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    • 5. 发明申请
    • CERAMIC CAPACITORS WITH BUILT-IN EMI SHIELD
    • 陶瓷电容器内置EMI屏蔽
    • US20150364255A1
    • 2015-12-17
    • US14500786
    • 2014-09-29
    • Apple Inc.
    • Gang NingPradeep VengavasiLinda Y. DunnYonas A. HartantoShawn X. Arnold
    • H01G2/22H01G4/30H01G2/06H01G4/12
    • H01G2/22H01G2/065H01G4/12H01G4/232H01G4/30
    • This disclosure describes methods and systems for minimizing electromagnetic interference (EMI) noise emanating from a ceramic capacitor. The ceramic capacitor may include several terminations are on a bottom portion of the capacitor. The capacitor may be designed to include several capacitors formed from electrode layers. The capacitor may include a conductive coating on an outer peripheral portion. The coating may include conductive materials such as Cu, Ni, Ag, and/or graphite. Alternatively, some regions of the capacitor may include electrode layers built into the capacitor that are not associated with capacitors. In this manner, the ceramic capacitor may be free of the conductive coating to locations proximate to the described electrode layers not associated with capacitors. The conductive coating can act as an electromagnetic shielding to prevent the EMI noise from emanating outside the electromagnetic shielding. Also, the conductive coating can be electrically grounded (e.g., to printed circuit board) via terminals.
    • 本公开描述了用于最小化从陶瓷电容器发出的电磁干扰(EMI)噪声的方法和系统。 陶瓷电容器可以包括位于电容器底部的多个端子。 电容器可以被设计成包括由电极层形成的多个电容器。 电容器可以包括外周部分上的导电涂层。 涂层可以包括诸如Cu,Ni,Ag和/或石墨的导电材料。 或者,电容器的一些区域可以包括内置于不与电容器相关联的电容器中的电极层。 以这种方式,陶瓷电容器可以没有导电涂层到靠近所描述的与电容器不相关的电极层的位置。 导电涂层可以作为电磁屏蔽,以防止EMI噪声发散在电磁屏蔽外。 此外,导电涂层可以通过端子电接地(例如,到印刷电路板)。
    • 6. 发明申请
    • MULTILAYER CAPACITOR
    • 多层电容器
    • US20130038979A1
    • 2013-02-14
    • US13546729
    • 2012-07-11
    • Masaaki TOGASHI
    • Masaaki TOGASHI
    • H01G4/30
    • H01G4/30H01G2/22H01G2/24H01G4/015
    • A multilayer capacitor that can suppress electrostrictive vibration without material constraint and with applicability to various structures, including general-purpose structures. A multilayer capacitor has: an element body formed of dielectric ceramic; and a plurality of internal electrodes disposed inside the element body such that the internal electrodes are stacked with ceramic layers sandwiched therebetween. The multilayer capacitor is provided with a capacitor area which includes the plurality of internal electrodes and a first suppression area and a second suppression area for reducing electrostriction caused by the plurality of internal electrodes so as to suppress noise. The first suppression area is adjacent to the capacitor area and the thickness of the second suppression area is determined according to the arrangement of the plurality of internal electrodes.
