高誘電率(Sr,Ca,Pb)TiO_3系誘電体セラミックス材料の開発
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概要
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As barium titanate series dielectric ceramics is ferroelecricity, the decline of the capacitance occurred caused in applying high voltage by the material's characteristics of voltage dependent. It was already reported that a present material, which had been developed from (Sr, Ba) TiO_3 series ceramics, had a high dielectric constant and moreover is little under the influence of its voltage dependent characteristics. However, for the CR T circuit, etc. operated by DC high voltage, it has been required that the capacitor material have not to be at all under the influence of voltage dependent characteristic, or rather enhance capacitance in applying voltage. Completing the requirement, a new material from (Sr, Ca, Pb) TiO_3 Series ceramics was developed. The explanation of the author's fundamental way of thinking in developing the new material, and the study on the electric characteristics and the microstructure of the material, are discussed in this paper.
- 社団法人日本セラミックス協会の論文
- 1989-07-01
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