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1.发明申请DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR INCLUDING THE SAME 有权电介质陶瓷组合物和包括其的多层陶瓷电容器公开(公告)号：US20150062774A1
公开(公告)日：2015-03-05
申请号：US14095634
申请日：2013-12-03
发明人： Seok Hyun YOON , Dae Ho YOON , Suk Hyun SONG , Takaki MASAKI , Doo Young KIM , Sang Huk KIM , Jong Bong LIM
CPC分类号： H01G4/1227 , H01G4/30
摘要： There are provided a dielectric ceramic composition and a multilayer ceramic capacitor including the same. The dielectric ceramic composition according to embodiments of the present disclosure includes a base powder represented by xSrTiO3-(1−x)BiMO3 (M includes Mg and Ti) containing a first main component represented by SrTiO3 and a second main component represented by BiMO3, wherein x satisfies 0.5≦x≦0.9.
摘要翻译： 提供介电陶瓷组合物和包括该陶瓷组合物的多层陶瓷电容器。 根据本公开实施方案的电介质陶瓷组合物包括由包含由SrTiO 3表示的第一主要成分的xSrTiO 3 - （1-x）BiMO 3（M包括Mg和Ti）表示的基础粉末和由BiMO 3表示的第二主要成分，其中 x满足0.5＆nlE; x＆nlE; 0.9。
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公开(公告)号：US20230129325A1
公开(公告)日：2023-04-27
申请号：US17571753
申请日：2022-01-10
发明人： Hee Sun CHUN , Hui Sun PARK , Tae Hyung KIM , Jeong Wook SEO , Hyo Ju LEE , Hyeg Soon AN , Jin Woo KIM , Seok Hyun YOON
摘要： A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.
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公开(公告)号：US20210166881A1
公开(公告)日：2021-06-03
申请号：US16877902
申请日：2020-05-19
发明人： Dong Hun KIM , Hyun Min LEE , Jong Suk JEONG , Dong Geon YOO , Ji Hyun LEE , Seok Hyun YOON
摘要： A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of first and second internal electrodes disposed inside the ceramic body, exposed to the first and second surfaces, and having ends exposed to the third or fourth surface, and a first side margin portion and a second side margin portion disposed on side portions of the plurality of first and second internal electrodes exposed to the first and second surfaces. A ratio Db/Da satisfies 1.00 to 1.07, inclusive, where ‘Db’ is a distance, in a stacking direction of the dielectric layer, between both end points of respective edge regions of the first side margin portion and the second side margin portion, and ‘Da’ is a distance in a central region of the ceramic body in the stacking direction.
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公开(公告)号：US20190100465A1
公开(公告)日：2019-04-04
申请号：US16001684
申请日：2018-06-06
发明人： Seok Hyun YOON , Jung Deok PARK , Chan Hee NAM , Dong Hun KIM
IPC分类号： C04B35/468 , H01B3/12 , H01G4/12 , C04B35/49 , H01G4/30
摘要： A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 μm or less.
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公开(公告)号：US20170271082A1
公开(公告)日：2017-09-21
申请号：US15277646
申请日：2016-09-27
发明人： Seok Hyun YOON , Dong Hun KIM , Jung Deok PARK , Chan Hee NAM , Jung Wook SEO
CPC分类号： H01G4/30 , C01G23/006 , C01G25/02 , C01P2002/52 , C01P2002/54 , C01P2006/40 , H01G4/005 , H01G4/1227 , H01G4/1245 , H01G4/228
摘要： A multilayer ceramic capacitor includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on outer surfaces of the ceramic body, wherein the dielectric layer contains zirconium (Zr), a Zr content is 2×Zr/(Ba+Ca+Ti+Zr) based on an atomic ratio, a first crystal grain is composed of a core part having a Zr content of 3.0 at % or less and a shell part having a Zr content of 4.0 to 15.0 at %, and a number fraction of the first crystal grain to all crystal grains in the dielectric layer is 4% or more.
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6.发明申请DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR CONTAINING THE SAME 有权电介质陶瓷组合物和含有其的多层陶瓷电容器公开(公告)号：US20150299048A1
公开(公告)日：2015-10-22
申请号：US14340244
申请日：2014-07-24
发明人： Seok Hyun YOON , Song Je JEON , Soo Kyong JO , Doo Young KIM , Chang Hoon KIM
IPC分类号： C04B35/468 , H01G4/12 , H01G4/30
CPC分类号： C04B35/4682 , B32B18/00 , C04B2235/3208 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3234 , C04B2235/3239 , C04B2235/3241 , C04B2235/3248 , C04B2235/3272 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3418 , C04B2235/36 , C04B2235/442 , C04B2235/652 , C04B2235/6582 , C04B2235/663 , C04B2235/76 , C04B2235/80 , C04B2237/346 , C04B2237/68 , C04B2237/704 , H01G4/1227 , H01G4/30
摘要： A dielectric ceramic composition may include: a base powder represented by BaTiO3 and accessory components. In an XRD measurement of a dielectric material in which the base powder and the accessory components are sintered, when a (1, 1, 0) plane peak of a BaTiO3 crystal phase is converted into 1.00, a secondary phase peak of pyrochlore (RE2Ti2O7) (RE is a rare earth element) at about 30.5 degrees, as compared with the (1, 1, 0) plane peak, is 0.01 or less.
