公开(公告)号：US10515760B1

公开(公告)日：2019-12-24

申请号：US16158847

申请日：2018-10-12

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park

IPC: H01G4/12 ,  H01G4/30 ,  H01G4/005 ,  C04B35/49 ,  C04B35/626 ,  C01G23/00

Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrode, respectively, wherein the dielectric layer includes dielectric grains having a core-shell structure including a core and a shell, and a domain wall is disposed in the shell.

公开(公告)号：US09875847B2

公开(公告)日：2018-01-23

申请号：US15003597

申请日：2016-01-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Min Gi Sin ,  Kum Jin Park ,  Jong Hoon Yoo ,  Chi Hwa Lee ,  Chang Hak Choi

IPC: H01G4/06 ,  H01G4/30 ,  H01G4/232 ,  H01G4/008 ,  H01G4/12 ,  C03C10/12 ,  C04B35/00

CPC classification number: H01G4/0085 ,  H01G4/12 ,  H01G4/1227 ,  H01G4/30

Abstract: A multilayer ceramic electronic component includes a plurality of dielectric layers; and internal electrodes disposed on the dielectric layers and containing an additive. The additive contains lithium (Li) and a dielectric material.

公开(公告)号：US09842696B2

公开(公告)日：2017-12-12

申请号：US14153924

申请日：2014-01-13

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park ,  Chang Hak Choi ,  Sang Min Youn ,  Kwang Hee Nam ,  Ki Myoung Yun ,  Hyung Joon Jeon ,  Jong Hoon Yoo

IPC: H01B1/08 ,  H01G4/12 ,  H01B3/12 ,  C04B35/468 ,  C04B35/49 ,  C04B35/626 ,  C04B35/628 ,  C04B35/632 ,  H01G4/008 ,  H01G4/30 ,  H01L41/297

CPC classification number: H01G4/1227 ,  C04B35/4682 ,  C04B35/49 ,  C04B35/6268 ,  C04B35/6281 ,  C04B35/632 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3236 ,  C04B2235/441 ,  C04B2235/442 ,  C04B2235/5409 ,  C04B2235/5454 ,  H01B3/12 ,  H01G4/0085 ,  H01G4/30 ,  H01L41/297

Abstract: There are provided a composite perovskite powder, a preparation method thereof, and a paste composition for an internal electrode having the same, the composite perovskite powder capable of preventing ions from being eluted from an aqueous system at the time of synthesis while being ultra-atomized, such that when the composite perovskite powder is used as an inhibitor powder for an internal electrode, sintering properties of the internal electrode may be deteriorated, and sintering properties of a dielectric material may be increased; accordingly, connectivity of the internal electrode may be improved, and permittivity and reliability of a multilayer ceramic capacitor (MLCC) may be increased.

公开(公告)号：US10607776B2

公开(公告)日：2020-03-31

申请号：US15071803

申请日：2016-03-16

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park ,  Chang Hak Choi ,  Jong Hoon Yoo ,  Doo Young Kim ,  Min Gi Sin ,  Chi Hwa Lee ,  Chul Seung Lee ,  Jong Han Kim

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

Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.

公开(公告)号：US10269492B2

公开(公告)日：2019-04-23

申请号：US14799461

申请日：2015-07-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park ,  Chang Hak Choi ,  Chi Hwa Lee ,  Min Gi Sin ,  Woo Sup Kim ,  Jong Hoon Yoo

IPC: H01G4/008 ,  H01G4/12 ,  H01G4/30 ,  C04B35/468

Abstract: A multilayer ceramic electronic component and a method of manufacturing the same are provided. The multilayer ceramic electronic component includes: a ceramic body including dielectric layers; and internal electrodes disposed on the dielectric layers within the ceramic body and containing a ceramic material trapped therein. The ceramic material is a dielectric material doped with an additive.

公开(公告)号：US10312021B2

公开(公告)日：2019-06-04

申请号：US15676481

申请日：2017-08-14

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY

Inventor： Kum Jin Park ,  Chang Yeon Baek ,  Ji Eun Wang ,  Do Kyung Kim

IPC: H01G4/30 ,  H01G4/06 ,  H01G4/018 ,  H01G4/12 ,  H01G4/248 ,  C01G23/00

Abstract: A dielectric composition is a barium titanate-based dielectric composition and includes a barium titanate particle including a major axis, a minor axis disposed on the same plane as the major axis, and a vertical axis perpendicular to both the major axis and the minor axis, and a ratio of a length of the major axis to a length of the vertical axis is within a range from 1.5:1 to 30:1.

