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    LAYERED INDUCTOR AND MANUFACTURING METHOD THEREOF
    1.
    发明申请
    LAYERED INDUCTOR AND MANUFACTURING METHOD THEREOF 审中-公开
    层状电感器及其制造方法

    公开(公告)号：US20120056705A1

    公开(公告)日：2012-03-08

    申请号：US13007023

    申请日：2011-01-14

    Applicant: Sung Lyoung KIM ,  Jin Woo HAHN ,  Ic Seob KIM ,  Sung Yong AN ,  Soo Hwan SON

    Inventor： Sung Lyoung KIM ,  Jin Woo HAHN ,  Ic Seob KIM ,  Sung Yong AN ,  Soo Hwan SON

    IPC: H01F5/02 ,  H01F7/06

    CPC classification number: H01F27/292 ,  H01F17/0033 ,  Y10T29/4902

    Abstract: There is provided a layered inductor and a manufacturing method of the layered inductor. There is provided a layered inductor, comprising: a main body in which a plurality of non-magnetic layers are stacked; coil parts ha-ving a plurality of conductor patterns and a plurality of via electrodes formed on the plurality of non-magnetic layers; a plurality of magnetic paths formed in the inner central portion of the coil parts and passing the magnetic flux induced from the coil parts therethrough; and first and second external electrodes formed on the external surface of the main body to be connected to both ends of the coil part, respectively.

    Abstract translation: 提供了分层电感器和分层电感器的制造方法。 提供一种分层电感器，包括：主体，其中堆叠多个非磁性层; 线圈部分具有多个导体图案和形成在多个非磁性层上的多个通孔电极; 多个磁路形成在线圈部分的内部中心部分，并使从线圈部分引起的磁通通过; 以及形成在主体的外表面上的第一和第二外部电极，分别连接到线圈部分的两端。

    YIG magnetic ceramic composition for microwave application and preparation method thereof
    2.
    发明授权
    YIG magnetic ceramic composition for microwave application and preparation method thereof 有权
    用于微波应用的YIG磁性陶瓷组合物及其制备方法

    公开(公告)号：US06899819B2

    公开(公告)日：2005-05-31

    申请号：US10716768

    申请日：2003-11-18

    Applicant: Dong-Young Kim ,  Jin Woo Hahn ,  Dong Suk Jun ,  Sang Seok Lee

    Inventor： Dong-Young Kim ,  Jin Woo Hahn ,  Dong Suk Jun ,  Sang Seok Lee

    IPC: C04B35/26 ,  H01F1/01 ,  H01F1/34 ,  C04B35/40 ,  H01F1/10

    CPC classification number: H01F1/346

    Abstract: The present research provides a high-density magnetic ceramic composition for microwave application and a preparation method thereof. The magnetic ceramic composition of this research includes Yttrium iron garnet (YIG, Y3Fe5O12) as its basic element and a little amount of additional element, silicon oxide (SiO2), which is expressed as: Y3Fe5O12+x SiO2 (0.05≦x≦5 mol %). The magnetic ceramic composition is prepared by measuring proper amounts of ferric oxide (Fe2O3), yttrium oxide (Y2O3) and SiO2, mixing them, calcining the mixture, and molding and sintering them. Since the magnetic ceramic composition of the present research has very little magnetic loss, it can be used in components for communication in a microwave band, usefully.

    Abstract translation: 本研究提供了用于微波应用的高密度磁性陶瓷组合物及其制备方法。 该研究的磁性陶瓷组合物包括钇铁石榴石（YIG，Y 3 N 5 O 12 O 12）作为其基本元素，少量 的附加元素，氧化硅（SiO 2/2），其表示为：Y 3 Fe 5 O 12 + x SiO 2（0.05≤x≤5mol％）。 磁性陶瓷组合物通过测量适量的氧化铁（Fe 2 O 3 O 3），氧化钇（Y 2 O 3 O 3） 3＆gt;）和SiO 2，混合它们，煅烧混合物，并将其模塑和烧结。 由于本研究的磁性陶瓷组合物具有非常小的磁损耗，因此可用于微波带通信的部件中。

