US 12,339,409 B2
Radiation imaging apparatus and radiation imaging system
Tetsunori Ojima, Kanagawa (JP); and Minoru Watanabe, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 24, 2023, as Appl. No. 18/189,880.
Claims priority of application No. 2022-056593 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0314637 A1, Oct. 5, 2023
Int. Cl. G01T 1/24 (2006.01)
CPC G01T 1/247 (2013.01) 12 Claims
OG exemplary drawing
 
1. A radiation imaging apparatus comprising: a pixel unit in which a plurality of pixels each including a photoelectric conversion element configured to convert light into an electric charge and a switch element is arranged in a matrix,
wherein the pixel unit includes a plurality of pixel sets that are adjacently arranged in a predetermined direction, each of the plurality of pixel sets including two or more of the pixels, which are adjacently arranged in the predetermined direction and in which the photoelectric conversion elements have aperture portions having different shapes, and
wherein each of the aperture portions has a gravity center or center, and a distance between each of the gravity centers or the centers for adjacent pixels in the plurality of pixels are substantially the same.