RADIATION DETECTOR

• Main Authors: ISHIZAWA KAZUYA, HIKITA NORIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 21.12.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS; ELECTRICITY; MEASUREMENT OF NUCLEAR OR X-RADIATION; MEASURING; PHYSICS; TESTING

To provide a radiation detector whose detection efficiency is stable.SOLUTION: A radiation detector 10 includes: a container 11; an anode 16 disposed in the container 11; an ionized gas 21 enclosed in the container 11; and a radiation incident member 23 provided in the container 11. The container 11 includes: an opening part 22 through which radiation passes; a joining surface 24 which is provided in a peripheral region of the opening part 22 and to which a peripheral part of the radiation incident member 23 is joined; and a space part 26 which is provided between the opening part 22 and the joining surface 24 and is larger than an outline of the opening part 22.SELECTED DRAWING: Figure 1 【課題】検出効率が安定した放射線検出器を提供する。【解決手段】放射線検出器１０は、容器１１と、容器１１内に配置された陽極１６と、容器１１内に封入された電離ガス２１と、容器１１に設けられた放射線入射部材２３と、を備える。容器１１は、放射線が通過する開口部２２と、開口部２２の周辺域に設けられ、放射線入射部材２３の周辺部が接合される接合面２４と、開口部２２と接合面２４との間に設けられ、開口部２２の外形よりも大きい空間部２６と、を有する。【選択図】図１