US 12,436,302 B2
Radiation imaging apparatus
Atsushi Takeuchi, Kanagawa (JP); and Koichiro Ohashi, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 5, 2022, as Appl. No. 17/857,634.
Claims priority of application No. 2021-112565 (JP), filed on Jul. 7, 2021; and application No. 2021-147460 (JP), filed on Sep. 10, 2021.
Prior Publication US 2023/0011527 A1, Jan. 12, 2023
Int. Cl. G01T 1/24 (2006.01); G01T 1/20 (2006.01)
CPC G01T 1/244 (2013.01) [G01T 1/20 (2013.01); G01T 1/2012 (2013.01); G01T 1/20188 (2020.05)] 14 Claims
OG exemplary drawing
 
1. A radiation imaging apparatus comprising:
a sensor configured to detect a radiation and convert the radiation into an electrical signal related to a radiation image; and
a casing enclosing the sensor,
wherein the casing includes a front cover having an incident surface which the radiation enters, a rear cover arranged at a position opposed to the front cover, and a frame arranged between the front cover and the rear cover,
wherein the frame is formed of a plurality of members including a front frame member and a rear frame member which are mountable to and removable from each other, and
wherein at least one of the front cover or the rear cover is made of a material having a specific gravity smaller than a specific gravity of the frame.