金属パターンを付加した磁性(Fe)・誘電性(TiO_2)複合体の電波吸収特性評価 Evaluation of Microwave Absorber Characteristics of Magnetic (Fe)/Dielectric (TiO_2) Composite with Metal Pattern

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抄録

In general, there are two types as practical microwave absorbers; resonant or graded dielectric. Especially the resonant absorber is used as the simplest type of absorber which consists of a resistive sheet spaced one-quarter wavelength from a conductive ground plane. In this study, we propose the new type of resonant absorber which consists of magnetic (Fe) and dielectric (TiO<SUB>2</SUB>) composite material, metal pattern sheet, no loss dielectric material and metallic plate at the back. The composite microwave absorber with metal pattern sheet was applied in the design of a microwave absorber for high frequency region. The central frequency of absorption and the reflection loss could be controlled by changing the size and interval of metal pattern. By optimizing composition of absorbing layer and geometry of metal pattern, thinner and lighter composite microwave absorber with metal pattern satisfied the necessary conditions of central frequency 5.8 GHz and reflectivity -20 dB or more around for ETC use in Japan.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 58(11), 649-654, 2011-11-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10030479410
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    023350015
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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