Au-Sn充填貫通配線基板の高周波特性の評価 RF Characteristics of Through-Hole Interconnections Filled with Au-Sn Solder

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Silicon through-hole interconnections filled with Au-Sn solder by Molten Metal Suction Method (MMSM) have been developed. They are expected to realize wafer-level package of various devices such as Micro Electro-Mechanical Systems (MEMS), RF devices and some sensors. In this paper, RF characteristics of the through-hole interconnections were examined. Co-planar type circuits including one signal line and two grand lines were used for the measurement. Each line has two through-hole interconnections connected electrically by Cu wiring. The diameter of the through-holes was 80 μm and the thickness of the substrate was 200 μm, respectively. S-parameter S<sub>21</sub> was measured from 0.1 GHz to 8 GHz. The thickness of SiO<sub>2</sub> insulation and the resistivity of the Si substrate were especially focused on. Transmission loss of 1.2 μm SiO<sub>2</sub> sample at 1 GHz was 0.86 dB and that of 0.1 μm SiO<sub>2</sub> sample was 3.7 dB, respectively. On the other hand, the transmission loss of 10 Ωcm sample at 1 GHz was 0.86 dB and that of 1000 Ωcm sample was 0.01 dB, respectively. From these results, it was appeared that RF transmission performance of the Si through-hole interconnections becomes superior as the thickness of SiO<sub>2</sub> was thicker and as the resistivity of the Si substrate becomes higher.

収録刊行物

  • 電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society  

    電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society 126(12), 649-654, 2006-12-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10018402601
  • NII書誌ID(NCID)
    AN1052634X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13418939
  • NDL 記事登録ID
    8592944
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-B380
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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