公开(公告)号：US20190228912A1

公开(公告)日：2019-07-25

申请号：US16374000

申请日：2019-04-03

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seung Ho LEE ,  Jae Yeol CHOI ,  Ki Pyo HONG ,  Beom Seock OH

IPC: H01G4/30 ,  H01G4/232 ,  H01G4/012

Abstract: A multilayer ceramic electronic component includes a ceramic body contributing to capacitance formation and including an active region formed by alternately stacking dielectric layers and first and second internal electrodes and, and a protective layer provided on at least one of upper and lower surfaces of the active region; and first and second external electrodes formed on respective ends of the ceramic body, wherein a step portion absorption layer is disposed in at least one of: both end portions of the ceramic body in a length direction or both end portions of the ceramic body in a width direction, and a total thickness of dielectric layers disposed on the same plane as the step portion absorption layer is greater than a thickness of a dielectric layer disposed in another region.

公开(公告)号：US20170190626A1

公开(公告)日：2017-07-06

申请号：US15284577

申请日：2016-10-04

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seok Hyun YOON ,  Seung Ho LEE ,  Jung Wook SEO ,  Song Je JEON

IPC: C04B35/468 ,  H01G4/30 ,  H01G4/12

CPC classification number: C04B35/4686 ,  C04B35/4682 ,  C04B2235/3206 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3267 ,  C04B2235/3272 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3418 ,  C04B2235/36 ,  C04B2235/5445 ,  C04B2235/6582 ,  C04B2235/79 ,  C04B2235/80 ,  H01G4/1227 ,  H01G4/30

Abstract: A dielectric ceramic composition contains a first main ingredient of BaTiO3 and a second main ingredient of BaTi2O5, and a base material powder containing the first and second main ingredients is represented by (1-x)BaTiO3-xBaTi2O5 and x satisfies 0.1≦x≦0.8. The dielectric ceramic composition may include additional accessory ingredients, and may be used to form ceramic sheets having internal electrodes of a multilayer ceramic capacitor disposed thereon.

公开(公告)号：US20150027764A1

公开(公告)日：2015-01-29

申请号：US14067835

申请日：2013-10-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seung Ho LEE ,  Jong Han KIM ,  Min Gon LEE ,  Yoon Hee LEE

IPC: H01G4/30 ,  H05K1/18

CPC classification number: H01G4/30 ,  H01G4/0085 ,  H01G4/012 ,  H01G4/12 ,  H01G4/1227 ,  H05K3/3442 ,  H05K2201/10015 ,  H05K2201/10636 ,  Y02P70/611 ,  Y10T29/435

Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body including dielectric layers; and a plurality of internal electrodes disposed within the ceramic body, having the dielectric layer interposed therebetween, wherein, on a cross section of the ceramic body in a width-thickness direction thereof, when a distance between an uppermost internal electrode and a lowermost internal electrode measured at centers thereof in a width direction thereof is defined as a and a distance between the uppermost internal electrode and the lowermost internal electrode measured at edges thereof in the width direction thereof is defined as b, 0.953≦a/b≦0.996 is satisfied.

Abstract translation: 提供了一种多层陶瓷电容器，其包括：包括电介质层的陶瓷体; 以及设置在所述陶瓷体内的多个内部电极，其间插入有所述电介质层，其中，在所述陶瓷体的宽度方向的截面上，当所述陶瓷体的最内侧的内部电极和最下层的内部电极之间的距离 定义为在其宽度方向的中心处测量的最大内部电极和最内部电极之间的距离，其边缘处的宽度方向上测量的距离定义为b，满足0.953＆nlE; a / b＆nlE; 0.996 。

公开(公告)号：US20140311782A1

公开(公告)日：2014-10-23

申请号：US13924434

申请日：2013-06-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Min Gon LEE ,  Dae Bok OH ,  Jong Han KIM ,  Seung Ho LEE

IPC: H01G4/30 ,  H05K1/18

CPC classification number: H01G4/30 ,  H01G4/12 ,  H05K1/181 ,  Y10T29/43

Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers stacked in a thickness direction and satisfying T/W>1.0 when a width thereof is W and a thickness thereof is T; first and second internal electrodes; and first and second external electrodes, wherein when the ceramic body is divided into five regions in a width direction and a central region among the five regions is CW1 and regions adjacent to the central region CW1 are CW2 and CW3, a difference between electrode connectivity of the central region CW1 and electrode connectivity of the region CW2 or CW3 satisfies 0.02≦(CW2 or CW3)−CW1≦0.10.

