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1. 发明授权

US08174816B2 Ceramic electronic component 有权
标题翻译：陶瓷电子元件
公开(公告)号：US08174816B2
公开(公告)日：2012-05-08
申请号：US12648223
申请日：2009-12-28
申请人： Dong Hwan Seo , Kang Heon Hur , Doo Young Kim
发明人： Dong Hwan Seo , Kang Heon Hur , Doo Young Kim
IPC分类号： H01G4/00
CPC分类号： H01G4/30 , H01G4/232
摘要： There is provided a ceramic electronic component including a ceramic sintered body, internal conductive layers, and external electrodes. Each of the external electrodes includes a first electrode layer, a conductive resin layer covering the first electrode layer, and a second electrode layer covering the conductive resin layer and having an extension length greater than the length of the first electrode layer extending from one of the side surfaces of the ceramic sintered body to the portions of the top and bottom surfaces thereof. The distance from the top or bottom surface of the ceramic sintered body to the closest layer of the internal conductive layers is greater than or equal to the length of the first electrode layer extending from one of the side surfaces of the ceramic sintered body to the portions of the top and bottom surfaces thereof.
摘要翻译：提供了包括陶瓷烧结体，内部导电层和外部电极的陶瓷电子部件。每个外部电极包括第一电极层，覆盖第一电极层的导电树脂层和覆盖导电树脂层的第二电极层，其延伸长度大于从第一电极层之一延伸的第一电极层的长度陶瓷烧结体的侧表面与其顶表面和底表面的部分。从陶瓷烧结体的顶面或底面到内部导电层的最靠近的距离大于或等于从陶瓷烧结体的一个侧面延伸到第一电极层的部分的长度的顶面和底面。

2. 发明授权

US06656378B2 Piezoelectric ceramic composition reducing leakage current and piezoelectric device using the same 失效
标题翻译：压电陶瓷组合物减少泄漏电流和使用其的压电器件
公开(公告)号：US06656378B2
公开(公告)日：2003-12-02
申请号：US10067814
申请日：2002-02-08
申请人： Sang Koo Kwon , Kang Heon Hur , Jong Kuk Hong , Dong Hwan Seo
发明人： Sang Koo Kwon , Kang Heon Hur , Jong Kuk Hong , Dong Hwan Seo
IPC分类号： H01L41187
CPC分类号： C04B35/493 , C04B2235/3241 , C04B2235/3249 , C04B2235/3258 , C04B2235/3267 , C04B2235/3275 , C04B2235/3296 , H01L41/1876
摘要： Disclosed is a piezoelectric ceramic composition comprising a PZT piezoelectric composition, a B-site of which is substituted with a certain material, and chromium oxide, and a piezoelectric device using the piezoelectric ceramic composition. The piezoelectric ceramic composition has good heat resistance and frequency stability, and reduces a leakage current. There is provided the piezoelectric ceramic composition comprising a main component expressed by Pb[(Co1/2W1/2)xTi1−x−yZry]O3 (wherein, 0.001≦x≦0.04, and 0.35 ≦y≦0.55), Cr2O3 in an amount of 0.01 to 2 wt %, MnO2 in an amount of 0.1 to 0.5 wt %, and an additive in an amount of 0.01 to 2.0 wt %, based on the total weight of the piezoelectric ceramic composition, in which the additive is selected from the group consisting of CoO, MgO, ZnO, Al2O3, Fe2O3, Sb2O3, SnO2, CeO2, Nb2O5, V2O5 and WO3, and mixtures thereof. The piezoelectric ceramic composition satisfies piezoelectric properties such as kp and Qm needed for a piezoelectric material, and is 320° C. or higher in phase transition temperature, ±30 ppm/° C. in TCF, and 0.1% or less in oscillation frequency change after reflow; and the piezoelectric ceramic composition also has good piezoelectric properties such that the leakage current is reduced.
摘要翻译：本发明公开了一种压电陶瓷组合物和使用该压电陶瓷组合物的压电装置，其中PZT压电组合物的B部位用某种材料代替，氧化铬。压电陶瓷组合物具有良好的耐热性和频率稳定性，并且减小了漏电流。提供了包含由Pb [（Co1 / 2W1 / 2）xTi1-x-yZry] O3（其中0.001≤x≤0.04,0.35≤Y＆LE; 0.55）表示的主要成分的压电陶瓷组合物， 0.01〜2.0重量％的MnO 2，0.1〜0.5重量％的MnO 2，0.01〜2.0重量％的添加剂，相对于压电陶瓷组合物的总重量，添加剂为选自CoO，MgO，ZnO，Al2O3，Fe2O3，Sb2O3，SnO2，CeO2，Nb2O5，V2O5和WO3，以及它们的混合物。压电陶瓷组合物满足压电材料所需的压电特性如kp和Qm，在TCF中相变温度为320℃或更高，±30ppm /℃，振荡频率变化为0.1％以下回流后并且压电陶瓷组合物也具有良好的压电性能，使得泄漏电流降低。