    Multilayer type power inductor
    3.
    发明授权
    Multilayer type power inductor 有权
    多层式功率电感

    公开(公告)号：US08576040B2

    公开(公告)日：2013-11-05

    申请号：US13237272

    申请日：2011-09-20

    Applicant: Myeong Gi Kim ,  So Yeon Song ,  Ic Seob Kim ,  Sung Yong An ,  Jin Woo Hahn ,  Soo Hwan Son

    Inventor： Myeong Gi Kim ,  So Yeon Song ,  Ic Seob Kim ,  Sung Yong An ,  Jin Woo Hahn ,  Soo Hwan Son

    IPC: H01F5/00 ,  H01F27/28 ,  H01F17/00 ,  C04B35/00

    CPC classification number: H01F17/0013 ,  H01F17/04 ,  H01F27/292

    Abstract: Disclosed herein is a multilayer type power inductor including: a plurality of body layers including internal electrodes and having magnetic material layers stacked therein; and a plurality of gap layers, wherein the gap layer has an asymmetrical structure. In the multilayer type power inductor, portions that are in contact with the body layers have, a non-porous structure, which is a dense structure, and portions that are not in contact with the body layers have a porous structure, such that the gap layer has the asymmetrical structure. Therefore, a magnetic flux propagation path in a coil is dispersed to suppress magnetization at a high current, thereby making it possible to improve a change in inductance (L) value according to the application of current.

    Abstract translation: 本文公开了一种多层型功率电感器，包括：多个体层，包括内部电极，并且其中堆叠有磁性材料层; 以及多个间隙层，其中间隙层具有不对称结构。 在多层型功率电感器中，与体层接触的部分具有致密结构的无孔结构，并且与身体层不接触的部分具有多孔结构，使得间隙 层具有不对称结构。 因此，线圈中的磁通传播路径被分散以抑制高电流下的磁化，从而可以根据电流的应用来改善电感（L）值的变化。

    MULTILAYERED POWER INDUCTOR AND METHOD FOR PREPARING THE SAME
    4.
    发明申请
    MULTILAYERED POWER INDUCTOR AND METHOD FOR PREPARING THE SAME 审中-公开
    多层功率电感器及其制备方法

    公开(公告)号：US20130002391A1

    公开(公告)日：2013-01-03

    申请号：US13534707

    申请日：2012-06-27

    Applicant: Ic Seob KIM ,  Soo Hwan SON ,  Sung Yong AN ,  Jin Woo HAHN ,  Byeong Cheol MOON

    Inventor： Ic Seob KIM ,  Soo Hwan SON ,  Sung Yong AN ,  Jin Woo HAHN ,  Byeong Cheol MOON

    IPC: H01F27/24 ,  H01F41/32

    CPC classification number: H01F27/24 ,  H01F1/24 ,  H01F1/26 ,  H01F1/33 ,  H01F17/0033 ,  H01F2027/2809

    Abstract: Disclosed herein are a multilayered power inductor including a magnetic layer having a structure in which a metal magnetic powder is distributed on a glass substrate, a composition for the magnetic layer, and a method for preparing a multilayered power inductor. According to an exemplary embodiment of the present invention, the multilayered power inductor including a magnetic layer obtained by mixing the metal magnetic powder having high Ms with the glass substrate has excellent bias characteristics having small variations in capacity even when high current is applied. In addition, the exemplary embodiment of the present invention can use Cu as an inner electrode, instead of an expensive precious metal Ag.

