Draft Document - Test methods for electrical materials, printed board and other interconnection structures and assemblies - Part 2-809: X/Y Coefficient of Thermal Expansion Test (CTE) for Thick Base Materials by TMA (IEC 91/1747/CD:2021); Text in German and English
文件草案——电气材料、印制板和其他互连结构和组件的试验方法——第2-809部分:TMA厚基材的X/Y热膨胀系数试验(CTE)(IEC 91/1747/CD:2021);德语和英语文本