DIN EN 61189-2-719-2017 电气材料, 印刷电路板和其它互联结构和组件的试验方法.第2-719部分:互连结构材料试验方法.相对介电常数和介质损耗角正切值(500 MHz至10 GHz)(IEC 61189-2-719-2016);德文版本EN 61189-2-719-2016
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2-719: Test methods for materials for interconnection structures - Relative permittivity and loss tangent (500 MHz to 10 GHz) (IEC 61189-2-719