Patent ID: 11888008
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An imaging device, comprising:
a substrate;
a plurality of photoelectric conversion elements in the substrate, wherein each of the plurality of photoelectric conversion elements includes an N-type region that performs photoelectric conversion;
a light-shielding wall between a first photoelectric conversion element and a second photoelectric conversion element of the plurality of photoelectric conversion elements in the substrate in a cross-sectional view;
a first P-type region between the first photoelectric conversion element and the light-shielding wall in the cross-sectional view;
a second P-type region adjacent to the first P-type region and between the first photoelectric conversion element and a light incident side of the substrate in the cross-sectional view; and
a vertical-type transistor extending in a depth direction of the substrate in the cross-sectional view, wherein a gate of the vertical-type transistor includes two trench-type electrodes.