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    • 10. 发明授权
    • Ceramic electronic device and the production method
    • 陶瓷电子器件及其制作方法
    • US07419927B2
    • 2008-09-02
    • US11212610
    • 2005-08-29
    • Kazushige ItoAkira Sato
    • Kazushige ItoAkira Sato
    • C04B35/468
    • H01G4/10
    • A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Bam TiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a content of the Al compound is 0 to 4.0 moles (note that 0 is not included) in terms of Al2O3 with respect to 100 moles of the main component; and preferably, the dielectric layer includes a segregation phase, and the segregation phase includes an oxide of Al.
    • 一种包括电介质层的陶瓷电子器件,其中所述电介质层包括由组成式表示的主要组分,其中“m”满足0.995 并且Ba和Ti的比例满足0.995≤Ba/ Ti <= 1.010,以及包含Al的氧化物的副成分(第六副成分) 相对于100摩尔的主成分,Al化合物的含量为0〜4.0摩尔(注意,不包括0),以Al 2 O 3 3 ; 并且优选地,电介质层包括偏析相,并且偏析相包括Al的氧化物。