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公开(公告)号：US20190378644A1
公开(公告)日：2019-12-12
申请号：US16548147
申请日：2019-08-22
IPC分类号： H01F27/28 , H01F27/255 , H01F27/29 , H01F27/32 , H01F41/04
摘要： A coil component includes an insulating layer having a coil shape, first and second coil conductor layers on opposing surfaces of the insulating layer, each having a coil shape corresponding to that of the insulating layer, and an encapsulant encapsulating the insulating layer and the first and second coil conductor layers.
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公开(公告)号：US20190013143A1
公开(公告)日：2019-01-10
申请号：US15861189
申请日：2018-01-03
CPC分类号： H01F27/2804 , H01F17/0013 , H01F27/255 , H01F27/29 , H01F27/292 , H01F2017/002
摘要： A thin film type inductor includes first, second and third exposed portions exposed to a first end surface of a body and fourth, fifth and sixth exposed portions exposed to a second end surface of the body opposing the first end surface of the body among external surfaces of the body. The first, second and third exposed portions are formed to be exposed symmetrically to the fourth, fifth and sixth exposed portions opposing the first, second and third exposed portions, respectively.
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公开(公告)号：US20180358171A1
公开(公告)日：2018-12-13
申请号：US15982269
申请日：2018-05-17
发明人： Ji Hyung JUNG , Boum Seock KIM , Kang Wook BONG
摘要： A coil component includes a coil and external electrodes electrically connected to the coil. The coil may include a plurality of coil patterns. A distal end of an outermost coil pattern may include a gap filling portion. A through via directly connected to an innermost coil pattern may also include a gap filling portion.
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公开(公告)号：US20180350505A1
公开(公告)日：2018-12-06
申请号：US15818490
申请日：2017-11-20
摘要： A coil component and a method of manufacturing the same are disclosed. The coil component includes: a support member, and a coil pattern disposed on at least one surface of the support member. The coil pattern includes a first coil layer and a second coil layer disposed on the first coil layer. The second coil layer includes a lower region having the same width as that of the first coil layer and an upper region having a width greater than that of the first coil layer.
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公开(公告)号：US20150270476A1
公开(公告)日：2015-09-24
申请号：US14284168
申请日：2014-05-21
发明人： Boum Seock KIM , Kyung-Mi KIM , Seung Ho LEE , Kyung-Lock KIM , Jung-Wook SEO
IPC分类号： H01L41/083 , B06B1/02 , H01L41/187
CPC分类号： H01L41/0838 , B06B1/0603 , H01L41/1876
摘要： Disclosed are a piezoelectric element and a piezoelectric vibrator having the same. The piezoelectric element and the piezoelectric vibrator having the same in accordance with an embodiment of the present invention include: a piezoelectric material formed by laminating a plurality of ceramic layers with one another; internal electrodes formed, respectively, on surfaces of the ceramic layers; and a pair of cover layers formed, respectively, above and below the piezoelectric material in order to protect the internal electrodes, and at least one of the cover layers includes: a plurality of crystal grains; and crack inhibiting particles disposed at boundaries between the plurality of crystal grains and configured to inhibit a crack from spreading in the cover layers.
摘要翻译： 公开了一种压电元件和具有该压电元件的压电振动器。 根据本发明的实施例的压电元件和具有该压电元件的压电振动器包括：通过将多个陶瓷层彼此层压而形成的压电材料; 内部电极分别形成在陶瓷层的表面上; 以及分别形成在所述压电材料上方和下方的一对覆盖层，以便保护所述内部电极，并且所述覆盖层中的至少一个包括：多个晶粒; 以及设置在所述多个晶粒之间的边界处并被构造为抑制裂纹在所述覆盖层中扩展的裂纹抑制粒子。
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公开(公告)号：US20150076967A1
公开(公告)日：2015-03-19
申请号：US14488127
申请日：2014-09-16
发明人： Boum Seock KIM , Hui Sun PARK , Jung Wook SEO
IPC分类号： H01L41/083 , H01L41/047
CPC分类号： H01L41/083 , H01L41/0471
摘要： The present disclosure relates to a multilayer piezoelectric element which includes a plurality of piezoelectric layers with a thickness of 15 μm to 100 μm each; and internal electrodes interposed between the plurality of piezoelectric layers and laminated to alternately form an anode and a cathode.
