a depletion layer, wherein the insulating section is provided in a region between a portion of the charge accumulation region and the separation section where the depletion layer is formed.