Patent ID: 7898085

Claim:
A solid-state imaging device comprising: a solid-state imaging element which is made of a semiconductor substrate including on a front face thereof a photo-reception portion and an electrode pad formed at a perimeter portion of the photo-reception portion; an optical glass bonded onto the solid-state imaging element, through a bonding layer at the perimeter portion, and through an air gap at the photo-reception portion; and penetrating electrodes which reach the rear face of the solid-state imaging element are formed below the electrode pads of the solid-state imaging element; wherein a through hole, which penetrates through the semiconductor substrate and reaches a bottom face of the electrode pad, is formed in a region where the bonding layer is formed, the through hole having an outer diameter smaller than an outer diameter of the electrode pad, and a sectional line through the bonding layer, electrode pad and through hole is perpendicular to a longitudinal direction of the semiconductor substrate.