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公开(公告)号：US11721486B2
公开(公告)日：2023-08-08
申请号：US16838592
申请日：2020-04-02
发明人： Eun Hee Jeong , Min Hyang Kim , Dong Yeong Kim , Chae Min Park
CPC分类号： H01G4/30 , H01G4/012 , H01G4/1227 , H01G4/248
摘要： A multilayer ceramic electronic component includes a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes with the dielectric layer interposed therebetween; and first and second external electrodes disposed on the first and second surfaces of the ceramic body, respectively, and including first and second base electrodes connected to the first and second internal electrodes and first and second conductive layers disposed to cover the first and second base electrodes. When a thickness of the first and second conductive layers in a central portion of the first and second surfaces of the ceramic body is ‘a’, and a thickness of the first and second conductive layers at an end of the capacitance formation portion is ‘b’, ‘b/a’ is 0.07 or more.
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公开(公告)号：US10395839B1
公开(公告)日：2019-08-27
申请号：US16253705
申请日：2019-01-22
发明人： Chae Min Park , Ki Won Kim , Ji Hee Moon , Dong Hwi Shin , Sang Soo Park , Woo Chul Shin
摘要： A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes, first and second external electrodes disposed on first and second external surfaces of the ceramic body, respectively, the first and second external electrodes each including first and second base electrode layers having at least a portion in contact with first and second external surfaces of the ceramic body, respectively, and first and second plating layers, and a water repellent layer including a portion disposed to cover a gap between the ceramic body and the first and second plating layers, having a first thickness and a portion disposed to cover a surface of the ceramic body, to having a second thickness, smaller than the first thickness.
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公开(公告)号：US11651900B2
公开(公告)日：2023-05-16
申请号：US16834243
申请日：2020-03-30
发明人： Chae Min Park , Ji Hong Jo , Woong Shin , Jae Hyun Lee , Hyun Woo Seung , Woo Chui Shin
IPC分类号： H01G4/30 , H01G4/012 , H01G4/12 , H01G2/02 , C04B35/468
CPC分类号： H01G4/30 , C04B35/468 , H01G2/02 , H01G4/012 , H01G4/1218 , C04B2235/3225
摘要： A multilayer electronic component includes a body including dielectric layers and first and second internal electrodes alternately laminated with respective dielectric layers interposed therebetween, and first and second surfaces opposing each other in a direction by which the internal electrodes are laminated, third and fourth surfaces connected to the first and second surfaces and opposing each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a moisture-proof layer disposed on at least one surface of anyone of the first, second, fifth, or sixth surface and containing a rare-earth oxide; a first external electrode disposed on the third surface and connected to the first internal electrodes; and a second external electrode disposed on the fourth surface and connected to the second internal electrodes.
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公开(公告)号：US10600571B1
公开(公告)日：2020-03-24
申请号：US16257623
申请日：2019-01-25
发明人： Ji Hee Moon , Chae Min Park , Ji Hea Kim , Ki Won Kim , Han Eol Cho , Yu Bi Han
摘要： A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes alternately laminated with the respective dielectric layers disposed therebetween, and first and second external electrodes disposed on first and second external surfaces of the ceramic body to be connected to corresponding internal electrodes, respectively. A longest distance from the first external electrode to the second external electrode is denoted by La, a shortest distance from the first external electrode to the second external electrode is denoted by Lb, and Lb/La is greater than zero to 0.6 or less.
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公开(公告)号：US10395840B1
公开(公告)日：2019-08-27
申请号：US16257642
申请日：2019-01-25
发明人： Chae Min Park , Ki Won Kim , Ji Hee Moon , Dong Hwi Shin , Sang Soo Park , Woo Chul Shin
摘要： A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes alternately laminated with respective dielectric layers disposed therebetween, first and second external electrodes disposed on first and second external surfaces of the ceramic body, respectively, the first and second external electrodes each including first and second base electrode layers having at least a portion in contact with first and second external surfaces of the ceramic body, respectively, and first and second plating layers disposed to cover the first and second base electrode layers, respectively, and a water repellent layer disposed to cover both external side surfaces of the first and second plating layers and a surface of the ceramic body.
