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公开(公告)号：US11830663B2
公开(公告)日：2023-11-28
申请号：US16989091
申请日：2020-08-10
发明人： Byung Soo Kang , Byeong Cheol Moon , Ju Hwan Yang , Yoon Mi Cha , Tai Yon Cho , Tae Jun Choi
IPC分类号： H01F5/00 , H01F27/29 , H01F41/12 , H01F27/32 , H01F27/255
CPC分类号： H01F27/29 , H01F27/255 , H01F27/32 , H01F41/12
摘要： A coil component includes a body having one surface and the other surface, opposing each other, and wall surfaces, and including a metal magnetic powder particle and an insulating resin; a coil portion disposed in the body and including first and second lead-out portions exposed from the one surface of the body to be spaced apart from each other; first and second external electrodes arranged on the one surface of the body to be spaced apart from each other and respectively connected to the first and second lead-out portions; a cover insulating layer covering the other surface of the body and extending to at least portion of each of the wall surfaces of the body; and an oxide insulating film disposed on a surface of the metal magnetic powder particle exposed from the one surface of the body and including metal ions of the metal magnetic powder particle.
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公开(公告)号：US11830653B2
公开(公告)日：2023-11-28
申请号：US16529531
申请日：2019-08-01
发明人： Ju Hwan Yang , Byung Soo Kang , Yoon Mi Cha , Byeong Cheol Moon
CPC分类号： H01F27/2804 , H01F27/255 , H01F27/29 , H01F27/323 , H01F41/041 , H01F41/122 , H01F2027/2809
摘要： A coil electronic component includes a body having a first surface and a second surface opposing each other and a third and a fourth surface opposing each other, an insulating substrate disposed inside the body, first and second coil portions respectively disposed on opposing surfaces of the insulating substrate, a first lead-out portion connected the first coil portion and exposed from the first and third surfaces, a second lead-out portion connected to the second coil portion and exposed from the second and third surfaces, and first and second external electrodes respectively covering the first and second lead-out portions. The insulating substrate includes a support portion supporting the first and second coil portions, a first tip exposed from the first and third surfaces and supporting the first lead-out portion, and a second tip exposed from the second and third surfaces and supporting the second lead-out portion.
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公开(公告)号：US20220199316A1
公开(公告)日：2022-06-23
申请号：US17209458
申请日：2021-03-23
发明人： Yong Hui Li , Byung Soo Kang , Ju Hwan Yang , Seung Min Lee , Yoon Mi Cha , Boum Seock Kim , Byeong Cheol Moon
摘要： A coil component is disposed. The coil component according to an aspect of the present disclosure includes: a body; a coil portion disposed in the body; an external electrode portion including a first metal layer disposed on the body, and connected to the coil portion; and a surface insulating layer disposed on the body to cover a first region of the first metal layer and open a second region of the first metal layer. Surface roughness of an interface of the first region of the first metal layer with the surface insulating layer is higher than surface roughness of an outer surface of the second region of the first metal layer.
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公开(公告)号：US11837388B2
公开(公告)日：2023-12-05
申请号：US16573319
申请日：2019-09-17
发明人： Byung Soo Kang , Ju Hwan Yang , Byeong Cheol Moon , Yoon Mi Cha , Mi Geum Kim
IPC分类号： H01F27/28 , H01F27/29 , H01F41/04 , H01F41/12 , H01F27/255
CPC分类号： H01F27/2804 , H01F27/255 , H01F27/29 , H01F41/041 , H01F41/122 , H01F2027/2809
摘要： A coil component includes a body including magnetic metal powder particles and an insulating resin; a coil portion embedded in the body; and first and second external electrodes respectively disposed on the body to be spaced apart from each other and respectively connected to both end portions of the coil portion. A magnetic metal powder particle exposed from a surface of the body, among the magnetic metal powder particles, has a plating prevention film formed on at least a portion of a surface thereof and containing metal ions of the exposed magnetic metal powder particle.
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公开(公告)号：US20200152370A1
公开(公告)日：2020-05-14
申请号：US16573319
申请日：2019-09-17
发明人： Byung Soo Kang , Ju Hwan Yang , Byeong Cheol Moon , Yoon Mi Cha , Mi Geum Kim
IPC分类号： H01F27/28 , H01F27/29 , H01F27/255 , H01F41/04 , H01F41/12
摘要： A coil component includes a body including magnetic metal powder particles and an insulating resin; a coil portion embedded in the body; and first and second external electrodes respectively disposed on the body to be spaced apart from each other and respectively connected to both end portions of the coil portion. A magnetic metal powder particle exposed from a surface of the body, among the magnetic metal powder particles, has a plating prevention film formed on at least a portion of a surface thereof and containing metal ions of the exposed magnetic metal powder particle.
