IEC 60191-6-4:2003
半导体器件的机械标准化.第6-4部分:绘制表面安装半导体器件封装外形图的一般规则.焊球网格陈列封装尺寸的测量方法 图绘制的一般规则.球状网格阵列(BGA)封装尺寸的测量方法
Mechanical standardization of semiconductor devices - Part 6-4: General rules for the preparation of outline drawings of surface mounted semiconductor device packages; Measuring methods for package dimensions of ball grid array (BGA)