Patent ID: 7714442

Claim:
A solid-state imaging device comprising: a semiconductor substrate; one or more wiring interlayer films disposed on or above the semiconductor substrate; one or more metal wires embedded in the wiring interlayer films, wherein the one or more wiring interlayer films are composed of a diffusion preventing material that prevents the diffusion of the metal wire; a plurality of adjacent wiring interlayer films having portions extending to locations perpendicularly above a photoelectric transducer, each of the plurality of interlayer films being comprised of a single same material thereby reducing a number of boundaries between adjacent layers having different light transmission characteristics because there is a single type of material for each of the plurality of adjacent wiring interlayer films; and further wherein for each immediately adjacent wiring interlayer film, even in regions which are not perpendicularly above the photoelectric transducer, there is no separate diffusion preventing film layer located between a planar top surface of a lower wiring interlayer film and a wiring interlayer film that is formed thereon.