Standard No.:	YY/T 0063-2024
English Name:	Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Focal spot dimensions and related characteristics
Chinese Name:	医用电气设备 医用诊断X射线管组件 焦点尺寸及相关特性
Chinese Classification:	C43    Medical radiographic equipment
Professional Classification:	YY    Professional Standard - Pharmaceutics
ICS Classification:	11.040.50 11.040.50    Radiographic equipment 11.040.50
Source Content Issued by:	National Medical Products Adminstration
Issued on:	2024-07-08
Implemented on:	2025-7-20
Status:	valid
Superseding:	YY/T 0063-2007 Medical electrical equipment—X-ray tube assemblies for medical diagnosis—Characteristics of focal spots
Target Language:	English
File Format:	PDF
Word Count:	16000 words
Translation Price(USD):	480.0
Delivery:	via email in 1~5 business day

本文件适用于在150 kV及以下的X射线管电压下工作的医用诊断X射线管组件的焦点。
本文件描述了使用数字探测器测定以下各项的试验方法：
a）按焦点标称值表示的焦点尺寸，范围为0.1~3.0；
b）线扩散函数；c）一维调制传递函数；
d）焦点针孔射线照片。
本文件还描述表明符合性的方式。
在资料性附录中，描述了星卡成像和散焦值。