Materials for printed boards and other interconnecting structures. Part 2-7. Reinforced base materials clad and unclad. Epoxide woven E-glass laminated sheet of defined flammability (vertical burning test), copper-clad
State system for ensuring the uniformity of measurements. State verification schedule for 1 to 1x 10 minus 3 degree V/m2 degree irradiance. Measuring means within the wavelength range of 1-50 mc