Patent ID: 9666632
Date: 2017-05-30
CPC Classifications: H01L

Claim:
1. An imaging device, comprising: a semiconductor layer having a first side as a light-incident side and a second side opposite to the first side, the semiconductor layer including a photoelectric conversion element; a first film adjacent to the first side of the semiconductor layer; an insulating film disposed on the first film; an isolation region including a light-shielding portion located on the insulating film; a second film including a nitride element and located on the first film and the light-shielding portion; and a wiring layer disposed adjacent to the second side of the semiconductor layer, wherein, at least a portion of the isolation region is disposed adjacent to the photoelectric conversion element, the insulating film and the light-shielding portion are surrounded by the first film and the second film in a cross-section view, and wherein a surface of the second film that is furthest from the first film has a concave shape from a viewpoint of the first film that corresponds with the light-shielding portion and the insulating film in the cross-section view.