Patent ID: 9160941
Filing Date: 2015-10-13
Classification: H01L,H04N

Abstract:
1. A solid-state imaging element comprising: a first substrate formed on a first semiconductor wafer, the first substrate including a plurality of first unit pixel regions arranged in a two-dimensional shape; a second substrate formed on a second semiconductor wafer, the second substrate including a plurality of second unit pixel regions arranged in a two-dimensional shape; and a plurality of connection portions, each of the plurality of connection portions arranged between corresponding one of the plurality of first unit pixel regions and corresponding one of the plurality of second unit pixel regions, wherein each of the plurality of first unit pixel regions including: wherein each of the plurality of second unit pixel regions including: wherein the first signal is an imaging signal, wherein the second signal is a signal to be used in imaging preparation, wherein the first part of the first readout circuit is arranged in the first substrate, and a second part of the first readout circuit is arranged in the second substrate, wherein the second readout circuit is arranged in the second substrate, wherein each of the plurality of connection portion electrically connects the first part of the first readout circuit and the second part of the first readout circuit, wherein the first part includes at least one of a first transistor electrically connected between the first photoelectric conversion element and the second part, and wherein the second part includes at least one of a second transistor electrically connected between the first part and a vertical signal line.