六方晶フェライトの1-20GHz帯域の電磁気特性-Y型フェライト電波吸収体への応用- Electromagnetic Properties of Hexagonal Ferrite in the Frequency Range of 1 to 20GHz -Application of Y-Type Ferrite to Electromagnetic Wave Absorber-

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The electromagnetic properties of Y-type hexagonal ferrite were studied to apply it to the electromagnetic wave absorbers in the GHz band. The sintered bodies having various chemical compositions were prepared, and both the complex relative-permeability and complex relative-permittivity were measured in the frequency range of 45MHz to 20GHz. The return loss was simulated with those experimental values for the metal-backed single-layer model. Moreover, a ferrite-rubber composite absorber was fabricated with Ni<SUB>2</SUB>Y-type ferrite. The simulated return loss curve agreed closely with that observed experimentally. The absorber showed the matching frequency, matching thickness and -20dB absorber bandwidth being 6.7GHz, 3.71mm and 2.1GHz, respectively. It was found that Y-type ferrite was a promising material for the absorber in the GHz band.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 46(1), 88-91, 1999-01-15

    Japan Society of Powder and Powder Metallurgy

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被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    10002053671
  • 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
    4639998
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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