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1. 发明专利

JP2012232892A Dielectric ceramic composition and ceramic electronic component 有权
标题翻译：电介质陶瓷组合物和陶瓷电子元件
公开(公告)号：JP2012232892A
公开(公告)日：2012-11-29
申请号：JP2012141898
申请日：2012-06-25
申请人： Tdk Corp , Tdk株式会社
发明人： KOMATSU KAZUHIRO , HOSHI YOICHIRO , YOSHIKAWA SHUHEI , SUEDA YUICHIRO
IPC分类号： C04B35/468 , H01B3/00 , H01B3/12 , H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition which exhibits good properties even when a dielectric layer is made thin.SOLUTION: The dielectric ceramic composition contains, as a main component, a compound having a perovskite type crystal structure represented by BaTiO, and contains, as subsidiary components, in terms of respective elements with respect to 100 moles of the compounds, 0.6-2.0 moles of an oxide of Mg, 0.010-0.6 mole of an oxide of Mn and/or Cr, 0.010-0.2 mole of an oxide of at least one selected from V, Mo and W, 0.10-1.0 mole of an oxide of R1 (R1 is at least one selected from Y, Yb, Er and Ho), 0.10-1.0 mole of an oxide of R2 (R2 is at least one selected from Dy, Gd and Tb), and 0.2-1.5 moles of a component comprising an oxide of Ba and/or an oxide of Ca and an oxide of Si.
摘要翻译：要解决的问题：为了提供即使当电介质层变薄时也表现出良好性能的电介质陶瓷组合物。解决方案：介电陶瓷组合物以BaTiO 3 为代表的具有钙钛矿型晶体结构的化合物作为主要成分，含有作为辅助成分的术语的相应元素相对于100摩尔化合物，0.6-2.0摩尔Mg的氧化物，0.010-0.6摩尔的Mn和/或Cr的氧化物，0.010-0.2摩尔的选自V的至少一种的氧化物，Mo和W为0.10-1.0摩尔的R1的氧化物（R1为选自Y，Yb，Er和Ho中的至少一种），0.10-1.0摩尔的R2的氧化物（R2为选自Dy， Gd和Tb）和0.2-1.5摩尔包含Ba的氧化物和/或Ca的氧化物和Si的氧化物的组分的组分。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2011190122A Dielectric ceramic composition and ceramic electronic component 有权
标题翻译：电介质陶瓷组合物和陶瓷电子元件
公开(公告)号：JP2011190122A
公开(公告)日：2011-09-29
申请号：JP2010054937
申请日：2010-03-11
申请人： Tdk Corp , Tdk株式会社
发明人： KOMATSU KAZUHIRO , HOSHI YOICHIRO , YOSHIKAWA SHUHEI , SUEDA YUICHIRO
IPC分类号： C04B35/468 , H01B3/12 , H01G4/12 , H01G4/30
CPC分类号： H01G4/1227 , C04B35/465 , C04B35/4682 , C04B35/47 , C04B35/48 , C04B35/6342 , C04B35/638 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3241 , C04B2235/3262 , C04B2235/3418 , C04B2235/36 , C04B2235/5445 , C04B2235/656 , C04B2235/6562 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/761 , C04B2235/79
摘要： PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition which shows good characteristics, even when a dielectric layer is made thinner. SOLUTION: The dielectric ceramic composition includes, as a main component, a compound having a perovskite type crystal structure expressed by the formula ABO 3 , and as subcomponents, in terms of respective elements with respect to 100 moles of the compound, 0.6 to 2.0 moles of an oxide of Mg, 0.010 to 0.6 mole of an oxide of Mn and/or Cr, 0.010 to 0.2 mole of an oxide of at least one selected from V, Mo and W, 0.10 to 1.0 mole of an oxide of R1 (R1 is at least one selected from Y, Yb, Er and Ho), 0.10 to 1.0 mole of an oxide of R2 (R2 is at least one selected from Dy, Gd and Tb) and 0.2 to 1.5 moles of a component consisting of an oxide of Ba and/or an oxide of Ca and an oxide of Si. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当电介质层变薄时，提供一种表现出良好特性的电介质陶瓷组合物。解决方案：电介质陶瓷组合物包含具有由式ABO 3 SB 3表示的钙钛矿型晶体结构的化合物作为主要成分，并且作为副成分，关于相对于 100摩尔化合物，0.6-2.0摩尔Mg氧化物，0.010-0.6摩尔Mn和/或Cr氧化物，0.010-0.2摩尔选自V，Mo和W中的至少一种的氧化物0.10，0.10 至1.0摩尔R1的氧化物（R1为选自Y，Yb，Er和Ho中的至少一种），0.10至1.0摩尔的R2的氧化物（R2为选自Dy，Gd和Tb中的至少一种）和0.2 至1.5摩尔由Ba的氧化物和/或Ca的氧化物和Si的氧化物组成的组分。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011190123A Method for manufacturing ceramic electronic component and ceramic raw material powder 有权
标题翻译：制造陶瓷电子元件和陶瓷原料粉末的方法
公开(公告)号：JP2011190123A
公开(公告)日：2011-09-29
申请号：JP2010054938
申请日：2010-03-11
申请人： Tdk Corp , Tdk株式会社
发明人： KOMATSU KAZUHIRO , YOSHIKAWA SHUHEI , SUEDA YUICHIRO , HOSHI YOICHIRO , SASAKI TAKASHI
IPC分类号： C04B35/628 , C04B35/468 , H01B3/12 , H01G4/12 , H01G4/30
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a ceramic electronic component of high reliability by attaining the improvement of a high temperature load life. SOLUTION: The method is for manufacturing a ceramic electronic component which has a ceramic layer and electrodes, where the ceramic layer is composed of a dielectric ceramic composition containing a main component expressed by ABO 3 (wherein A is one or more selected from Ba, Ca and Sr, and B is one or more selected from Ti, Zr and Hf) and additional components, and includes a process for preparing a raw material powder of a main component and a gel compound slurry of at least a part of metallic elements or a solution of at least a part of metallic elements among metallic elements contained in additional components, a process for obtaining a raw material mixture by dispersing the raw material of a main component and the gel compound slurry or the solution, a process for drying the raw material mixture, and a process for heat-treating the raw material mixture after drying. As the gel compound slurry or the solution, a gel hydroxide slurry or an aqueous solution is preferable. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：通过实现高温负载寿命的提高，提供高可靠性的陶瓷电子部件的制造方法。解决方案：该方法用于制造具有陶瓷层和电极的陶瓷电子部件，其中陶瓷层由包含由ABO 3 表示的主要成分的电介质陶瓷组合物组成（其中 A是选自Ba，Ca和Sr中的一种或多种，B是选自Ti，Zr和Hf中的一种或多种）和另外的组分，并且包括主要成分和凝胶化合物浆料的原料粉末的制备方法的至少一部分金属元素或金属元素中的至少一部分金属元素溶液中的金属元素，通过分散主要成分的原料和凝胶化合物浆料获得原料混合物的方法，或溶液，干燥原料混合物的方法，干燥后的原料混合物的热处理方法。作为凝胶化合物浆料或溶液，优选凝胶氢氧化物浆料或水溶液。版权所有（C）2011，JPO＆INPIT

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