EN 61249-2-31. Materials for printed boards and other interconnecting structures. Part 2-31. Reinforced base materials clad and unclad for high frequency application. Halogenated modified or unmodified resin system, woven E-glass laminated sheets of defined relative permittivity (equal or less then
Materials for printed boards and other interconnecting structures-Sectional specification set for prepreg materials, unclad Polymide, modified or unmodified, woven E-glass prepeg of defined flammability