RADIATION DETECTOR, AND RADIATION IMAGING DEVICE PROVIDED WITH SAME

摘要

The disclosed configuration comprises an active matrix substrate (4), an amorphous selenium layer (1), a high resistance layer (3), a gold electrode layer (2), an insulating layer (5), and an auxiliary plate (6), layered in the given order. In order to provide a radiation detector wherein an electric load does not accumulate at the auxiliary plate (6), and the formation of voids and pinholes in an amorphous semiconducting layer or a carrier-selective high resistance film (3) is prevented, in embodiment 1, an inorganic anion exchange body is added to the insulating layer (5). As the inorganic anion exchange body adsorbs chloride ions that are within the insulating layer (5), it is possible to prevent failure of an X-ray detector (10) caused by chloride ions being drawn to the gold electrode layer (2).