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    • 61. 发明申请
    • ULTRA THIN FILM CAPACITOR AND MANUFACTURING METHOD THEREOF
    • 超薄膜电容器及其制造方法
    • US20150103465A1
    • 2015-04-16
    • US14051845
    • 2013-10-11
    • Samsung Electro-Mechanics Co., Ltd.
    • Young Sik KangSung Min Cho
    • H01G4/33H01G4/10H01G4/008H01G4/30
    • H01G4/33H01G4/008H01G4/1227H01G4/232H01G4/30Y10T29/435
    • Disclosed herein are an ultra thin film capacitor and a manufacturing method thereof. According to an exemplary embodiment of the present invention, there is provided an ultra thin film capacitor including: a substrate; a dielectric unit formed of thin film dielectric layers alternately stacked with a plurality of internal electrode layers on the substrate; an internal electrode unit formed of the plurality of internal electrode layers alternately stacked with the thin film dielectric layers in the dielectric unit on the substrate, the internal electrode layer including first electrode layers and a second electrode layer made of material having a specific resistance lower than that of the first electrode layer; and via electrodes formed at both sides of the internal electrode unit on the substrate and each being electrically connected alternately with the stacked internal electrode layers. Further, the manufacturing method thereof is proposed.
    • 这里公开了超薄膜电容器及其制造方法。 根据本发明的示例性实施例,提供了一种超薄膜电容器,包括:基板; 由在所述基板上交替层叠有多个内部电极层的薄膜电介质层构成的电介质单元; 由所述多个内部电极层形成的内部电极单元,所述多个内部电极层与所述介质单元中的所述薄膜电介质层交替层叠,所述内部电极层包括第一电极层,所述第二电极层由比电阻低于 第一电极层; 以及形成在基板上的内部电极单元的两侧的通孔电极,并且各自与层叠的内部电极层交替地电连接。 此外,提出了其制造方法。
    • 63. 发明申请
    • MULTI-LAYER CERAMIC CAPACITOR
    • 多层陶瓷电容器
    • US20150036264A1
    • 2015-02-05
    • US14389287
    • 2012-11-13
    • TAIYO YUDEN CO., LTD.
    • Koichiro MoritaTetsuo ShimuraKunihiko Nagaoka
    • H01G4/20H01G4/224H01G4/10H01G4/12
    • H01G4/20C04B35/4682C04B35/64C04B2235/3206C04B2235/3224C04B2235/3225C04B2235/3239C04B2235/3244C04B2235/3262C04B2235/3418C04B2235/5445C04B2235/6025C04B2235/658C04B2235/6584C04B2235/663C04B2235/781C04B2235/785H01G4/10H01G4/1227H01G4/1236H01G4/224
    • A multi-layer ceramic capacitor has a structure where its dielectric layers are constituted by a sintered compact that contains a mol of ReO3/2, b mol of SiO2, c mol of MOx, d mol of ZrO2, and e mol of MgO (where Re is a rare earth element, M is a metal element (except for Ba, Ti, Re, Si, Zr, Mg, and rare earth elements), and x is a valance) per 100 mol of BaTiO3, and a, b, c, d, and e mentioned above which indicate the mol numbers of respective constituents per 100 mol of BaTiO3 are 0.1≦a≦1.0, 0.1≦b≦1.5, 0.1≦c≦0.4, 0≦d≦1.0, and 0≦e≦0.03, respectively.Provide a multi-layer ceramic capacitor that allows for high-density layering and still achieves improved reliability by means of suppressing the grain growth when the dielectric grains constituting the dielectric layers are sintered and thereby ensuring sufficient grain boundary, while also setting a high dielectric constant per unit grain size.A multi-layer ceramic capacitor where its dielectric layers are constituted by a sintered compact that contains a mol of ReO3/2, b mol of SiO2, c mol of MOx, d mol of ZrO2, and e mol of MgO (where Re is a rare earth element, M is a metal element (except for Ba, Ti, Re, Si, Zr, Mg, and rare earth elements), and x is a valance) per 100 mol of BaTiO3, and a, b, c, d, and e mentioned above which indicate the mol numbers of respective constituents per 100 mol of BaTiO3 are 0.1≦a≦1.0, 0.1≦b≦1.5, 0.1≦c≦0.4, 0≦d≦1.0, and 0≦e≦0.03, respectively.