    Abstract translation: 本文公开了一种多层功率电感器，其包括具有金属磁性粉末分布在玻璃基板上的结构的磁性层，用于磁性层的组合物，以及制备多层功率电感器的方法。 根据本发明的示例性实施例，包括通过将具有高Ms的金属磁性粉末与玻璃基板混合而获得的磁性层的多层功率电感器具有优异的偏置特性，即使在施加高电流时容量变化也很小。 此外，本发明的示例性实施例可以使用Cu作为内部电极，而不是昂贵的贵金属Ag。

    MgAl2O4-system dielectric ceramic composition and method for fabricating dielectric ceramic using the same
    7.
    发明授权
    MgAl2O4-system dielectric ceramic composition and method for fabricating dielectric ceramic using the same 失效
    MgAl2O4系介电陶瓷组合物及其制备方法

    公开(公告)号：US06673731B2

    公开(公告)日：2004-01-06

    申请号：US10152221

    申请日：2002-05-20

    Applicant: Jin Woo Hahn ,  Dong Young Kim ,  Sang Seok Lee ,  Tae Goo Choy

    Inventor： Jin Woo Hahn ,  Dong Young Kim ,  Sang Seok Lee ,  Tae Goo Choy

    IPC: C04B35443

    CPC classification number: C04B35/443 ,  C04B2235/3203 ,  C04B2235/77

    Abstract: The present invention relates to a ceramic dielectric material for communication components, which can be used in the microwave and millimeter wave frequency band. More particularly, the present invention relates to a dielectric ceramic composition for the microwave/millimeter wave frequency band having a very high quality factor and a low dielectric constant, and a method of manufacturing the dielectric ceramic using the same. The dielectric ceramic composition consists of spinel (MgAl2O4) as a major component and a small amount of lithium carbonate (Li2CO3) as a sub composition with a specific composition formula. The dielectric ceramic is manufactured from magnesia (MgO), alumina (Al2O3) and lithium carbonate (Li2CO3) as raw materials and through the ceramic processing of calcination, shaping and sintering. The obtained dielectric ceramic has the quality factor (Q×f) of 160,000 and the dielectric constant (&egr;r) of 8.5. Composition formula: MgAl2O4+xLi2CO3(mol %) where, 0

    Abstract translation: 本发明涉及可用于微波和毫米波频带的通信部件用陶瓷电介质材料。 更具体地说，本发明涉及具有非常高的品质因数和低介电常数的用于微波/毫米波频带的电介质陶瓷组合物，以及使用该电介质陶瓷的方法。 电介质陶瓷组合物由作为主要成分的尖晶石（MgAl 2 O 4）和作为具有特定组成式的亚组合物的少量碳酸锂（Li 2 CO 3）组成。 电介质陶瓷由氧化镁（MgO），氧化铝（Al2O3）和碳酸锂（Li2CO3）为原料，通过陶瓷加工煅烧，成形和烧结制成。 所获得的介电陶瓷的品质因子（Qxf）为160,000，介电常数（ε）为8.5。组成式：其中，0

    Directional coupler using non-radiative dielectric waveguide
    10.
    发明授权
    Directional coupler using non-radiative dielectric waveguide 失效
    使用非辐射介质波导的定向耦合器

    公开(公告)号：US06956447B2

    公开(公告)日：2005-10-18

    申请号：US10682628

    申请日：2003-10-08

    Applicant: Hong Yeol Lee ,  Jin Woo Hahn ,  Dong Suk Jun ,  Kyoung Suk Ko ,  Sang Seok Lee

    Inventor： Hong Yeol Lee ,  Jin Woo Hahn ,  Dong Suk Jun ,  Kyoung Suk Ko ,  Sang Seok Lee

    IPC: H01P5/18 ,  H01P1/08

    CPC classification number: H01P5/188

    Abstract: A dictionary coupler using a non-radiative dielectric waveguide is disclosed. Particularly, a millimeter wave band non-radiative dielectric waveguide directional coupler using a multiple-hole structure in which two parallel NRD waveguides located between upper and lower conductive plates and a conductive plate having a multiple-hole structure is inserted between two NRD waveguides to couple electric and magnetic waves of an electric field component or a magnetic field component is provided.

    Abstract translation: 公开了一种使用非辐射介质波导的字典耦合器。 特别地，使用多孔结构的毫米波段非辐射介质波导定向耦合器，其中位于上导电板和下导电板之间的两个平行NRD波导和具有多孔结构的导电板插入在两个NRD波导之间以耦合 提供电场分量或磁场分量的电磁波。

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