Abstract translation: 多层陶瓷电子部件包括陶瓷体，该陶瓷体的宽度为W，厚度为T时，在厚度方向上层叠电介质层且满足T / W> 1.0的陶瓷体; 第一和第二内部电极; 以及第一外部电极和第二外部电极，其中当陶瓷体在宽度方向上被分成五个区域并且五个区域中的中心区域是CW1，并且与中心区域CW1相邻的区域是CW2和CW3时，电极连接性之间的差异 区域CW2或CW3的中心区域CW1和电极连通性满足0.02＆nlE;（CW2或CW3）-CW1＆nlE; 0.10。

公开(公告)号：US20170169947A1

公开(公告)日：2017-06-15

申请号：US15202145

申请日：2016-07-05

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kyoung Jin CHA ,  Seung Ho LEE ,  Seung Heui LEE ,  Min Gon LEE

IPC: H01G4/018 ,  H01G4/12 ,  H01G4/008 ,  H01G4/30

CPC classification number: H01G4/018 ,  H01G4/008 ,  H01G4/012 ,  H01G4/12 ,  H01G4/1227 ,  H01G4/30 ,  H01G4/308

Abstract: A capacitor includes a body including a plurality of dielectric layers and internal electrodes which are alternately stacked, and a compensation region formed in the interior of the body, the compensation region including portions of the plurality of dielectric layers and including a central portion and an end portion extended from the central portion. A thickness of the central portion of the compensation region is between 4 and 13 times as great as that of a dielectric layer among the plurality of dielectric layers on which the internal electrodes are formed.

公开(公告)号：US20150380159A1

公开(公告)日：2015-12-31

申请号：US14527430

申请日：2014-10-29

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seung Ho LEE ,  Jong Han KIM ,  Min Gon LEE ,  Yoon Hee LEE ,  Sung Hwan LEE

IPC: H01G4/005 ,  H01G4/30 ,  H01G4/12

CPC classification number: H01G4/30 ,  H01G4/012 ,  H01G4/12

Abstract: A multilayer ceramic electronic component may include a ceramic body including a plurality of dielectric layers, and internal electrodes disposed on the dielectric layer and having an unevenness portion on at least one surface thereof. The unevenness portion includes a plurality of convex portions and a plurality of concave portions alternately disposed, and the convex and concave portions may be formed to extend in a first direction, respectively.

Abstract translation: 多层陶瓷电子部件可以包括包括多个电介质层的陶瓷体，以及设置在电介质层上并在其至少一个表面上具有凹凸部的内部电极。 凹凸部包括多个凸部和交替配置的多个凹部，凸部和凹部分别形成为沿第一方向延伸。

公开(公告)号：US20150200054A1

公开(公告)日：2015-07-16

申请号：US14262162

申请日：2014-04-25

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Min Gon LEE ,  Jong Han KIM ,  Seung Ho LEE

IPC: H01G4/12 ,  H01G4/30 ,  H01G4/012 ,  H05K1/18

CPC classification number: H01G4/12 ,  H01G4/012 ,  H01G4/30 ,  H05K3/3442 ,  H05K2201/10015 ,  H05K2201/2045 ,  Y02P70/613 ,  Y10T29/435

Abstract: A multilayer ceramic capacitor may include a ceramic body having a plurality of dielectric layers stacked therein; an active part including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body; upper and lower cover layers; and first and second external electrodes covering both end surfaces of the ceramic body. When a thickness of the upper or lower cover layer is defined as C, a margin between the active part and a side surface of the ceramic body in a width direction is defined as M, a cross-sectional area of the ceramic body in a width-thickness direction is defined as Ac, and a cross-sectional area of the active part in the width-thickness direction, in which the internal electrodes are overlapped in a thickness direction, is defined as Aa, 1.826≦C/M≦4.686, and 0.2142≦Aa/Ac≦0.4911.

Abstract translation: 多层陶瓷电容器可以包括具有堆叠在其中的多个电介质层的陶瓷体; 活性部分，包括通过陶瓷体的两个端面交替暴露的多个第一和第二内部电极; 上下盖层; 以及覆盖陶瓷体两端面的第一和第二外部电极。 当上盖层或下覆盖层的厚度定义为C时，陶瓷体的宽度方向上的活性部分和侧表面之间的边界被定义为M，陶瓷体的宽度的横截面积 厚度方向被定义为Ac，并且内部电极在厚度方向上重叠的宽度 - 厚度方向上的有源部分的横截面面积被定义为Aa，1.826＆nlE; C / M＆nlE; 4.686 ，和0.2142＆amp; NlE; Aa / Ac＆nlE; 0.4911。

公开(公告)号：US20150022941A1

公开(公告)日：2015-01-22

申请号：US14061744

申请日：2013-10-23

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Su Hwan CHO ,  Jong Han KIM ,  Seung Ho LEE ,  Jae Yeol CHOI

IPC: H01G4/005 ,  H01G4/30

CPC classification number: H01G4/005 ,  H01G4/012 ,  H01G4/06 ,  H01G4/30 ,  H05K1/181 ,  Y10T29/435

Abstract: There is provided a multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and an internal electrode formed in the ceramic body, wherein on a cross-section of the ceramic body in a width-thickness direction, a thickness Te of the internal electrode satisfies 0.1 μm≦Te≦1.0 μm, and when the internal electrode is divided into three regions including a central region and both edge regions in a width direction of the ceramic body and a ratio of an actual total length of the internal electrode corresponding to the sum of lengths of electrode portions to an ideal total length of the internal electrode is defined as connectivity S of the internal electrode, connectivity of the internal electrode in the edge regions satisfies 75%≦S≦98%, and a ratio of connectivity of the internal electrode in the edge regions to connectivity of the internal electrode in the central region is 0.9 to 0.98.

