主权项 |
1. An imaging device, comprising:
a semiconductor substrate having
an effective pixel region including a plurality of photoelectric conversion elements configured to receive light,an optical black region,a first groove portion provided between adjacent photoelectric conversion elements in the effective pixel region, anda second groove portion provided in the optical black region; an insulating material disposed, at least in part, in the first groove portion; and a metallic oxide disposed, at least in part, in the first groove portion. |