GB/T 43801-2024微波频段覆铜箔层压板相对介电常数和损耗正切值测试方法分离介质谐振器法国家标准
英文:Measurement of relative permittivity and loss tangent for copper clad laminate at microwave frequency—Split post diel...
英文:Measurement of relative permittivity and loss tangent for copper clad laminate at microwave frequency—Split post diel...