Fabrication of PTC Sheet with Semiconducting BaTiO_3 Particles

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A mono-layer sheet of 24 mm×24 mm and a multi-layer sheet of 12 mm×12 mm were fabricated as follows. Semiconducting BaTiO<SUB>3</SUB> particles were packed between two electrodes of aluminum foil. As the particles and electrodes were enclosed in a plastic bag, evacuated and heat-sealed, they were fixed and compressed by atmospheric pressure. One layer is formed by the packed particles in the mono-layer sheet, and two to three layers are formed in the multi-layer sheet. The particles are semiconducting BaTiO<SUB>3</SUB> for the mono-layer sheet and composite particles of semiconducting BaTiO<SUB>3</SUB> and In for the multi-layer sheet. Indium particles always exist between the semiconducting BaTiO<SUB>3</SUB> particles in the multi-layer sheet and lower the contact resistance between the semiconducting particles. The properties of the sheets are investigated and the following results are obtained. (1) Both the mono-layer sheet and the multi-layer sheet are flexible and show the PTC property. (2) The performance of the multi-layer sheets is almost the same with that of the mono-layer sheet. (3) The apparent resistance is higher than that of the sintered disk, because of the imperfect contact in the sheet. (4) The thickness is about 1.1 mm and it is thinner than commercial thin PTC plates.

収録刊行物

  • Materials transactions

    Materials transactions 43(5), 956-960, 2002-05-01

    公益社団法人 日本金属学会

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  • 半導体化BaTiO_3-In複合粒子接触界面のI-V特性

    壇 武弘 , 江頭 満 , 京野 純郎 , 不動寺 浩 , 新谷 紀雄

    粉体工学会誌 36(4), 280-285, 1999-04-10

    参考文献3件 被引用文献3件

被引用文献:  3件中 1-3件 を表示

各種コード

  • NII論文ID(NAID)
    10012323157
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    6179890
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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