摘要翻译： 电介质陶瓷组合物可以包括：由BaTiO 3表示的基础粉末和辅助组分。 在其中烧结基础粉末和辅助组分的介电材料的XRD测量中，当BaTiO 3结晶相的（1,1,10）平面峰转化为1.00时，烧绿石（RE2Ti2O7）的二相峰， 与（1,1,10）平面峰相比，约30.5度（RE为稀土元素）为0.01以下。
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7.发明申请DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC ELECTRONIC COMPONENT INCLUDING THE SAME 有权介电组合物和包括其的多层陶瓷电子元件公开(公告)号：US20130250478A1
公开(公告)日：2013-09-26
申请号：US13842332
申请日：2013-03-15
发明人： Kyu Ree KIM , Seok Hyun YOON , Sun Ho YOON , Chang Hoon KIM
IPC分类号： C04B35/468 , H01G4/008
CPC分类号： C04B35/468 , C04B35/4682 , C04B2235/3206 , C04B2235/3208 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3229 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3244 , C04B2235/3262 , C04B2235/3267 , C04B2235/3272 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3418 , C04B2235/36 , C04B2235/442 , C04B2235/5445 , C04B2235/652 , C04B2235/6582 , C04B2235/663 , C04B2235/79 , H01G4/008 , H01G4/1227 , H01G4/30
摘要： There is provided a dielectric composition, including: a base powder including BamTiO3, where 0.995≦m≦1.010; a first subcomponent including 0.1 to 1.0 at % (x) of an oxide or carbonate containing at least one variable-valence acceptor element based on 100 moles of the base powder; a second subcomponent including 0.01 to 3.0 at % (y) of an oxide or carbonate containing at least one fixed valence acceptor element; a third subcomponent including an oxide or carbonate containing cerium (z) at % and at least one other rare-earth element (w) at %, where 0.01≦z≦x+4y and 0.01≦z+w≦x+4y; a fourth subcomponent including at least one of an oxide or carbonate containing at least one of Barium, Calcium, Aluminum, and Silicon and glass containing silicon; and a fifth subcomponent including 0.01 to 10.0 at % of an oxide containing zirconium.
摘要翻译： 提供了一种电介质组合物，其包括：包含BamTiO 3的基础粉末，其中0.995 @ m @ 1.010; 包含基于100摩尔基础粉末含有至少一种可变价电子受体元素的氧化物或碳酸酯的0.1至1.0原子％（x）的第一副成分; 包含含有至少一个固定价电子元素的氧化物或碳酸盐的0.01〜3.0at％（y）的第二副成分; 第三副成分包括含有％的铈（z）和至少一种其它稀土元素（w）％的氧化物或碳酸盐，其中0.01 @ z @ x + 4y和0.01 @ z + w @ x + 4y; 包含至少一种含有钡，钙，铝和硅中的至少一种的氧化物或碳酸盐和含有硅的玻璃中的至少一种的第四副成分; 和含有锆的氧化物的0.01〜10.0at％的第五副成分。
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8.发明申请公开(公告)号：US20130194715A1
公开(公告)日：2013-08-01
申请号：US13727420
申请日：2012-12-26
发明人： Hyo Jung KIM , Seok Hyun YOON , Chang Hoon KIM , Byoung Hwa LEE , Sang Hoon KWON
CPC分类号： H01G4/30 , H01G4/008 , H01G4/12 , H01G4/1218 , H01G13/003 , Y10T156/10
摘要： There are provided a multilayer ceramic electronic component and a method of manufacturing the same. Here, an average diameter (Dc) of ceramic grains in a cover area is smaller than an average diameter (Da) of ceramic grains in the active area, and when a thickness of the cover area is expressed by Tc, 9 um≦Tc≦25 um and Tc/Dc≧55 are satisfied. A multilayer ceramic capacitor having excellent moisture-resistance properties may be obtained.
摘要翻译： 提供了一种多层陶瓷电子部件及其制造方法。 这里，覆盖区域中的陶瓷晶粒的平均直径（Dc）小于有源区域中的陶瓷晶粒的平均直径（Da），并且当覆盖面积的厚度由Tc表示时，9μm@ Tc @ 25um和Tc / Dc> = 55。 可以获得具有优异的耐湿性的多层陶瓷电容器。
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9.发明公开公开(公告)号：US20230343517A1
公开(公告)日：2023-10-26
申请号：US18214856
申请日：2023-06-27
发明人： Seok Hyun YOON , Chan Hee NAM , Song Je JEON , Chang Hak CHOI
IPC分类号： H01G4/12
CPC分类号： H01G4/1227 , H01G4/30
摘要： A dielectric ceramic composition includes a base material main component of barium titanate and a subcomponent. A microstructure of the dielectric ceramic composition after sintering includes a first grain having a Ca content of less than 3.5 at % and a second grain having a Ca content of 3.5 to 13.5 at %, and an area ratio of the second grain to an area of the total grains is 70% to 95%.
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10.发明公开公开(公告)号：US20230335338A1
公开(公告)日：2023-10-19
申请号：US17899983
申请日：2022-08-31
发明人： Hyeg Soon AN , Hui Sun PARK , Jeong Wook SEO , Tae Hyung KIM , Hee Sun CHUN , Hyo Ju LEE , Jin Woo KIM , Seok Hyun YOON
CPC分类号： H01G4/1227 , H01G4/30
摘要： A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer, and an external electrode disposed on the body. The dielectric layer includes a BaTiO3-based base material main ingredient, a sub-ingredient including Dy, and an additive. The additive is one or more of Sm, Gd and Tb, and a content of the additive is 25 mol or more and less than 50 mol relative to 100 mol of Dy. The dielectric layer includes a plurality of dielectric grains. When an average grain size of the plurality of dielectric grains is represented by G, and an average thickness of the dielectric layer is represented by td, 1.75≤td/G≤2.23 is satisfied.
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