EN 60191-6-5-2001 半导体器件的机械标准化.第6-5部分:表面安装半导体器件封装外形图绘制的一般规则.小螺距球栅阵列的设计指南 IEC 60191-6-5-2001
Mechanical Standardization of Semiconductor Devices Part 6-5: General Rules for the Preparation of Outline Drawings of Surface Mounted Semiconductor Device Packages - Design Guide for Fine-Pitch Ball Grid Array (FBGA)