US 12,352,908 B2
Detection device
Osamu Shimada, Tokyo-to (JP); Hiroki Maeda, Tokyo-to (JP); Toru Tanimori, Kyoto (JP); Atsushi Takada, Kyoto (JP); Kazuyoshi Togashi, Tokyo-to (JP); and Tomohisa Motomura, Tokyo-to (JP)
Assigned to DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Appl. No. 18/029,771
Filed by DAI NIPPON PRINTING CO., LTD., Tokyo-to (JP)
PCT Filed Sep. 30, 2021, PCT No. PCT/JP2021/036348
§ 371(c)(1), (2) Date Mar. 31, 2023,
PCT Pub. No. WO2022/071549, PCT Pub. Date Apr. 7, 2022.
Claims priority of application No. 2020-167130 (JP), filed on Oct. 1, 2020.
Prior Publication US 2023/0384465 A1, Nov. 30, 2023
Int. Cl. G01T 1/185 (2006.01)
CPC G01T 1/185 (2013.01) 18 Claims
OG exemplary drawing
 
1. A detection device for detecting radiation, comprising:
a container including a first portion, a second portion facing the first portion in a first direction, and a side portion extending from the first portion toward the second portion, wherein a gas is contained in the container;
an electron detector located inside the container, wherein the electron detector detects an electron generated by Compton scattering;
a drift electrode located inside the container closer to the second portion than the electron detector and facing the electron detector; and
a radiation detector located closer to the second portion than the drift electrode, wherein the radiation detector detects scattered radiation, and
wherein the first portion includes an outer surface extending flatly in a range that overlaps the electron detector as viewed in a direction in which the electron detector faces the drift electrode.