BS EN 61249-2-34. Materials for printed boards and other interconnecting structures. Part 2-34. Reinforced base materials clad and unclad for high frequency application. Non-halogenated modified or unmodified resin system, woven E-glass laminated sheets of defined relative permittivity (equal or les
英国标准EN 61249-2-34 印制板和其他互连结构用材料 第2-34部分 用于高频应用的包覆和非包覆增强基材 非卤化改性或未改性树脂系统 规定相对介电常数(等于或等于