Patent ID: 11869911
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A light detecting device, comprising:
a first silicon region and a second silicon region disposed in a semiconductor substrate in a cross-sectional view;
a separation region disposed between the first silicon region and the second silicon region in the cross-sectional view; and
a light shielding portion including a metal disposed above the separation region in the cross-sectional view,
wherein a first part of the light shielding portion is disposed above a light receiving plane of the semiconductor substrate in the cross-sectional view,
wherein a second part of the light shielding portion is disposed under the light receiving plane of the semiconductor substrate in the cross-sectional view,
wherein a width of the second part is larger than a width of the separation region, and
wherein a width of the first part is larger than the width of the second part.