photon counting x-ray detector unit; photon counting x-ray detector; and photon counting x-ray detection method

摘要

summary photon counting x-ray detector unit; photon counting x-ray detector; and Photon Count X-ray Detection Method The present invention relates to a photon count x-ray detector and a detection method that effectively suppresses polarization even under high flow conditions. The proposed detector comprises a photon counting semiconductor element (10) for generating electron-hole pairs in response to incident x-ray photons, a cathode electrode (11a, 11b; 21a, 21b; 31a, 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b) disposed on a first side (10a) of said semiconductor element (10) facing incited x-ray radiation, said cathode electrode comprising two interpenetrated cathode elements (11a, 11b; 21a, 21b; 31a, 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b), a pixelated anode electrode (12) disposed on a second side (10b) of said semiconductor element (10) opposite said first side (10a), a power source (13) for applying a bias voltage between said cathode electrode and said anode electrode and temporarily applying an injection voltage between said cathode elements (11a, 11b; 21a, 21b; 31a 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b), and a reading unit (14) for reading signals from said pixelated anode electrode (12). 1/1