3. 发明授权

US07147835B2 Oxide powder for dielectrics, method of manufacturing oxide powder for dielectrics, and multi-layer ceramic capacitor using the same 有权
标题翻译：用于电介质的氧化物粉末，用于电介质的氧化物粉末的制造方法以及使用其的多层陶瓷电容器
公开(公告)号：US07147835B2
公开(公告)日：2006-12-12
申请号：US10888592
申请日：2004-07-12
申请人： Dong Hwan Seo , Kang Heon Hur , Sung Hyung Kang , Jin Yung Ryu
发明人： Dong Hwan Seo , Kang Heon Hur , Sung Hyung Kang , Jin Yung Ryu
IPC分类号： C01F1/00 , C01F11/00 , C01F17/00 , C01G23/00 , H01G4/06
CPC分类号： C04B35/4682 , C01G23/003 , C01G23/006 , C01P2002/34 , C01P2004/62 , C04B35/62675 , C04B35/62805 , C04B35/6281 , C04B35/62815 , C04B35/62821 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3232 , C04B2235/5409 , C04B2235/5445 , C04B2235/5481 , C04B2235/768 , C04B2235/79
摘要： Disclosed herein is a small particle oxide powder for dielectrics. The oxide powder has a perovskite structure, an average particle diameter [D50(μm)] of 0.3 μm or less, a particle size distribution of the average particle diameter within 3%, a particle size distribution satisfying a condition D99/D50
摘要翻译：本文公开了一种用于电介质的小颗粒氧化物粉末。氧化物粉末具有钙钛矿结构，平均粒径[D50（母体）]为0.3μm以下，平均粒径在3％以内的粒度分布，满足条件D99 / D50 <2.5的粒度分布， 0.2重量％，C / A轴比为1.006以上的OH基团的含量。制备氧化物粉末的方法包括以下步骤：将TiO 2 2颗粒和由ABO 3的钙钛矿结构的A表示的至少一种元素溶解的化合物; 干燥和粉碎TiO 2和该化合物的混合物; 煅烧粉碎混合物; 将含有位点A的元素的氧化物加入到涂覆的TiO 2颗粒中并进行湿式混合，干燥和粉碎; 主要在真空下煅烧粉碎粉碎粉末; 并二次煅烧和粉碎粉末。

4. 发明授权

US06683014B2 Piezoelectric ceramic composition and piezoelectric ceramic device using the same 失效
标题翻译：压电陶瓷组合物和使用其的压电陶瓷装置
公开(公告)号：US06683014B2
公开(公告)日：2004-01-27
申请号：US10206983
申请日：2002-07-30
申请人： Dong Hwan Seo , Kang Heon Hur , Jong Kuk Hong , Sang Koo Kwon
发明人： Dong Hwan Seo , Kang Heon Hur , Jong Kuk Hong , Sang Koo Kwon
IPC分类号： H01L4118
CPC分类号： C04B35/472 , C04B2235/3227 , C04B2235/3234 , C04B2235/3267 , C04B2235/3284 , C04B2235/3296 , C04B2235/5436 , C04B2235/5445 , H01L41/187
摘要： The present invention provides a piezoelectric ceramic composition having the formula: {[Pb(1−1.5x)±(0˜0.2)Lax][Ti(1−y−z)MnyCuz]O3} which meets the requirements: 0.02
摘要翻译：本发明提供一种具有以下结构的压电陶瓷组合物：符合要求的{[Pb（1-1.5×）±（0〜0.2）Lax] [Ti（1-yz）MnyCuz] O 3}：0.02

