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)
电气材料 印刷电路板和其他互连结构和组件的测试方法 - 第2-719部分:互连结构材料的测试方法 - 相对介电常数和损耗切线(500 Mhz至10 Ghz)
IEC 61189-2-719:2016 specifies a test method of relative permittivity and loss tangent of printed board and assembly materials, expected to be determined 2 to 10 of relative permittivity and 0,001 to 0,050 of loss tangent at 500 MHz to 10 GHz.