Patent ID: 11948961
Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The light detecting device according to claim 1, wherein the first coupling structure includes one of:
a first structure, wherein
the via penetrates the third substrate from a back surface of the third substrate, and
a through hole of the via is configured to contact the first wiring line in the second multi-layered wiring layer and expose the second wiring line in the third multi-layered wiring layer; or

a second structure, wherein
the via penetrates the second substrate from a back surface of the second substrate, and
the through hole of the via is configured to contact the second wiring line in the third multi-layered wiring layer and expose the first wiring line in the second multi-layered wiring layer.