公开(公告)号：US09202625B2

公开(公告)日：2015-12-01

申请号：US13678364

申请日：2012-11-15

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Han Soung Jeong ,  Chang Hoon Kim ,  Sang Hoon Kwon ,  Seok Hyun Yoon

IPC: H01G4/06 ,  H01G7/00 ,  H01G4/12 ,  H01G4/30 ,  C04B35/468

CPC classification number: H01G4/12 ,  C04B35/468 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5472 ,  C04B2235/782 ,  C04B2235/784 ,  C04B2235/785 ,  H01G4/1227 ,  H01G4/30 ,  Y10T156/1092

Abstract: There is provided a laminated ceramic electronic component, including a ceramic body including a dielectric layer; and first and second internal electrodes disposed to face each other, having the dielectric layer interposed therebetween within the ceramic body, wherein when a value of 1% is set to be D1, a value of 50% is set to be D50, and a value of 99% is set to be D99 in a cumulative distribution of dielectric grains by an average particle diameter thereof within the dielectric layer, 2≦D99/D50≦3 and 2≦D50/D1≦3 are satisfied. A high-capacity laminated ceramic electronic component may be implemented with improved adhesion between the dielectric layer and the internal electrode, and improved withstand voltage characteristics and excellent reliability may be implemented.

Abstract translation: 提供一种层叠陶瓷电子部件，其包括：包含电介质层的陶瓷体; 以及第一和第二内部电极，所述第一和第二内部电极彼此相对设置，所述陶瓷体内具有介电层，其中当1％的值被设置为D1时，50％的值被设置为D50， 在电介质层中的平均粒径为2＆amp; NlE; D99 / D50＆nlE; 3和2＆nlE; D50 / D1＆nlE 3时，99％的电介质晶粒的累积分布设定为D99。 可以通过改善电介质层和内部电极之间的粘附力来实现高容量层叠陶瓷电子部件，并且可以实现改善的耐电压特性和优异的可靠性。

公开(公告)号：US09076596B2

公开(公告)日：2015-07-07

申请号：US13839781

申请日：2013-03-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seok Hyun Yoon ,  Byoung Hwa Lee ,  Chang Hoon Kim ,  Sang Hoon Kwon

IPC: H01G4/12 ,  H01G4/30

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

Abstract: There are provided a laminated ceramic electronic component and a method of fabricating the same. The laminated ceramic electronic component include a ceramic body including a dielectric layer; and first and second internal electrodes disposed to face each other, having the dielectric layer interposed therebetween within the ceramic body, wherein the ceramic body includes an active layer that is a capacitance forming part and a cover layer that is a non-capacitance forming part formed on at least one of a top surface and a bottom surface of the active layer, and when a thickness of the ceramic body is t and a thickness of the cover layer is T, T≦t×0.05 is satisfied and when an average particle diameter of a dielectric grain in the active layer is Da and an average particle diameter of a dielectric grain in the cover layer is Dc, 0.7≦Dc/Da≦1.5 is satisfied.

Abstract translation: 提供层叠陶瓷电子部件及其制造方法。 层叠陶瓷电子部件包括：陶瓷体，其包括电介质层; 以及第一和第二内部电极，所述第一和第二内部电极彼此相对设置，所述陶瓷体在陶瓷体内具有介电层，其中所述陶瓷体包括作为电容形成部的有源层和形成为非电容形成部的覆盖层 在有源层的上表面和底面中的至少一个上，并且当陶瓷体的厚度为t且覆盖层的厚度为T时，满足T＆lt; 1l; t×0.05，并且当平均粒径 在有源层中的电介质晶粒为Da，并且覆盖层中的电介质晶粒的平均粒径为Dc，0.7＆nlE; Dc / Da＆nlE; 1.5。

公开(公告)号：US09076578B2

公开(公告)日：2015-07-07

申请号：US13660527

申请日：2012-10-25

Applicant: Samsung Electro-mechanics Co., Ltd.

