リサイクルフェライトを用いた電波吸収体の電波反射特性に及ぼすカーボン粉体添加の効果 : ソフト磁性材料

概要

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We studied the feasibility of electronic components manufactured from recycling powder composed of a MnZn ferrite grinding sludge and commercially available clay for earthenware and carbon powder. The effects of the mixing ratios, matching thickness, and matching frequency on the high-frequency magnetic properties and dielectric properties of rubber sheeted samples of added carbon powder were investigated. As a result, we found it possible to utilize the mixtures as composite materials for producing electromagnetic wave absorbers that exhibited value of peak frequency (f_0) increase by adding carbon powder. It is possible to design electromagnetic wave absorbers for an arbitrary frequency between several hundred MHz and a few GHz.
社団法人日本磁気学会の論文
2002-04-01