Patent ID: 9627432
Date: 2017-04-18
CPC Classifications: H01L,H04N

Claim:
1. A semiconductor integrated circuit, comprising: first and second semiconductor substrates; an analog circuit that generates an analog signal, wherein a first part of the analog circuit is disposed on the first semiconductor substrate, the first part comprising a transfer transistor, a reset transistor, a select transistor, and an amplification transistor, and wherein a second part of the analog circuit is disposed on the second semiconductor substrate, the second part comprising a current supply transistor for current supply; a digital circuit on the second semiconductor substrate, wherein the digital circuit converts the analog signal into a digital signal; a connection between the first and second semiconductor substrates connecting the first part of the analog circuit to the second part of the analog circuit; a plurality of pixel circuits, each having a photoelectric conversion element and each outputting a pixel signal as the analog signal; and a light-shielding metal disposed between the current supply transistor and the plurality of pixel circuits in the first semiconductor substrate.