EN 60191-6-8-2001 半导体器件的机械标准化.第6-8部分:表面安装半导体器件封装外形图绘制的一般规则.玻璃密封陶瓷方型扁平封装的设计指南 IEC 60191-6-8-2001
Mechanical Standardization of Semiconductor Devices Part 6-8: General Rules for the Preparation of Outline Drawings of Surface Mounted Semiconductor Device Packages - Design Guide for Glass Sealed Ceramic Quad Flatpack (G-QFP)