专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014210685A 積層型電子部品有权
标题翻译：层压电子元件
公开(公告)号：JP2014210685A
公开(公告)日：2014-11-13
申请号：JP2013088455
申请日：2013-04-19
申请人： Tdk株式会社 , Tdk Corp , Tdk株式会社
发明人： ENDO MAKOTO , KIDO OSAMU , OTSUKI SHIRO , ISHIDA KEISUKE
IPC分类号： C04B35/468 , H01G4/12 , H01G4/30
CPC分类号： C04B35/46 , H01G4/12 , H01G4/30
摘要：【課題】高い誘電率と良好な高温加速寿命を満たしつつ、高いAC電界強度でも良好な容量温度特性を有する積層型電子部品を提供すること。【解決手段】誘電体層を備える積層型電子部品であって、前記誘電体層は、BaTiO3を主成分とする複数の誘電体粒子を備え、かつ前記複数の誘電体粒子の2粒子界面に粒界相を有し、前記粒界相はBa及びTiを含み、前記粒界相における前記Ba及びTiの比率(Ba/Ti)のばらつきがCV値で表して10%未満であることを特徴とする積層型電子部品とする。【選択図】図1
摘要翻译：要解决的问题：提供具有高介电常数和良好的高温加速寿命的层叠电子部件，并且即使在高AC电场强度下也具有良好的电容温度特性。解决方案：提供具有介电层的层压电子部件。介电层具有：主要含有BaTiO的多个介电粒子; 以及在多个介电粒子的两个粒子之间的界面处的粒子边界相。颗粒边界相包含Ba和Ti。在颗粒边界相中Ba与Ti的比例（Ba / Ti）的变化以CV值计小于10％。

