US 9,812,476 B2
Photoelectric transducer and imaging system
Takashi Matsuda, Yokohama (JP); Sho Suzuki, Yokohama (JP); Hidekazu Takahashi, Zama (JP); and Nobuhiko Sato, Yokohama (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 28, 2015, as Appl. No. 14/811,610.
Claims priority of application No. 2014-156785 (JP), filed on Jul. 31, 2014.
Prior Publication US 2016/0035767 A1, Feb. 4, 2016
Int. Cl. H04N 5/335 (2011.01); H04N 5/228 (2006.01); H01L 27/148 (2006.01); H01L 29/80 (2006.01); H01L 27/146 (2006.01); H01L 31/0352 (2006.01)
CPC H01L 27/1461 (2013.01) [H01L 27/14612 (2013.01); H01L 27/14621 (2013.01); H01L 27/14623 (2013.01); H01L 27/14627 (2013.01); H01L 27/14636 (2013.01); H01L 27/14643 (2013.01); H01L 27/14665 (2013.01); H01L 27/14687 (2013.01); H01L 31/035218 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A photoelectric transducer comprising:
a substrate including a first area and a second area, the substrate having a surface;
a photoelectric conversion section provided on the surface in the first area and including a first electrode and a photoelectric conversion layer provided on the first electrode;
a reading circuit provided in the first area;
a peripheral circuit provided in the second area;
a first wiring layer provided on the surface in the second area and including a wiring pattern;
a first connection section that contacts a bottom face of the first electrode, is made of an electric conductor, and is electrically connected to the photoelectric conversion layer and the reading circuit; and
a second connection section that contacts a bottom face of the wiring pattern, is made of an electric conductor, and is electrically connected to the peripheral circuit,
wherein a shortest distance between the bottom face of the first electrode and the surface is shorter than a shortest distance between the bottom face of the wiring pattern and the surface, and
wherein a number of wiring layers provided between the first electrode and the surface in the first area is less than a number of wiring layers provided between the first wiring layer and the surface in the second area.