Patent ID: 9252169
Filing Date: 2016-02-02
CPC Classification: H01L,H04N

Claim Text:
1. A solid-state imaging device comprising: a first semiconductor substrate having a pixel part and a peripheral circuit part, the pixel part including a photoelectric conversion element and a first transistor for transferring a charge of the photoelectric conversion element, and the peripheral circuit part including a circuit element of a first circuit; a second semiconductor substrate having a second transistor of a second circuit; a wiring structure arranged between the first semiconductor substrate and the second semiconductor substrate; and a pad configured to connect the solid-state imaging device to an external terminal; wherein the second semiconductor substrate has a protection circuit connected to the pad and to the second circuit, and wherein the pad is connected to the protection circuit via the wiring structure, and a semiconductor region of the second transistor and a semiconductor region of the protection circuit are disposed in the second semiconductor substrate.