5. 发明申请

US20120106025A1 MULTILAYER CERAMIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：US20120106025A1
公开(公告)日：2012-05-03
申请号：US13116576
申请日：2011-05-26
申请人： Ji Hun JEONG , Doo Young Kim , Dong Ik Chang , Kang Heon Hur , Sung Ae Kim
发明人： Ji Hun JEONG , Doo Young Kim , Dong Ik Chang , Kang Heon Hur , Sung Ae Kim
IPC分类号： H01G4/30
CPC分类号： H01G4/30 , H01G4/012 , Y10T29/435
摘要： There is provided a multilayer ceramic capacitor and a method of manufacturing the same. There is provided a multilayer ceramic capacitor, including: a ceramic body having a plurality of dielectric layers stacked therein and including a first side and a second side opposite to each other and a third side and a fourth side connected to the first side and the second side; and inner electrode layers formed on the dielectric layers, including electrode drawing parts exposed to the first side or the second side and an electrode main part, and having a length between the electrode main part and the third side of 100 μm or less and a ratio of a length between the electrode drawing part and the third side to the length between the electrode main part and the third side of between 1.2:1 and 1.7:1. The multilayer ceramic capacitor may have improved reliability by suppressing cracks occurring in the ceramic laminate due to thermal impact during a sintering or mounting process.
摘要翻译：提供了一种多层陶瓷电容器及其制造方法。提供了一种多层陶瓷电容器，其包括：陶瓷体，其具有堆叠在其中的多个电介质层，并且包括彼此相对的第一侧和第二侧以及连接到第一侧的第三侧和第四侧，侧; 以及形成在电介质层上的内电极层，包括暴露于第一侧或第二侧的电极引出部分和电极主体，并且电极主体部分和第三侧之间的长度为100μm以下，电极牵引部和第三侧之间的长度与电极主体与第三面之间的长度在1.2:1和1.7:1之间。通过抑制在烧结或安装过程中由于热冲击而在陶瓷层叠体中产生的裂纹，多层陶瓷电容器可以提高可靠性。

6. 发明申请

US20100165542A1 BOROSILICATE GLASS COMPOSITIONS FOR SINTERING AGENT, DIELECTRIC COMPOSITIONS AND MULTILAYER CERAMIC CAPACITOR USING THE SAME 有权
标题翻译：用于烧结剂，介电组合物和多层陶瓷电容器的硼硅酸盐组合物
公开(公告)号：US20100165542A1
公开(公告)日：2010-07-01
申请号：US12504171
申请日：2009-07-16
申请人： Sung Bum Sohn , Young Tae Kim , Kang Heon Hur , Min Hee Hong , Hew Young Kim , Doo Young Kim
发明人： Sung Bum Sohn , Young Tae Kim , Kang Heon Hur , Min Hee Hong , Hew Young Kim , Doo Young Kim
IPC分类号： H01G4/12 , C03C3/095 , H01G4/008
CPC分类号： H01G4/1227 , C03C3/095 , C03C4/16 , C03C8/20 , C04B35/4682 , C04B35/62815 , C04B2235/3206 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3262 , C04B2235/365 , C04B2235/5445 , C04B2235/656 , H01G4/30
摘要： The present invention relates to borosilicate glass compositions for a sintering agent, dielectric compositions containing the borosilicate glass compositions and a multilayer ceramic capacitor using the dielectric compositions. Borosilicate glass compositions for a sintering agent according to an aspect of the invention include an alkali oxide, an alkaline earth oxide and a rare earth oxide, can sinter ceramic dielectrics at low temperatures and improve the hot insulation resistance of a multilayer ceramic capacitor. Correspondingly, dielectric compositions including these borosilicate glass compositions and a multilayer ceramic capacitor using the dielectric compositions can be sintered at a low temperature of 1100° C. or less and have high hot insulation resistance, thereby ensuring high levels of reliability.
摘要翻译：本发明涉及用于烧结剂的硼硅酸盐玻璃组合物，含有硼硅酸盐玻璃组合物的电介质组合物和使用电介质组合物的多层陶瓷电容器。根据本发明的一个方面的用于烧结剂的硼硅酸盐玻璃组合物包括碱金属氧化物，碱土金属氧化物和稀土氧化物，可以在低温下烧结陶瓷电介质，并提高多层陶瓷电容器的热绝缘电阻。相应地，包括这些硼硅酸盐玻璃组合物的介电组合物和使用电介质组合物的多层陶瓷电容器可以在1100℃或更低的低温下烧结并且具有高的绝热电阻，从而确保高水平的可靠性。

