Apparatus for the detection of ionizing radiation

摘要

The device has a cathode (1) and anodes (3) polarized such that an electric field is applied through a solid detector material (2) to allow electrons (5) generated by interaction between the material and an incident ionizing radiation e.g. X-photon (4). Electrically insulated electrodes i.e. non-collecting electrodes (41-44), are positioned in the material volume, and detect charges induced by migration of the electrons in the volume, via capacitive effect. Each electrode is formed of a conductive channel and an end that are insulated from the material by respective insulating materials.