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公开(公告)号：US20240312717A1
公开(公告)日：2024-09-19
申请号：US18415009
申请日：2024-01-17
发明人： Youngjun Cha , Chae Min Park , Seonho Kim , Yong-Won Seo
摘要： A multilayer ceramic capacitor includes a ceramic body, a plurality of first and second internal electrodes having a dielectric layer therebetween in the ceramic body, first and second external electrodes including a body portion covering both end surfaces spaced apart from each other along a length direction of the ceramic body, respectively, a first band portion extending from the body portion and covering a part of a first surface of the ceramic body in a thickness direction, and a second band portion covering a part of a second surface facing the first surface and being longer than the first band portion, first and second cover layers that are disposed in the ceramic body along the thickness direction of the ceramic body, and a first cladding layer between the second cover layer, the second band portion of the first external electrode, and the second band portion of the second external electrode.
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公开(公告)号：US20240290540A1
公开(公告)日：2024-08-29
申请号：US18437561
申请日：2024-02-09
发明人： Hyung Duk Yun , Byung Jun Jeon , Chae Min Park , Yong Won Seo , Ho In Jun , A Ra Cho
CPC分类号： H01G4/0085 , H01G4/2325 , H01G4/30
摘要： Provided is a multilayer electronic component according to an example embodiment of the present disclosure including: a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer in a first direction, and including Ni; and an external electrode disposed on the body and connected to the internal electrode, wherein the external electrode includes a base electrode layer including Ni and Pd, and the internal electrode includes a first region, and a content of Pd included in the first region is greater than a content of Pd included in a remaining region, excluding the first region in the internal electrode.
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公开(公告)号：US12002629B2
公开(公告)日：2024-06-04
申请号：US17856452
申请日：2022-07-01
发明人： Chae Min Park
摘要： A multilayer electronic component includes a body including a dielectric layer and an internal electrode, an external electrode disposed outside the body, and sealing portions disposed on outer surfaces of the body, wherein the external electrodes and the sealing portions include glass, the sealing portions include first sealing portions that are disposed between the body and the external electrodes, and second sealing portions that extend from the first sealing portions in the second direction and are not in contact with the external electrodes, and an average length of the second sealing portion is 20 μm or more.
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公开(公告)号：US11227724B2
公开(公告)日：2022-01-18
申请号：US16545534
申请日：2019-08-20
发明人： Jin Sung Chun , Hyo Kyong Seo , Hae Suk Chung , Chae Min Park , Byung Sung Kang
摘要： A method of manufacturing a multilayer ceramic capacitor includes forming a water-repellent coating layer on surfaces of a multilayer ceramic capacitor having an internal electrode, a dielectric layer, and an external electrode; and removing at least a portion of the water-repellent coating layer formed on the surfaces of the external electrode such that another portion of the water-repellent coating layer remains on surfaces of the dielectric layer. The external electrode has first and second surfaces opposing each other in a thickness direction, third and fourth surfaces opposing each other in a width direction, and fifth and sixth surfaces opposing each other in a length direction.
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公开(公告)号：US20240304386A1
公开(公告)日：2024-09-12
申请号：US18585603
申请日：2024-02-23
发明人： Seonho Kim , Chae Min Park , Yong-Won Seo , Youngjun Cha
CPC分类号： H01G4/012 , H01G4/2325 , H01G4/30
摘要： A multilayer ceramic capacitor includes: a ceramic body; external electrodes each including a connection portion covering a part of an end surface of the ceramic body in a length direction, and a band portion extending from the connection portion and covering a part of both side surfaces of the ceramic body in a width direction and a part of one surface in a thickness direction; a plurality of internal electrodes stacked within the ceramic body with a dielectric layer interposed therebetween and alternately connected to the external electrodes, respectively; cover layers respectively disposed outside the plurality of internal electrodes along the thickness direction within the ceramic body; and a dummy electrode disposed within the first cover layer, wherein the first cover layer includes an exposed surface, which is a portion of the end surface exposed by the connection portion.
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