Multilayer ceramic device including crack guide patterns having different structures
    22.
    发明授权
    Multilayer ceramic device including crack guide patterns having different structures 有权
    多层陶瓷装置包括具有不同结构的裂纹引导图案

    公开(公告)号:US09349537B2

    公开(公告)日:2016-05-24

    申请号:US14175112

    申请日:2014-02-07

    CPC classification number: H01G4/005 H01G4/012 H01G4/015 H01G4/12 H01G4/30

    Abstract: Disclosed herein is a multilayer ceramic device including: a device body having side surfaces spaced apart from each other and circumferential surfaces connecting the side surfaces to each other; internal electrodes disposed in a length direction of the device body in the device body; external electrodes having a front surface portion covering the side surfaces and a band portion extended from the front surface portion and covering portions of the circumferential surfaces; and crack guide patterns disposed in the device body and guiding a progress direction of a crack generated from the circumferential surfaces so that the crack is directed toward the side surface, wherein the crack guide pattern includes: a first metal pattern; and a second metal pattern disposed to be closer to the circumferential surface as compared with the first metal pattern and having gaps.

    Abstract translation: 这里公开了一种多层陶瓷装置,其包括:具有彼此间隔开的侧表面和将侧表面彼此连接的圆周表面的装置主体; 内部电极,其沿设备主体的长度方向设置在所述设备主体中; 外部电极具有覆盖侧表面的前表面部分和从前表面部分延伸并且覆盖周向表面的部分的带部分; 以及设置在所述装置主体中的裂纹引导图案,并且引导从所述周向表面产生的裂纹的前进方向,使得所述裂纹指向所述侧表面,其中所述裂纹引导图案包括:第一金属图案; 以及与第一金属图案相比更靠近圆周表面并具有间隙的第二金属图案。

    Dielectric composition and preparation method thereof
    24.
    发明授权
    Dielectric composition and preparation method thereof 有权
    介电组合物及其制备方法

    公开(公告)号:US09023747B2

    公开(公告)日:2015-05-05

    申请号:US13920810

    申请日:2013-06-18

    Abstract: There are provided a dielectric composition and a preparation method thereof, the dielectric composition including: a first perovskite powder for a core represented by ABO3: and a second perovskite powder for a shell represented by ABO3, having an average particle diameter corresponding to ⅓ to 1/10 of an average particle diameter of the first perovskite powder, and included in an amount of 1 to 70 parts by weight with respect to 100 parts by weight of the first perovskite powder, wherein particles of the second perovskite powder have pores having a volume fraction of 3 to 50 vol % therein. According to the present invention, there are provided a dielectric composition having excellent dielectric characteristics and electrical characteristics, and a preparation method thereof.

    Abstract translation: 提供介电组合物及其制备方法,所述电介质组合物包括:由ABO 3表示的用于芯的第一钙钛矿粉末和由ABO 3表示的壳的第二钙钛矿粉末,其平均粒径对应于1/3至1 / 10的第一钙钛矿粉末的平均粒径,相对于100重量份的第一钙钛矿粉末,其含量为1-70重量份,其中第二钙钛矿粉末的颗粒具有孔体积 3〜50体积%的分数。 根据本发明,提供了具有优异的介电特性和电特性的电介质组合物及其制备方法。

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