公开(公告)号：US09633792B2

公开(公告)日：2017-04-25

申请号：US14719304

申请日：2015-05-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Chi Hwa Lee ,  Sang Min Youn ,  Kum Jin Park ,  Chang Hak Choi ,  Jin Woo Kim

IPC: H01G4/30 ,  H01G4/232 ,  C09D5/24

CPC classification number: H01G4/30 ,  C09D5/24 ,  H01G4/2325

Abstract: A conductive paste for an external electrode, a multilayer ceramic electronic component using the same, and a manufacturing method of a multilayer ceramic electronic component are provided. The conductive paste for an external electrode includes first conductive particles containing a metal, second conductive particles formed of ceramic particles coated with silver (Ag), and a thermosetting resin.

公开(公告)号：US10748709B2

公开(公告)日：2020-08-18

申请号：US16279139

申请日：2019-02-19

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park

IPC: H01G4/12 ,  H01G4/30 ,  C04B35/49 ,  H01G4/005 ,  C04B35/626 ,  C01G23/00

Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrode, respectively, wherein the dielectric layer includes dielectric grains having a core-shell structure including a core and a shell, and a domain wall is disposed in the shell.

公开(公告)号：US09576729B2

公开(公告)日：2017-02-21

申请号：US14673100

申请日：2015-03-30

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park ,  Chang Hak Choi ,  Chi Hwa Lee ,  Jong Hoon Yoo ,  Min Gi Sin

IPC: C04B35/00 ,  H01G4/12 ,  H01G4/008 ,  H01G4/30

CPC classification number: H01G4/1227 ,  H01G4/008 ,  H01G4/30

Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body in which internal electrodes and dielectric layers containing a barium titanate-based compound containing calcium (Ca) are alternately stacked; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes. The dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, the interfacial portion having a calcium (Ca) concentration higher than that of the central portion.

Abstract translation: 提供了一种多层陶瓷电子部件，其包括：陶瓷体，其中含有含有钙（Ca）的钛酸钡系化合物的内部电极和电介质层交替堆叠; 以及设置在陶瓷体的外表面并与内部电极电连接的外部电极。 电介质层包括与内部电极相邻的界面部分和设置在界面部分之间的中心部分，界面部分的钙（Ca）浓度高于中心部分的钙浓度。

公开(公告)号：US09061945B2

公开(公告)日：2015-06-23

申请号：US14020135

申请日：2013-09-06

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Kum Jin Park ,  Sang Hyuk Kim ,  Hye Young Baeg ,  Hyung Joon Jeon ,  Sang Hoon Kwon ,  Chang Hak Choi

IPC: C04B35/468 ,  B82Y30/00 ,  C04B35/49 ,  H01C7/00 ,  H01C17/065 ,  H01G4/12 ,  H01G4/30 ,  C01G23/00 ,  C01G23/053 ,  C04B35/624

CPC classification number: C04B35/4682 ,  B82Y30/00 ,  C01G23/003 ,  C01G23/006 ,  C01G23/053 ,  C01G23/0536 ,  C01P2002/34 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/14 ,  C04B35/49 ,  C04B35/624 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3244 ,  C04B2235/5296 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5463 ,  C04B2235/765 ,  H01C7/008 ,  H01C17/06533 ,  H01G4/1245 ,  H01G4/30

Abstract: There are provided a method of manufacturing perovskite powder, and perovskite powder and a multilayer ceramic electronic component manufactured thereof. The manufacturing method includes: washing metal oxide hydrate to remove impurities therefrom; adding pure water and an acid or a base to the metal oxide hydrate to prepare a metal oxide sol; mixing the metal oxide sol with a metal salt to form perovskite particle nuclei; and conducting grain growth of the perovskite particle nuclei by hydrothermal treatment to produce perovskite powder. The method of manufacturing perovskite powder and the perovskite powder manufactured by the same have advantages such as excellent crystallinity, reduced generation of fine powder, and favorable dispersion properties.

Abstract translation: 提供了一种制造钙钛矿粉末的方法，以及钙钛矿粉末及其制造的多层陶瓷电子部件。 制造方法包括：洗涤金属氧化物水合物以除去杂质; 向金属氧化物水合物中加入纯水和酸或碱，制备金属氧化物溶胶; 将金属氧化物溶胶与金属盐混合以形成钙钛矿颗粒核; 并通过水热处理进行钙钛矿颗粒核的晶粒生长，生成钙钛矿粉末。 制造钙钛矿粉末和由其制造的钙钛矿粉末的方法具有优异的结晶度，减少细粉的产生和良好的分散性能。