7. 发明申请

US20120099241A1 MULTILAYER CERAMIC ELECTRONIC COMPONENTS AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：多层陶瓷电子元件及其制造方法
公开(公告)号：US20120099241A1
公开(公告)日：2012-04-26
申请号：US13149246
申请日：2011-05-31
申请人： Dong Ik Chang , Kang Heon Hur , Doo Young Kim , Ji Hun Jeong
发明人： Dong Ik Chang , Kang Heon Hur , Doo Young Kim , Ji Hun Jeong
IPC分类号： H01G4/30 , H01G7/00
CPC分类号： H01G4/012 , H01G4/30 , Y10T29/43
摘要： Disclosed are a multilayer ceramic electronic component and a method of manufacturing the same. There is provided a multilayer ceramic electronic component, including: a ceramic main body in which a plurality of dielectric layers having an average thickness of 1 μm or less are stacked; and inner electrode layers formed on the dielectric layers and having connectivity of 90% or more expressed by the following Equation, wherein the ratio of the thickness of the inner electrode layer to the thickness of the dielectric layer is between 0.8:1 and 1.3:1. The Equation is as follows. CONNECTIVITY = TOTAL   LENGTH   ( B )   OF   CROSS   SECTION FORMED   WITH   CONDUCTIVE   PASTE TOTAL   LENGTH   ( A )   OF   CORSS SECTION   OF   INNER   ELECTRODE The high-capacity multilayer ceramic electronic component having the excellent reliability while resisting the thermal impact cracks can be provided, by having the uniform thickness of the dielectric layers to improve the voltage-resistant characteristics while implementing the high capacitance.
摘要翻译：公开了一种多层陶瓷电子部件及其制造方法。提供了一种多层陶瓷电子部件，其包括：层叠有平均厚度为1μm以下的多个电介质层的陶瓷主体; 以及形成在电介质层上并具有由以下等式表示的90％以上的连通性的内部电极层，其中内部电极层的厚度与电介质层的厚度之比在0.8:1至1.3:1之间。公式如下。连接度= TOTAL 内置电极可以通过在实现高电容的同时提高电介质层的均匀厚度来提高耐电压特性，而提供耐热冲击裂纹具有优异可靠性的高容量多层陶瓷电子部件。

8. 发明授权

US08456799B2 Multilayer ceramic capacitor and method of manufacturing the same 有权
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：US08456799B2
公开(公告)日：2013-06-04
申请号：US13033897
申请日：2011-02-24
申请人： Dong Ik Chang , Kang Heon Hur , Doo Young Kim , Ji Hun Jeong
发明人： Dong Ik Chang , Kang Heon Hur , Doo Young Kim , Ji Hun Jeong
IPC分类号： H01G4/30 , H01G4/005 , H01G4/06
CPC分类号： H01G4/012 , H01G4/30 , Y10T29/435
摘要： Disclosed are a multilayer ceramic capacitor and a method of manufacturing the same. The multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked on top of each other, at least one internal electrode formed on a corresponding one of the plurality of dielectric layers and having uneven portions formed at an edge thereof, the internal electrode having a connectivity of between 0.7 and 0.9, which is defined by an equation below, and an external electrode formed on an outer surface of the ceramic body and connected with the internal electrode, Z=X−Y/X (Equation) where X denotes a length of a cross-section of the internal electrode in one direction, Y denotes a total length of gaps formed by holes in the cross-section, and Z denotes the connectivity of the internal electrode. The multilayer ceramic capacitor achieves a low crack generation rate and a high level of reliability.
摘要翻译：公开了一种多层陶瓷电容器及其制造方法。多层陶瓷电容器包括：陶瓷体，其具有堆叠在彼此顶部的多个电介质层，至少一个内部电极，形成在所述多个电介质层中的相应一个电介质层上，并且在其边缘形成有不平坦部分，所述内部电极具有由以下等式定义的0.7至0.9的连接性以及形成在陶瓷体的外表面上并与内部电极连接的外部电极，Z = XY / X（等式），其中X表示长度在一个方向上的内部电极的横截面，Y表示横截面中由孔形成的间隙的总长度，Z表示内部电极的连通性。多层陶瓷电容器实现了低裂纹产生率和高可靠性。