2. 发明专利

JP2012211058A Barium titanate powder, method for manufacturing barium titanate powder, and ceramic electronic component using the same 审中-公开
标题翻译：钛酸钡粉末，制造钛酸钡粉末的方法和使用其的陶瓷电子部件
公开(公告)号：JP2012211058A
公开(公告)日：2012-11-01
申请号：JP2011078355
申请日：2011-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： NAKAHATA ISAO , ISHIDA KEISUKE , OTSUKA KOTA , TAKANE SUSUMU
IPC分类号： C01G23/00 , H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a barium titanate powder which has a particle diameter in the solid phase method capable of being controlled ≥300 nm, and uniform particle shapes, low-defective high-crystallinity, high dispersibility and low intraparticle porosity, and a narrow particle size distribution containing no ultrafine particle; and to provide a method for manufacturing a barium titanate powder, and a ceramic electronic component using the same.SOLUTION: The barium titanate powder has a perovskite structure, a rectangular parallelpiped or a rectangular parallelpiped-analogous shape, and a specific surface area measured by BET method of ≤3.2 m/g. The barium titanate powder has high crystallinity, high dispersibility, few defects, narrow particle size distribution and low intraparticle porosity and uniform particle shapes.
摘要翻译：要解决的问题：为了提供一种能够控制在≥300nm以上的具有固相方式的粒径的钛酸钡粉末，具有均匀的粒子形状，低缺陷的高结晶度，高分散性和低的内部颗粒孔隙率，和不含超细颗粒的窄粒度分布; 并提供制造钛酸钡粉末的方法和使用该方法的陶瓷电子部件。解决方案：钛酸钡粉末具有钙钛矿结构，矩形平行镊子或矩形平行琵琶类似的形状，通过BET法测量的比表面积≤3.2μm 2 / g以下。钛酸钡粉末结晶度高，分散性好，缺点少，粒径分布窄，颗粒内孔隙率低，颗粒形状均匀。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2010087237A Conductive paste, and method of manufacturing electronic component 有权
标题翻译：导电胶和制造电子元件的方法
公开(公告)号：JP2010087237A
公开(公告)日：2010-04-15
申请号：JP2008254519
申请日：2008-09-30
申请人： Tdk Corp , Tdk株式会社
发明人： ISHIDA KEISUKE , KOBAYASHI AKIRA , NAKANO YUKIE , TANAKA HIROBUMI , ENDO MAKOTO
IPC分类号： H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a conductive paste improving a breakdown voltage and high-temperature acceleration life of an electronic component after baking even when an electrode layer is particularly converted into a thin layer or a multi-layer.
SOLUTION: This conductive paste contains a conductive powder, a metal organic compound having a cyclic structure, coexistent material particles, an organic solvent and a resin. The metal organic compound having the cyclic structure has a metal element included in a dielectric material constituting a dielectric layer as a metal element.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使当电极层特别地转换成薄层或多层时，提供一种改善烘烤后电子部件的击穿电压和高温加速寿命的导电糊剂。解决方案：该导电糊包含导电粉末，具有环状结构的金属有机化合物，共存材料颗粒，有机溶剂和树脂。具有环状结构的金属有机化合物具有包含在构成作为金属元素的电介质层的电介质材料中的金属元素。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2013163614A Dielectric powder, and laminated ceramic capacitor and electronic component using the same 有权
标题翻译：电介质粉末和层状陶瓷电容器及使用该电容器的电子元件
公开(公告)号：JP2013163614A
公开(公告)日：2013-08-22
申请号：JP2012027212
申请日：2012-02-10
申请人： Tdk Corp , Tdk株式会社
发明人： ISHIDA KEISUKE , SATO JUN , SATO FUMIAKI , KIDO OSAMU , NISHIKAWA KENICHI
IPC分类号： C04B35/468 , C01G23/00 , H01B3/12 , H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a dielectric powder capable of forming a laminated ceramic capacitor that is less liable to short circuit and has a high reliability, even with a dielectric layer thickness of ≤0.8 μm.SOLUTION: A dielectric powder comprises: a barium titanate dielectric particle as a core particle; and a Ti-rich layer 2 with rare earth elements dissolved therein, which is present almost uniformly within a depth ranging from 0.5 nm to 10.0 nm from the outermost layer of the barium titanate particle and has a surface thereof further coated with a Ba compound 1. The Ba compound 1 in a coating layer is a composite compound with a shell component element, wherein the Ba/Ti ratio is controlled to ≥1.000 and ≤1.008, no barium carbonate equal to or larger than submicron size is contained as a heterogeneous phase, the average particle size of the dielectric powder calculated based on a BET specific surface area is ≥90 nm and ≤200 nm, and additive components other than the rare earth elements and Ba are contained as additives for adjusting characteristics.
摘要翻译：要解决的问题：为了提供能够形成不易发生短路并且具有高可靠性的层叠陶瓷电容器的电介质粉末，即使电介质层厚度≤0.8μm也是如此。解决方案：电介质粉末包括：钡钛酸盐介电粒子作为核心颗粒; 以及其中溶解有稀土元素的富Ti层2，其从钛酸钡颗粒的最外层几乎均匀地存在于0.5nm至10.0nm的深度范围内，并且其表面还进一步涂覆有Ba化合物1 涂层中的Ba化合物1是具有壳组分元素的复合化合物，其中Ba / Ti比控制在≥1.000和≤1.008，不含有等于或大于亚微米尺寸的碳酸钡作为异相基于BET比表面积计算的电介质粉末的平均粒径为≥90nm〜≤200nm，作为调整特性的添加剂，含有稀土元素和Ba以外的添加成分。

5. 发明专利

JP2014187102A Laminated semiconductor ceramic capacitor with varistor function 审中-公开
标题翻译：具有VARISTOR功能的层压半导体陶瓷电容器
公开(公告)号：JP2014187102A
公开(公告)日：2014-10-02
申请号：JP2013059681
申请日：2013-03-22
申请人： Tdk Corp , Tdk株式会社
发明人： ISHII TATSUYA , ISHIDA KEISUKE , ENDO MAKOTO
IPC分类号： H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a laminated semiconductor ceramic capacitor with a varistor function, having sufficient electrostatic capacity, excellent in specific resistance and withstand voltage properties, and high in rated voltage, even while being reduced in size.SOLUTION: A laminated semiconductor ceramic capacitor with a varistor function comprises a semiconductor ceramic layer 10 and an internal electrode layer 20 which are alternately laminated. The semiconductor ceramic layer is formed of a semiconductor ceramic composition. The semiconductor ceramic composition contains, as a main component, strontium titanate with a molar ratio between Sr and Ti satisfying an expression of 1.020
摘要翻译：要解决的问题：为了提供具有变阻器功能的层压半导体陶瓷电容器，具有足够的静电容量，优异的电阻率和耐电压特性，以及即使在尺寸减小的情况下也具有高的额定电压。解决方案：层压半导体陶瓷具有变阻器功能的电容器包括交替层叠的半导体陶瓷层10和内部电极层20。半导体陶瓷层由半导体陶瓷组合物形成。半导体陶瓷组合物含有作为主要成分的，具有满足1.020

