Patent ID: 8610807

Claim:
A solid-state imaging device comprising: a photoelectric transformation portion which is provided on a capturing surface of a substrate and receives an incident light by a light sensing surface to create a signal electric charge; and a micro lens which is provided on an upper part of the light sensing surface in the capturing surface of the substrate and concentrates the incident light to the light sensing surface, wherein the micro lens has a first refractive index layer which is a first refractive index, and a second refractive index layer which is a second refractive index different from the first refractive index, wherein the micro lens is configured so that a vertical cross section, which is a surface perpendicular to the capturing surface, has a rectangular shape, wherein each of the first refractive index layer and the second refractive index layer are arranged adjacent to each other in a direction along the capturing surface, and an interface between the first refractive index layer and the second refractive index layer in the vertical cross section is formed so as to follow a direction perpendicular to the capturing surface, and wherein the incident light is incident from a third refractive index layer, which is a third refractive index lower than the first refractive index and the second refractive index, to the first refractive index layer and the second refractive index layer, and is concentrated to the light sensing surface.