Patent ID: 11888006
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. The imaging device according to claim 1, further comprising, around the vertical light-shielding part:
a first semiconductor region in which P type or N type impurities are diffused; and
a second semiconductor region which is located on a side opposite to the first semiconductor region, with the horizontal light-shielding part interposed therebetween, and in which the P type or N type impurities are diffused,
wherein the first semiconductor region has a first impurity concentration that is different from a second impurity concentration of the second semiconductor region,
wherein the first semiconductor region includes a first impurity material that is different from a second impurity material of the second semiconductor region, or
wherein the first impurity concentration and the first impurity material are different from the second impurity concentration and the second impurity material.