Abstract translation: 提供了一种多层陶瓷电子部件，包括：包含电介质层的陶瓷体; 以及形成在所述陶瓷体中的内部电极，其中，在所述陶瓷体的宽度方向的截面上，所述内部电极的厚度Te满足0.1μm＆lt; 1lE; Te＆nlE;1.0μm，并且当所述内部电极被分割时 在陶瓷体的宽度方向上包括中心区域和两个边缘区域的三个区域，并且与电极部分的长度之和相对应的内部电极的实际总长度与内部电极的理想总长度之比为 定义为内部电极的连通性，边缘区域中的内部电极的连通性满足75％＆lt; NlE; S＆nlE; 98％，并且边缘区域中的内部电极与中心内部电极的连通性的连接性 区域为0.9〜0.98。

公开(公告)号：US20140355176A1

公开(公告)日：2014-12-04

申请号：US13974759

申请日：2013-08-23

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Min Gon LEE ,  Seung Ho LEE ,  Jong Han KIM ,  Yoon Hee LEE ,  Sung Hwan LEE

IPC: H01G4/012 ,  H01G4/12

CPC classification number: H01G4/012 ,  H01G4/0085 ,  H01G4/12 ,  H01G4/30

Abstract: There is provided a multilayer ceramic electronic component including a ceramic body including dielectric layers, and first and second internal electrodes formed within the ceramic body and disposed to face each other having the respective dielectric layers interposed therebetween, wherein in a cross-section of the ceramic body in a length-thickness (L-T) direction, when an area of non-electrode regions in cover part internal electrodes among the first and second internal electrodes is defined as Acover and an area of non-electrode regions in center part internal electrodes among the first and second internal electrodes is defined as Acenter, a ratio of Acenter to Acover satisfies 0.33≦Acenter/Acover≦0.95.

Abstract translation: 提供了一种多层陶瓷电子部件，其包括：包含电介质层的陶瓷体，以及形成在陶瓷体内并且彼此相对设置的第一和第二内部电极，所述第一和第二内部电极具有介于其间的各个电介质层，其中，在陶瓷的横截面中 在第一和第二内部电极中的覆盖部分内部电极中的非电极区域的面积被定义为Acover和中心部分内部电极中的非电极区域的面积之间的长度（LT）方向上的主体 第一和第二内部电极被定义为Acenter，Acenter与Acover的比率满足0.33＆amp; NlE; Acenter / Acover＆amp; NlE; 0.95。

公开(公告)号：US20140326493A1

公开(公告)日：2014-11-06

申请号：US13950963

申请日：2013-07-25

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seung Ho LEE ,  Dae Bok OH ,  Jong Han KIM ,  Su Hwan CHO ,  Min Gon LEE ,  Wi Heon KIM

IPC: H01G4/01 ,  H05K1/18 ,  H01G4/30

CPC classification number: H01G4/01 ,  H01G4/005 ,  H01G4/12 ,  H01G4/232 ,  H01G4/30 ,  H05K1/0306 ,  H05K1/181

Abstract: A multilayer ceramic electronic component includes: a ceramic body including a recess portion formed in a length direction of at least one main surface thereof so as to be inwardly concave and satisfying T (thickness)/W (width)>1.0; first and second internal electrodes disposed to face each other in the ceramic body; and first and second external electrodes extended from the end surfaces of the ceramic body to the at least one main surface, wherein when the ceramic body is divided into an upper region At, corresponding to 70% to 90% of an overall thickness of the ceramic body, and a lower region Ab, corresponding to 10% to 30% of the overall thickness of the ceramic body, a ratio of an average particle size of Ab materials to an average particle size of At materials is less than 0.5.

Abstract translation: 多层陶瓷电子部件包括：陶瓷体，其包括在其至少一个主表面的长度方向上形成的凹部，以便向内凹入并满足T（厚度）/ W（宽度）> 1.0; 在陶瓷体中彼此相对设置的第一和第二内部电极; 以及从所述陶瓷体的端面向所述至少一个主面延伸的第一外部电极和第二外部电极，其中，当所述陶瓷体分为上部区域At时，相当于所述陶瓷的整体厚度的70％〜90％ 本体和下部区域Ab相对于陶瓷体的总体厚度的10〜30％，Ab材料的平均粒径与At材料的平均粒径的比例小于0.5。