摘要翻译： 本发明涉及一种层叠型压电元件，其包括多个厚度为15μm至100μm的压电层; 以及插入在所述多个压电层之间并层叠以交替地形成阳极和阴极的内部电极。
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47.发明申请公开(公告)号：US20140368091A1
公开(公告)日：2014-12-18
申请号：US14029609
申请日：2013-09-17
发明人： Boum Seock KIM , Jung Wook SEO
IPC分类号： H01L41/047 , H01L41/293
CPC分类号： H01L41/0474 , H01L41/047 , H01L41/273 , H01L41/293 , Y10T29/42
摘要： There is provided a piezoelectric device, including: a multilayered body in which a piezoelectric layer having a first internal electrode formed thereon and a piezoelectric layer having a second internal electrode formed thereon are alternately formed; a first insulating via formed in the first internal electrode layer; a second insulating via formed in the second internal electrode layer; a first conductive via formed in the multilayered body and penetrating through the first insulating via; and a second conductive via formed in the multilayered body and penetrating through the second insulating via, wherein a diameter of the first insulating via is larger than a diameter of the first conductive via, and a diameter of the second insulating via is larger than a diameter of the second conductive via.
摘要翻译： 提供了一种压电器件，包括：多层体，其中形成有第一内部电极的压电层和形成有第二内部电极的压电层交替地形成; 形成在第一内部电极层中的第一绝缘通孔; 形成在所述第二内部电极层中的第二绝缘通孔; 第一导电通孔，其形成在所述多层体中并穿过所述第一绝缘通孔; 以及形成在多层体中并穿过第二绝缘通孔的第二导电通孔，其中第一绝缘通孔的直径大于第一导电通孔的直径，并且第二绝缘通孔的直径大于直径 的第二导电通孔。
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公开(公告)号：US20240304380A1
公开(公告)日：2024-09-12
申请号：US18385085
申请日：2023-10-30
发明人： Soon Kwang KWON , Dong Jin LEE , Dong Hwan LEE , Boum Seock KIM
CPC分类号： H01F27/324 , H01F27/2847 , H01F2027/329
摘要： A coil component includes a support member; a coil portion including at least one of first and second coil patterns respectively disposed on one surface and the other surface of the support member; and a body embedding the support member and the coil portion, wherein at least one of the first and second coil patterns includes a second conductive layer and a first conductive layer disposed between the second conductive layer and the support member, and wherein the coil portion further includes an internal insulating wall buried in the second conductive layer.
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公开(公告)号：US20240304376A1
公开(公告)日：2024-09-12
申请号：US18375310
申请日：2023-09-29
IPC分类号： H01F27/29
CPC分类号： H01F27/292
摘要： A coil component includes a body having a recess formed therein, a support member disposed within the body, a coil disposed on the support member, and an external electrode disposed on one surface of the body, the external electrode extending to the recess to be connected to the coil. The external electrode includes a first metal layer disposed on the recess to be in contact with the coil, and a conductive resin layer having at least a portion in contact with the first metal layer.
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公开(公告)号：US20240186061A1
公开(公告)日：2024-06-06
申请号：US18386739
申请日：2023-11-03
发明人： Han LEE , Boum Seock KIM
CPC分类号： H01F27/306 , H01F5/04 , H01F27/292
摘要： A coil component includes a body, a support member disposed in the body, a first coil disposed on one surface of the support member, a second coil disposed on the other surface of the support member, a plurality of conductive vias connecting the first coil to the second coil, a first external electrode disposed on the body and connected to one end of the first coil, and a second external electrode disposed on the body and connected to one end of the second coil, wherein the first coil includes a plurality of first pads connected to the plurality of conductive vias and a first connection portion disposed between the plurality of first pads, and a line width of at least one of the plurality of first pads is greater than a line width of the first connection portion.
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