Inventor： Sung Hyung Kang ,  Du Won Choi ,  Min Sung Song ,  Sang Hoon Kwon ,  Chang Hoon Kim ,  Byoung Hwa Lee

IPC: H01L41/187 ,  H01C17/065 ,  H01B3/12 ,  H01G4/30 ,  H01C7/00 ,  H01G4/12 ,  C04B35/468 ,  H01C7/02 ,  H01C7/04

CPC classification number: H01C17/06533 ,  C04B35/4682 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3239 ,  C04B2235/3244 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3418 ,  C04B2235/36 ,  C04B2235/442 ,  C04B2235/5409 ,  C04B2235/785 ,  C04B2235/79 ,  H01B3/12 ,  H01C7/003 ,  H01C7/025 ,  H01C7/045 ,  H01G4/1227 ,  H01G4/30 ,  Y10T428/2982

Abstract: There is provided a dielectric composition, including; a base powder including BamTiO3 (0.995≦m≦1.010); a first sub-component including 0.05 to 4.00 moles of an oxide or carbonate containing at least one rare-earth element based on 100 moles of the base powder; a second sub-component including 0.05 to 0.70 moles of an oxide or carbonate containing at least one transition metal; a third sub-component including 0.20 to 2.00 moles of a Si oxide; a fourth sub-component including 0.02 to 1.00 mole of an Al oxide; and a fifth sub-component including 20 to 140% of an oxide containing at least one of Ba and Ca, based on the third sub-component.

Abstract translation: 提供介电组合物，包括： 包括BamTiO 3（0.995＆nlE; m＆amp; 1.0l）的基础粉末; 包含基于100摩尔基础粉末含有至少一种稀土元素的氧化物或碳酸酯的0.05至4.00摩尔的第一子组分; 含有0.05〜0.70摩尔含有至少一种过渡金属的氧化物或碳酸盐的第二子成分; 第三子成分，含有0.20〜2.00摩尔的Si氧化物; 第四副成分，含有0.02〜1.00摩尔的Al氧化物; 和包含20〜140％的含有Ba和Ca中的至少一种的氧化物的第五子成分，基于第三子成分。

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。

公开(公告)号：US09042080B2

公开(公告)日：2015-05-26

申请号：US13727420

申请日：2012-12-26

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Hyo Jung Kim ,  Seok Hyun Yoon ,  Chang Hoon Kim ,  Byoung Hwa Lee ,  Sang Hoon Kwon

IPC: H01G4/06 ,  H01G4/30 ,  H01G4/12 ,  H01G13/00 ,  H01G4/008

CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/12 ,  H01G4/1218 ,  H01G13/003 ,  Y10T156/10

Abstract: 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.

Abstract translation: 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，为9um＆amp; nlE; Tc＆nlE; 25um，Tc /Dc≥55。 可以获得具有优异的耐湿性的多层陶瓷电容器。

公开(公告)号：US20130155573A1

公开(公告)日：2013-06-20

申请号：US13720405

申请日：2012-12-19

Applicant: Samsung Electro-Mechanics., CO., LTD.

Inventor： Hyun Tae Kim ,  Hee Jung Jung ,  Dae Bok Oh ,  Sang Hoon Kwon ,  Seoung Ho Kim ,  Jong Woo Choi

IPC: H01G13/00 ,  H01G4/008

CPC classification number: H01G13/00 ,  H01G4/0085 ,  H01G4/12 ,  H01G4/2325 ,  H01G4/30

Abstract: There is provided an electronic component including a ceramic sintered body having a plurality of internal electrodes formed therein, and external electrodes formed on an outer surface of the ceramic sintered body. Each of the external electrodes includes a copper (Cu) electrode layer electrically connected to the internal electrodes, a copper (Cu)-tin (Sn) alloy layer formed on an outer surface of the electrode layer, and a tin (Sn) plating layer formed on an outer surface of the alloy layer.

Abstract translation: 提供了一种电子部件，其包括形成有多个内部电极的陶瓷烧结体和形成在陶瓷烧结体的外表面上的外部电极。 每个外部电极包括与内部电极电连接的铜（Cu）电极层，形成在电极层的外表面上的铜（Cu） - 锡（Sn）合金层和锡（Sn）镀层 形成在合金层的外表面上。