Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
PROBLEM TO BE SOLVED: To provide a laminated ceramic capacitor having higher high-temperature load reliability than that of conventional laminated ceramic capacitors.SOLUTION: In a laminated ceramic capacitor 50 comprising a ceramic laminate (capacitor body) 10 having a plurality of dielectric ceramic layers 11 formed of a dielectric ceramic and a plurality of internal electrodes 12 laminated to each other through the dielectric ceramic layer 11, the dielectric ceramic layers 11 are formed of a dielectric ceramic containing a perovskite-type compound including Ba and Ti, and Zr, Mn, and V, and having a ratio of the molar amount of Zr to the total molar amount of Mn and V in a range of 10-150%, the ratio of the molar amount of Zr to the total molar amount of Mn and V is 40-100%, and the average thickness of the internal electrode 12 is 0.5 μm or less.SELECTED DRAWING: Figure 1
【課題】従来の積層セラミックコンデンサに比べて高温負荷信頼性の高い積層セラミックコンデンサの提供。【解決手段】誘電体セラミックからなる複数の誘電体セラミック層１１と、誘電体セラミック層１１を介して積層された複数の内部電極１２とを有するセラミック積層体（コンデンサ本体）１０を備えた積層セラミックコンデンサ５０において、誘電体セラミック層１１を、ＢａとＴｉとを含むペロブスカイト型化合物と、Ｚｒと、Ｍｎと、Ｖとを含有し、Ｚｒのモル量の、ＭｎとＶの合計モル量に対する割合が、１０〜１５０％の範囲にある誘電体セラミックから形成し、また、Ｚｒのモル量の、ＭｎとＶの合計モル量に対する割合を４０〜１００％とし、内部電極１２の平均厚みを０．５μｍ以下とする積層セラミックコンデンサ。【選択図】図１
PROBLEM TO BE SOLVED: To provide a laminated ceramic capacitor having higher high-temperature load reliability than that of conventional laminated ceramic capacitors.SOLUTION: In a laminated ceramic capacitor 50 comprising a ceramic laminate (capacitor body) 10 having a plurality of dielectric ceramic layers 11 formed of a dielectric ceramic and a plurality of internal electrodes 12 laminated to each other through the dielectric ceramic layer 11, the dielectric ceramic layers 11 are formed of a dielectric ceramic containing a perovskite-type compound including Ba and Ti, and Zr, Mn, and V, and having a ratio of the molar amount of Zr to the total molar amount of Mn and V in a range of 10-150%, the ratio of the molar amount of Zr to the total molar amount of Mn and V is 40-100%, and the average thickness of the internal electrode 12 is 0.5 μm or less.SELECTED DRAWING: Figure 1
【課題】従来の積層セラミックコンデンサに比べて高温負荷信頼性の高い積層セラミックコンデンサの提供。【解決手段】誘電体セラミックからなる複数の誘電体セラミック層１１と、誘電体セラミック層１１を介して積層された複数の内部電極１２とを有するセラミック積層体（コンデンサ本体）１０を備えた積層セラミックコンデンサ５０において、誘電体セラミック層１１を、ＢａとＴｉとを含むペロブスカイト型化合物と、Ｚｒと、Ｍｎと、Ｖとを含有し、Ｚｒのモル量の、ＭｎとＶの合計モル量に対する割合が、１０〜１５０％の範囲にある誘電体セラミックから形成し、また、Ｚｒのモル量の、ＭｎとＶの合計モル量に対する割合を４０〜１００％とし、内部電極１２の平均厚みを０．５μｍ以下とする積層セラミックコンデンサ。【選択図】図１
LAMINATED CERAMIC CAPACITOR
積層セラミックコンデンサ
YAO TAKEYUKI (Autor:in)
21.04.2016
Patent
Elektronische Ressource
Japanisch
LAMINATED CERAMIC CAPACITOR AND METHOD OF MANUFACTURING LAMINATED CERAMIC CAPACITOR
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