Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR
PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition having good characteristics under high electric field intensity, especially, IR characteristics and good high temperature load life.SOLUTION: A dielectric ceramic composition contains a main component made of a perovskite type compound represented by a composition formula (BaSrCa)(TiZr)O, a first auxiliary component made of an oxide of a rare earth element and a second auxiliary component as a sintering aid, the dielectric ceramic composition contains dielectric particles 21 having high diffusivity of the rare earth element, preferably, contains complete solid particles, and when concentration of Ti atom in a diffusion phase 21b is 100 atom%, average concentration of rare earth element R in the diffusion phase 21b is 5 atom% or more, and average concentration of Zr in the diffusion phase 21b is 10 atom% or more.SELECTED DRAWING: Figure 2
【課題】高い電界強度下においても良好な特性、特にＩＲ特性および高温負荷寿命の良好な誘電体磁器組成物の提供。【解決手段】誘電体磁器組成物は、組成式（Ｂａ１−ｘ−ｙＳｒｘＣａｙ）ｍ（Ｔｉ１−ＺＺｒＺ）Ｏ３で表されるペロブスカイト型化合物からなる主成分と、希土類元素の酸化物からなる第１副成分と、焼結助剤としての第２副成分とを含む誘電体磁器組成物であって、前記誘電体磁器組成物は、希土類元素の拡散率の高い誘電体粒子２１、好ましくは全固溶粒子を含み、拡散相２１ｂにおけるＴｉ原子の濃度を１００原子％とした場合に、拡散相２１ｂにおける希土類元素Ｒの平均濃度が５原子％以上であり、かつ、拡散相２１ｂにおけるＺｒの平均濃度が１０原子％以上であることを特徴としている。【選択図】図２
DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR
PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition having good characteristics under high electric field intensity, especially, IR characteristics and good high temperature load life.SOLUTION: A dielectric ceramic composition contains a main component made of a perovskite type compound represented by a composition formula (BaSrCa)(TiZr)O, a first auxiliary component made of an oxide of a rare earth element and a second auxiliary component as a sintering aid, the dielectric ceramic composition contains dielectric particles 21 having high diffusivity of the rare earth element, preferably, contains complete solid particles, and when concentration of Ti atom in a diffusion phase 21b is 100 atom%, average concentration of rare earth element R in the diffusion phase 21b is 5 atom% or more, and average concentration of Zr in the diffusion phase 21b is 10 atom% or more.SELECTED DRAWING: Figure 2
【課題】高い電界強度下においても良好な特性、特にＩＲ特性および高温負荷寿命の良好な誘電体磁器組成物の提供。【解決手段】誘電体磁器組成物は、組成式（Ｂａ１−ｘ−ｙＳｒｘＣａｙ）ｍ（Ｔｉ１−ＺＺｒＺ）Ｏ３で表されるペロブスカイト型化合物からなる主成分と、希土類元素の酸化物からなる第１副成分と、焼結助剤としての第２副成分とを含む誘電体磁器組成物であって、前記誘電体磁器組成物は、希土類元素の拡散率の高い誘電体粒子２１、好ましくは全固溶粒子を含み、拡散相２１ｂにおけるＴｉ原子の濃度を１００原子％とした場合に、拡散相２１ｂにおける希土類元素Ｒの平均濃度が５原子％以上であり、かつ、拡散相２１ｂにおけるＺｒの平均濃度が１０原子％以上であることを特徴としている。【選択図】図２
DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR
誘電体磁器組成物および積層セラミックコンデンサ
SAKURAI DAN (Autor:in) / MORIGASAKI NOBUTO (Autor:in) / ISHII TATSUYA (Autor:in) / ARIIZUMI TAKUMA (Autor:in) / HASHIMOTO KUNIAKI (Autor:in) / ITO YASUHIRO (Autor:in)
05.10.2017
Patent
Elektronische Ressource
Japanisch
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