标准摘要
[中文适用范围]： : 该标准适用于医疗诊断中使用的X射线管组件和X射线源组件的最大对称辐射场的测定。标准内容包括辐射场的定向、最大对称辐射场的测定方法、空气比释动能率分布的测量等。 [外文原描述]： IEC 60806:2022 is applicable to X-RAY SOURCE ASSEMBLIES and X-RAY TUBE ASSEMBLIES. This document specifies a method for the determination of the greatest geometrically symmetrical RADIATION FIELD at a specified distance from the FOCAL SPOT for which the percentage AIR KERMA RATE along the major axes of the RADIATION FIELD does not fall below a permitted value. In case multiple FOCAL SPOTS are not super-imposed, each FOCAL SPOT has its own REFERENCE AXIS. Then the maximum RADIATION FIELD can be given for each FOCAL SPOT separately. IEC 60806:2022 cancels and replaces the first edition published in 1984. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: a) addition of solid state detectors as they have become more common since the first edition of 1984.
英文名称Determination of the maximum symmetrical radiation field of X-ray tube assemblies and X-ray source assemblies for medical diagnosis