標準號：BS EN 62220-1-2-2007
中文標準名稱：醫學電氣設備.數字X射線成像設備的特性.量子檢測效率的確定.乳腺X射線攝影術用檢測器
英文標準名稱：Medical electrical equipment - Characteristics of digital X-ray imaging devices - Determination of the detective quantum efficiency - Detectors used in mammography
標準類型：C43
發布日期：2007/11/30 12:00:00
實施日期：2007/11/30 12:00:00
中國標準分類號：C43
國際標準分類號：11.040.50
適用范圍：This part of IEC 62220 specifies the method for the determination of the DETECTIVE QUANTUMEFFICIENCY (DQE) of DIGITAL X-RAY IMAGING DEVICES as a function of AIR KERMA and of SPATIALFREQUENCY for the working conditions in the range of the medical application as specified bythe MANUFACTURER. The intended users of this part of IEC 62220 are manufacturers and wellequipped test laboratories.This Part 1-2 is restricted to DIGITAL X-RAY IMAGING DEVICES that are used for mammographicimaging such as but not exclusively, CR systems, direct and indirect flat panel detector basedsystems, scanning systems (CCD based or photon-counting). This part of IEC 62220 is notapplicable to– DIGITAL X-RAY IMAGING DEVICES intended to be used in general radiography or in dentalradiography;– computed tomography;and– devices for dynamic imaging (where series of images are acquired, as in fluoroscopic orcardiac imaging).NOTE The devices noted above are excluded because they contain many parameters (for instance, beamqualities, geometry, time dependence, etc.) which differ from those important for mammography. Some of thesetechniques are treated in separate standards (IEC 62220-1 and IEC 62220-1-3) as has been done for other topics,for instance for speed and contrast, in IEC and ISO standards.