US 12,349,485 B2
Imaging device
Masayuki Takase, Osaka (JP); Shunsuke Isono, Osaka (JP); and Yuuko Tomekawa, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Apr. 3, 2024, as Appl. No. 18/625,946.
Application 18/625,946 is a continuation of application No. 17/028,627, filed on Sep. 22, 2020, granted, now 11,996,422.
Application 17/028,627 is a continuation of application No. PCT/JP2018/045241, filed on Dec. 10, 2018.
Claims priority of application No. 2018-072409 (JP), filed on Apr. 4, 2018.
Prior Publication US 2024/0274626 A1, Aug. 15, 2024
Int. Cl. H10F 39/00 (2025.01)
CPC H10F 39/803 (2025.01) [H10F 39/811 (2025.01)] 13 Claims
OG exemplary drawing
 
1. An imaging device comprising:
a semiconductor substrate;
a photoelectric converter that is embedded in the semiconductor substrate and that generates a signal charge by photoelectric conversion;
a first diffusion region that stores the signal charge transferred from the photoelectric converter;
a capacitor that stores the signal charge generated by the photoelectric converter;
a first contact that is connected to the first diffusion region; and
a first wiring layer that is located between the semiconductor substrate and the capacitor, the first wiring layer including first wiring that is connected to the first contact.