Electromagnetic wave absorber using dielectric(Ti)・magnetic(Fe)composite material for GHz frequency band(I)

Abstract

By a single layer type micro composite material using a dielectric(Ti)and magnetic(Fe)material, the matching frequency of electromagnetic wave absorber could be controlled from 7.7GHz to 9.4GHz, maintaining the maximum reflection loss below -40dB and from 7.3GHz to 10.2GHz in the case of the band width of -20dB. The relationships between matching frequency, reflection loss and complex dielectric(ε *), complex magnetic(μ *)constant have been revealed theoretically and experimentally.