Patent ID: 8395194
Filing Date: 2013-03-12
Classification: H01L

Abstract:
1. A solid-state imaging device which is of a MOS type and includes a plurality of pixels arranged in rows and columns, said solid-state imaging device comprising: a semiconductor substrate; a photoelectric conversion unit included in each of the pixels, formed in said semiconductor substrate, and configured to convert, into a signal charge, light that is incident from a first main surface of said semiconductor substrate; a transfer transistor which is included in each of the pixels and formed in a second main surface of said semiconductor substrate, and transfers the signal charge converted by said photoelectric conversion unit, the second main surface being located opposite to the first main surface; a first light shielding film which is conductive and formed on at least part of a boundary between the pixels, above the first main surface of said semiconductor substrate; an overflow drain region formed in the first main surface of said semiconductor substrate and electrically connected to said first light shielding film; and an overflow barrier region formed between said overflow drain region and said photoelectric conversion unit.