US 12,422,574 B2
Radiation imaging apparatus and radiation imaging system
Yoshito Sasaki, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 26, 2023, as Appl. No. 18/160,255.
Claims priority of application No. 2022-010276 (JP), filed on Jan. 26, 2022.
Prior Publication US 2023/0236330 A1, Jul. 27, 2023
Int. Cl. G01T 1/20 (2006.01); G01T 1/202 (2006.01)
CPC G01T 1/20188 (2020.05) [G01T 1/202 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A radiation imaging apparatus including a scintillator layer configured to convert radiation into light, a supporting base configured to support the scintillator layer, a sensor panel including a plurality of photoelectric conversion elements arranged in a two-dimensional array, and a substrate, the radiation imaging apparatus comprising:
a sealing portion configured to seal the sensor panel and the scintillator layer in a space formed between the substrate and the supporting base,
wherein the supporting base is made of metal, and a main material of the supporting base is same as a main material of the substrate, and
wherein a linear expansion coefficient of the supporting base is in a range from 10×10−6 K to 30×10−6 K.