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