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

Claim 13:
14. The light detecting device according to claim 10, further comprising
a second coupling structure that penetrates each of the first substrate and the second substrate from the back surface side of the first substrate, wherein
the second coupling structure includes a through hole configured to contact a second wiring line in the second multi-layered wiring layer and expose a third wiring line in the third multi-layered wiring layer,
the through hole is embedded with an electrically-conductive material,
the electrically-conductive material layer extends over the second coupling structure, and
the pad is electrically coupled to each of the second substrate and the third substrate through the electrically-conductive material layer that extends over the second coupling structure.