9. 发明申请

US20110149470A1 MULTILAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF 审中-公开
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：US20110149470A1
公开(公告)日：2011-06-23
申请号：US12974743
申请日：2010-12-21
申请人： Kang Heon Hur , Hyun Tae Kim , Doo Young Kim , Eun Sang Na , Joon Hwan Kwag , Mi Young Kim , Byung Gyun Kim , Byung Jun Jeon
发明人： Kang Heon Hur , Hyun Tae Kim , Doo Young Kim , Eun Sang Na , Joon Hwan Kwag , Mi Young Kim , Byung Gyun Kim , Byung Jun Jeon
IPC分类号： H01G4/12 , H01G7/00
CPC分类号： H01G4/005 , H01G4/12 , H01G4/30 , Y10T29/435
摘要： Provided are a multilayer ceramic capacitor and a manufacturing method thereof, which can stably secure capacitance and prevent cracking caused by the diffusion of an electrode material. The multilayer ceramic capacitor includes a capacitor body where an inner electrode including a first electrode material and a dielectric layer are alternately laminated, and an outer electrode disposed on an outer surface of the capacitor body and electrically connected to the inner electrode, the outer electrode including a second electrode material. A diffusion layer having a length exceeding 1 μm in which the first and second electrode materials are mixed is provided at a region where the inner electrode and the outer electrode are connected to each other.
摘要翻译：提供一种多层陶瓷电容器及其制造方法，其可以稳定地确保电容并且防止由电极材料扩散引起的开裂。多层陶瓷电容器包括电容器主体，其中包括第一电极材料和电介质层的内部电极交替层叠，以及外部电极，设置在电容器主体的外表面上并电连接到内部电极，外部电极包括第二电极材料。在内电极和外电极彼此连接的区域上设置有长度超过1μm的第一和第二电极材料混合的扩散层。

10. 发明授权

US08331079B2 Multilayer ceramic capacitor and method of manufacturing the same 有权
标题翻译：多层陶瓷电容器及其制造方法
公开(公告)号：US08331079B2
公开(公告)日：2012-12-11
申请号：US12941589
申请日：2010-11-08
申请人： Kang Heon Hur , Doo Young Kim , Mun Su Ha , Chul Seung Lee
发明人： Kang Heon Hur , Doo Young Kim , Mun Su Ha , Chul Seung Lee
IPC分类号： H01G4/06
CPC分类号： H01G4/12 , H01G4/005 , H01G4/008 , H01G4/01 , Y10T29/435
摘要： A multilayer ceramic capacitor and a method of manufacturing the same are provided. The multilayer ceramic capacitor includes a capacitive part, a passivation layer, and first and second outer electrodes. In the capacitive part, a plurality of dielectric layers and a plurality of first and second inner electrodes are alternately laminated, and ends of the first and second inner electrodes are alternately and respectively exposed in a direction of lamination of the dielectric layers. The passivation layer is provided at either or both of the top and bottom surfaces of the capacitive part. The first and second outer electrodes are electrically connected to the first and second inner electrodes exposed in a direction of lamination of the dielectric layers. One or more inner electrodes disposed at both ends in a direction of lamination among the plurality of inner electrodes include oxide represented by Ni—Mg—O.
摘要翻译：提供了一种多层陶瓷电容器及其制造方法。多层陶瓷电容器包括电容部分，钝化层以及第一和第二外部电极。在电容部中，交替层叠多个电介质层和多个第一和第二内部电极，并且第一和第二内部电极的端部沿电介质层的层叠方向交替地分别露出。钝化层设置在电容部分的顶表面和底表面中的一个或两个处。第一和第二外部电极电连接到在电介质层的叠层方向上暴露的第一和第二内部电极。设置在多个内部电极之间的层叠方向的两端的一个或多个内部电极包括由Ni-Mg-O表示的氧化物。

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