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DIN EN IEC 61189-2-803
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2-803: Test methods for Z-axis expansion of base materials and printed boards (IEC 61189-2-803:2023); German version EN IEC 61189-2-803:2023
DIN EN IEC 61249-2-54
Materials for printed boards and other interconnecting structures - Part 2-54: Reinforced base materials clad and unclad - Halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined dissipation factor (less than 0,005 at 10 GHz) and flammability (vertical burning test), copper-clad for high speed applications