Patent ID: 8415649
Filing Date: 2013-04-09
Classification: G01T

Abstract:
1. A radiation imaging apparatus comprising: a housing having an upper panel on the incident side of radiation, a bottom panel opposite to the upper panel, a side panel connecting the upper panel with the bottom panel; a radiation detection panel accommodated in the housing, having one or more conversion elements which generate electrical signals corresponding to the incident radiation dose; a light source in panel fashion, accommodated in the housing, for generating calibration light for the conversion elements; and a chassis fixed on the housing, for providing rigidity to the housing, wherein the chassis has a transmissible part which comprises a honeycomb structure formed with metal core material and transmits the calibration light from the light source, the radiation detection panel is fixed on the side of the upper panel, and the light source is fixed on the side of the bottom part of the chassis, and a detachable lid is formed at least at a part of the bottom panel, and an opening portion for exposing the light source is formed by detaching the detachable lid.