PbO, TiO<sub>2</sub>を含有するガラス・セラミックス誘電体による厚膜容量素子

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タイトル別名
  • Thick-Film Capacitors Made from Glass-Ceramics Containing PbO and TiO<sub>2</sub>
  • PbO , TiO2 オ ガンユウ スル ガラス セラミックス ユウデンタイ ニ ヨル コウマク ヨウリョウ ソシ エイブン

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説明

1) A thick-film capacitor having a dielectric constant of 94 and tan δ of 0.0130 (at 106c/s) was obtained by firing powder of a PbO-TiO2-Al2O3-SiO2-B2O3 glass on an alumina substrate to approximately 600°C. The layer of glass powder was changed to a glass-ceramic film in this firing process. The temperature dependence of the dielectric constant of the capacitor was almost linear in the range from room temperature to 270°C with temperature coefficient of 0.00083/degree.<br>2) It was found that glass powders which soften before crystallization are suitable for preparing capacitors of high dielectric constant. Otherwise, many cracks were formed in the thick-film dielectrics, which resulted in the lowering of its apparent dielectric constant.

収録刊行物

  • 窯業協會誌

    窯業協會誌 78 (894), 58-63, 1970

    公益社団法人 日本セラミックス協会

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