Several conductive polymer samples of various thicknesses were measured at a frequency range of 26.5 to 60 GHz. Samples of conductive polymer were measured for transmission and reflection characteristics using a Hughes millimeter-wave waveguide network. It is shown that thin, lightweight planar samples of a particular conductive polymer significantly reduce reflections while providing a high transmission loss over a broad frequency range.>
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Williams et al. (1990) studied this question.