Patent ID: 7064405
Filing Date: 2006-06-20
Classification: H01L

Abstract:
1. A solid state imaging device comprising: a semiconductor substrate having: photosensors disposed in a matrix shape for photoelectrically converting incident light into signal charges; vertical transfer channels for transferring the signal charges generated in the photosensors in a vertical direction; and a horizontal transfer channel for transferring the signal charges supplied from the vertical transfer channels in a horizontal direction; first and second electrodes formed above the vertical transfer channels and extending in a direction crossing the vertical transfer channels; a light shielding film formed above said first and second electrodes; upward and downward convex inner lenses made of silicon nitride, at the height level above said photosensors and at a process level after forming said light shielding film; micro lenses formed above said inner lenses; a low refractive index layer covering said micro lenses, said low refractive index layer having a refractive index lower than a refractive index of said micro lenses; and a transparent plate disposed on said low refractive index layer.