BS EN 61249-4-14. Materials for printed boards and other interconnecting structures. Part 4-14. Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards). Epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly
英国标准EN 61249-4-14 印制板和其他互连结构用材料 第4-14部分 未包覆预浸料分规范(多层板制造用) 无铅组件用规定可燃性(垂直燃烧试验)的环氧编织E-玻璃预浸料