6. 发明专利

JP2012211046A Method for producing barium titanate powder, and method for producing electronic component using the barium titanate powder 审中-公开
标题翻译：生产钛酸钡粉末的方法和使用钛酸钡粉末生产电子元件的方法
公开(公告)号：JP2012211046A
公开(公告)日：2012-11-01
申请号：JP2011077520
申请日：2011-03-31
申请人： Tdk Corp , Tdk株式会社
发明人： ISHIDA KEISUKE , OTSUKA KOTA , NAKAHATA ISAO , TAKANE SUSUMU
IPC分类号： C01G23/00 , C04B35/468 , H01G4/12
摘要： PROBLEM TO BE SOLVED: To provide a method for producing barium titanate powder which can control a particle diameter within 40 nm-300 nm in a solid phase method, has sharp particle size distribution, and high crystallinity and anisotropy, greatly reduce holes (defects) in particles to none or very few, and can control Ba/Ti as well, and to provide a method for producing an electronic component using the barium titanate powder.SOLUTION: The method for producing barium titanate powder using an aqueous titanium solution and barium salt powder as starting raw materials includes: a gelling step of mixing and gelling the starting raw materials; a drying step of drying the gelled mixture; a heat treatment step of heating the dried powder to generate barium titanate particles; and a separation step of separating the barium titanate particles from the heat-treated powder.
摘要翻译：待解决的问题：提供一种固相法可以控制40nm-300nm内的粒径的钛酸钡粉末的制造方法，具有尖锐的粒度分布，高结晶性，各向异性，大大降低孔（缺陷）为无或非常少，并且也可以控制Ba / Ti，并提供使用钛酸钡粉末制造电子部件的方法。解决方案：使用钛水溶液和钡盐粉末作为起始原料生产钛酸钡粉末的方法包括：将起始原料混合并凝胶化的胶凝步骤; 干燥步骤，干燥胶凝混合物; 加热干燥粉末以产生钛酸钡颗粒的热处理步骤; 以及从所述热处理粉末中分离所述钛酸钡颗粒的分离步骤。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2011225425A Barium titanate powder and method for producing the same 审中-公开
标题翻译：钛酸钡粉及其制造方法
公开(公告)号：JP2011225425A
公开(公告)日：2011-11-10
申请号：JP2011037293
申请日：2011-02-23
申请人： Tdk Corp , Tdk株式会社
发明人： ISHIDA KEISUKE , OTSUKA KOTA , TAKANE SUSUMU , NAKAHATA ISAO
IPC分类号： C01G23/00 , H01B3/12 , H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide barium titanate powder which has a grain size of a nano order, and in which the grain size distribution is sharp, and further, crystallinity and anisotropy are high.SOLUTION: A mixture 10 comprises a plurality of titanium oxide grains 12 and a plurality of water-soluble or alcohol-soluble barium salt grains 11. The method for producing barium titanate powder includes: a step of producing the mixture 10 in which one or more titanium oxide grains 12 are dispersed into the barium salt grains 11 in such a manner that they are not brought into contact with each other; a step of heat-treating the mixture to produce barium titanate grains 20; and a step of separating the barium titanate grains 20 from the mixture after the heat treatment. In the heat treatment step, after barium carbonate 15 or barium oxide is produced from the barium salt 11 and the titanium dioxide 12 is produced from the titanium oxide 12, the barium titanate grains 20 are produced by a solid phase reaction between the produced titanium dioxide 12, barium carbonate 15 or the like.
摘要翻译：待解决的问题：为了提供粒径为纳米级的钛酸钡粉末，其粒度分布锐利，结晶度和各向异性高。解决方案：混合物10包括多个氧化钛颗粒12和多个水溶性或醇溶性钡盐颗粒11.钛酸钡粉末的制造方法包括：制备混合物10的步骤，其中一个或多个氧化钛晶粒12以不彼此接触的方式分散到钡盐晶粒11中; 对该混合物进行热处理以制造钛酸钡颗粒20的步骤; 以及在热处理后从混合物中分离钛酸钡颗粒20的步骤。在热处理工序中，在由钡盐11制造碳酸钡15或氧化钡之后，由氧化钛12制造二氧化钛12，通过所生成的二氧化钛之间的固相反应来制造钛酸钡晶粒20 12，碳酸钡15等。版权所有（C）2012，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式