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, and contains dielectric particles that are complete solid particles 22 formed of a diffusion phase where a rare earth element is diffused or core shell particles 21 formed from a core 21a having a high rate of the diffusion phase and a shell 21b, and in which average concentration of the rare earth element in the diffusion phase is 5-20 atom% and concentration distribution of the rare earth element in the diffusion phase is uniform.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】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副成分とを含み、希土類元素が拡散した拡散相により形成される全固溶粒子２２、または拡散相の割合の高いコア２１ａとシェル２１ｂとから形成されているコアシェル粒子２１であり、拡散相における希土類元素の平均濃度が５〜２０原子％であり、かつ拡散相の希土類元素の濃度分布が均一である誘電体粒子を含む誘電体磁器組成物。【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, and contains dielectric particles that are complete solid particles 22 formed of a diffusion phase where a rare earth element is diffused or core shell particles 21 formed from a core 21a having a high rate of the diffusion phase and a shell 21b, and in which average concentration of the rare earth element in the diffusion phase is 5-20 atom% and concentration distribution of the rare earth element in the diffusion phase is uniform.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】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副成分とを含み、希土類元素が拡散した拡散相により形成される全固溶粒子２２、または拡散相の割合の高いコア２１ａとシェル２１ｂとから形成されているコアシェル粒子２１であり、拡散相における希土類元素の平均濃度が５〜２０原子％であり、かつ拡散相の希土類元素の濃度分布が均一である誘電体粒子を含む誘電体磁器組成物。【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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