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公开(公告)号：US12073969B2
公开(公告)日：2024-08-27
申请号：US17168067
申请日：2021-02-04
发明人： Yoon Mi Cha , Ju Hwan Yang , Byung Soo Kang , Yong Hui Li , Boum Seock Kim
CPC分类号： H01F17/0013 , H01F27/022 , H01F27/292 , H01F27/32 , H01F2027/2809
摘要： A coil component includes: a body having first and second surfaces opposed in a length direction, third and fourth surfaces opposed in a width direction, and fifth and sixth surfaces opposed in a thickness direction; a coil portion disposed inside the body; a first insulating layer covering a portion of each of the fifth surface of the body and the sixth surface of the body; a second insulating layer covering a portion of the third surface of the body and the fourth surface of the body; a first external electrode disposed on the first surface of the body; and a second external electrode disposed on the second surface of the body.
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公开(公告)号：US11562847B2
公开(公告)日：2023-01-24
申请号：US16774669
申请日：2020-01-28
发明人： Byung Soo Kang , Yoon Mi Cha , Ju Hwan Yang , Yong Hui Li , Seo Eun Kim , Byeong Cheol Moon
摘要： A coil component includes a body; a support substrate embedded in the body; a coil portion disposed on the support substrate, and having an end portion exposed to a surface of the body; and an external electrode disposed on the surface of the body, and in contact with and connected to the end portion of the coil portion. An interface between the end portion of the coil portion and the external electrode, and an interface between the surface of the body and the external electrode are located on levels different from each other.
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公开(公告)号：US20220157510A1
公开(公告)日：2022-05-19
申请号：US17164037
申请日：2021-02-01
发明人： Ju Hwan Yang , Seung Mo Lim , Tae Jun Choi , Byung Soo Kang , Yong Hui Li , Tai Yon Cho , No Il Park , Yoon Mi Cha , Boum Seock Kim , Seung Min Lee
摘要： A coil component includes a body having one surface and the other surface, opposing each other, both lateral surfaces respectively connecting the one surface and the other surface and opposing each other, and both end surfaces respectively connecting the both lateral surfaces and opposing each other; a coil unit disposed in the body; a first external electrode and a second external electrode, respectively connected to the coil unit and disposed to be spaced apart from each other on the one surface of the body; and a first insulating layer covering the other surface of the body, the both lateral surfaces of the body, and the both end surfaces of the body.
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公开(公告)号：US11017931B2
公开(公告)日：2021-05-25
申请号：US16158701
申请日：2018-10-12
发明人： Byung Soo Kang , Yong Hui Li , Byeong Cheol Moon , Yoon Mi Cha , Eun Jin Kim
IPC分类号： H01F5/00 , H01F17/00 , H01F17/04 , H01F3/10 , H01F27/29 , H01F1/14 , H01F27/02 , H01F27/255 , H01F41/04 , H01F27/36
摘要： A coil component includes a body, a coil part embedded in the body, and an insulating layer covering the body. First and second plating electrodes are disposed between the body and the insulating layer, are connected to the coil part, and are disposed to be spaced apart from each other on one surface of the body. First and second through electrodes penetrate through the insulating layer to thereby be connected to the first and second plating electrodes, respectively.
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公开(公告)号：US11756720B2
公开(公告)日：2023-09-12
申请号：US16834274
申请日：2020-03-30
发明人： Seung Min Lee , Ju Hwan Yang , Yoon Mi Cha
CPC分类号： H01F27/2804 , H01F17/0006 , H01F27/24 , H01F27/2828 , H01F27/292 , H01F27/306 , H01F27/327 , H01F2017/002 , H01F2027/2809
摘要： A coil component includes a coil portion embedded in a body, first and second lead-out portions connection to both end of the coil portion, respectively, and exposed from one surface of the body to be spaced apart from each other, and a support substrate supporting the coil portion and the first and second lead-out portions, and exposed from the one surface of the body. Each of the first and second lead-out portions includes a lead-out pattern and an auxiliary lead-out pattern disposed on one surface and the other surface of the support substrate, opposing each other, and exposed from the one surface of the body, respectively, and a connection via penetrating through the support substrate to connect the lead-out pattern and the auxiliary lead-out pattern to each other, and exposed from the one surface of the body.
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