    • 一种可以抑制电致振动而不受材料限制并适用于包括通用结构在内的各种结构的多层电容器。 多层电容器具有:由电介质陶瓷形成的元件体; 以及多个内部电极,其设置在所述元件主体内部,使得所述内部电极层叠有夹在其间的陶瓷层。 多层电容器设置有包括多个内部电极的电容器区域和用于减少由多个内部电极引起的电致伸缩以抑制噪声的第一抑制区域和第二抑制区域。 第一抑制区域与电容器区域相邻,并且第二抑制区域的厚度根据多个内部电极的布置来确定。
    • 8. 发明授权
    • Designing method of .pi. type LC filter
    • pi型LC滤波器的设计方法
    • US5173670A
    • 1992-12-22
    • US671931
    • 1991-03-20
    • Yasuyuki NaitoHiroshi MoriiTakeshi AzumiYoshiaki Kohno
    • Yasuyuki NaitoHiroshi MoriiTakeshi AzumiYoshiaki Kohno
    • H03H1/00
    • H03H1/0007H01G2/22
    • A method of designing a .pi. type LC filter includes laminating dielectric layers on top and bottom sections of a magnetic material layer, forming a first external electrode and a second external electrode on each end of the laminated body, forming a third external electrode at a center section of the laminated body, forming an inductor by at least one conductor line within the magnetic material layer, connecting one end of the conductor line to the first external electrode and the other end thereof to the second external electrode, and forming a first capacitor composed of a parallel capacitor electrode within the top dielectric layer. One of the parallel capacitor electrodes is connected to the first external electrode and the other is connected to the third external electrode. Additionally, a second capacitor is formed composed of a pair of parallel capacitor electrodes within the bottom dielectric layer. One of the parallel capacitor electrodes is connected to the second external electrode and the other to the third external electrode. The .pi. type LC filter is mounted on a substrate having at least three electrodes wherein first and second lead inductance components L.sub.1 and L.sub.2 are formed. The external electrodes and capacitor electrodes are shaped and sized such that a ratio .alpha. (L.sub.1 /L.sub.2 or L.sub.2 /L.sub.1) is greater than or equal to 1.2 and less than or equal to 2.3.
    • 设计π型LC滤波器的方法包括在磁性材料层的顶部和底部上层叠电介质层,在层叠体的每一端形成第一外部电极和第二外部电极,在中心形成第三外部电极 在所述磁性体层中形成由至少一根导体线构成的电感器,将所述导体线的一端与所述第一外部电极的另一端连接到所述第二外部电极,形成第一电容器, 在顶部电介质层内的并联电容器电极。 并联电容器电极中的一个连接到第一外部电极,另一个连接到第三外部电极。 此外,在底部电介质层内形成由一对并联电容器电极构成的第二电容器。 并联电容电极中的一个连接到第二外部电极,而另一个连接到第三外部电极。 pi型LC滤波器安装在具有至少三个电极的基板上,其中形成有第一和第二引线电感分量L1和L2。 外部电极和电容器电极的形状和尺寸使得α(L1 / L2或L2 / L1)的比率大于或等于1.2且小于或等于2.3。
    • 9. 发明授权
    • Magnetically insulated capacitor, process for electrostatic energy storage and its applications
    • 磁绝缘电容器,静电储能过程及其应用
    • US3873930A
    • 1975-03-25
    • US33689973
    • 1973-03-01
    • WINTERBERG FRIEDWARDT M
    • WINTERBERG FRIEDWARDT M
    • H05H1/16H01G2/22H01S3/09H02N3/00H05H1/12H01G4/28
    • H01G2/22H01S3/09H02N3/00H05H1/12Y02E30/122Y02E30/126
    • The invention relates to a novel electric capacitor for the attainment of very high voltages and for the storage of electric energy, comprising of two concentric coaxial toroidal conductors with the inner conductor levitated, an external magnetic field coil, a thermionic cathode emitting electrons, a levitated guide electrode and a discharge tube. The stored energy can thereby be delivered in form of atomic particle beams or electromagnetic waves especially electron beams in very short times and thus with very high power. Applications are: (1) the initiation of nuclear reactions, especially thermonuclear reactions, (2) the collective acceleration of electrically charged atomic particles to very high energies, (3) Gamma-ray flash tubes, (4) the pumping of lasers, (5) micro wave pulse generators and (6) the use of the thusly generated radiation for medical purposes.
    • 本发明涉及一种用于获得非常高的电压和用于存储电能的新颖的电容器,其包括两个同心的同轴环形导体,其中内部导体悬浮,外部磁场线圈,发射电子的热离子阴极,悬浮的 引导电极和放电管。 因此,存储的能量可以以非常短的时间从而以非常高的功率以原子粒子束或电磁波,特别是电子束的形式递送。 应用是:(1)开始核反应,特别是热核反应,(2)带电原子粒子到非常高的能量的集体加速,(3)γ射线闪光管,(4)激光的泵浦, 5)微波脉冲发生器和(6)由此产生的辐射用于医疗目的。