LST EN 12543-5-2001 无损检测 用于无损检测的工业 X 射线系统中焦点的特性 第5部分:小焦点和微焦点 X 射线管的有效焦点尺寸的测量
Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 5: Measurement of the effective focal spot size of mini and micro focus X-ray tubes