Patent ID: 7348133

Claim:
A method of manufacturing a solid-state image sensing device comprising a light-receiving region including a plurality of pixels and a non-light-receiving region adjacent the light-receiving region, the method comprising: forming an insulating film on the light-receiving region and the non-light-receiving region; forming a mask pattern on the insulating film at the light-receiving region and forming a dummy mask pattern on the insulating film at the non-light-receiving region; etching the insulating film using the mask pattern and the dummy mask pattern as a mask so as to form a plurality of convex portions on the insulating film; etching the insulating film with the convex portions so as to form curved surfaces on the insulating film; forming a lens film on the etched insulating film so as to cover the curved surfaces; forming a planarizing film on the lens film, the planarizing film having a lower etching rate than the lens film; and etching back the lens film and the planarizing film.