    • 多层陶瓷电容器具有这样的结构,其电介质层由含有ReO 3/2摩尔,SiO 2的b摩尔,MO x的摩尔数,ZrO 2的d摩尔和MgO的e摩尔的烧结体构成 Re是稀土元素,M是每100摩尔BaTiO 3中的金属元素(Ba,Ti,Re,Si,Zr,Mg和稀土元素除外),x是价态),a,b, c,d和e表示每100摩尔BaTiO 3的各组分的摩尔数为0.1和nlE; a≦̸ 1.0,0.1和nlE; b≦̸ 1.5,0.1和nlE; c≦̸ 0.4,0和nlE; d≦̸ 1.0和 0≦̸ e≦̸ 0.03。 提供一种多层陶瓷电容器,其可以通过在构成电介质层的电介质晶粒被烧结时抑制晶粒生长并且由此确保足够的晶界同时设定高的介电常数来实现高密度分层,并且仍然可以获得提高的可靠性 每单位晶粒尺寸。 一种多层陶瓷电容器,其电介质层由含有ReO 3/2摩尔,SiO 2的b摩尔,MOx的摩尔​​数,ZrO 2的d摩尔和MgO的摩尔数(其中Re为 稀土元素,M是每100摩尔BaTiO 3中的金属元素(Ba,Ti,Re,Si,Zr,Mg和稀土元素除外),x是价),a,b,c,d 和上述e表示每100摩尔BaTiO 3的各组分的摩尔数为0.1和nlE; a≦̸ 1.0,0.1和nlE; b≦̸ 1.5,0.1和nlE; c≦̸ 0.4,0和nlE; d≦̸ 1.0和0& ; 0.03。
    • 69. 发明申请
    • MANUFACTURING METHOD FOR LAMINATED CERAMIC CAPACITOR, AND LAMINATED CERAMIC CAPACITOR
    • 层压陶瓷电容器和层压陶瓷电容器的制造方法
    • US20140043725A1
    • 2014-02-13
    • US14063000
    • 2013-10-25
    • MURATA MANUFACTURING CO., LTD
    • Makoto MatsudaTomoyuki Nakamura
    • H01G4/10
    • H01G4/10H01G4/1227H01G4/30
    • A method for manufacturing a laminated ceramic capacitor by firing a laminated body which includes dielectric ceramic layers containing a dielectric ceramic raw material powder and internal electrodes. The firing is carried out in accordance with a temperature profile in which the average rate of temperature rise is 40° C./second or more from room temperature to a maximum temperature. The dielectric ceramic raw material powder contains a BaTiO3 system as its main constituent, and contains R (R is Sc, etc.), M (M is Mn, etc.), and Mg as accessory constituents, in which, when the total amount of the accessory constituents contained is denoted by D parts by mol with respect to 100 parts by mol of the main constituent, an the specific surface area of the main constituent is denoted by E m2/g, then D/E is 0.2 to 0.8.
    • 一种层叠陶瓷电容器的制造方法,该层叠陶瓷电容器通过烧结包含介电陶瓷原料粉末和内部电极的电介质陶瓷层的层叠体。 根据从室温到最高温度的平均升温速度为40℃/秒以上的温度分布进行烧成。 电介质陶瓷原料粉末以BaTiO3体系为主要成分,含有R(R为Sc等),M(M为Mn等),Mg为辅助成分,其中, 所含辅助成分相对于主成分为100份摩尔为D份,主成分的比表面积为E m2 / g,D / E为0.2〜0.8。