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121. 发明授权

US06606238B1 Electroconductive paste, method of producing monolithic ceramic electronic part, and monolithic ceramic electronic part 有权
标题翻译：导电膏，制造单片陶瓷电子部件的方法和单片陶瓷电子部件
公开(公告)号：US06606238B1
公开(公告)日：2003-08-12
申请号：US10265262
申请日：2002-10-07
申请人： Tomoyuki Nakamura , Motohiro Shimizu , Harunobu Sano
发明人： Tomoyuki Nakamura , Motohiro Shimizu , Harunobu Sano
IPC分类号： H01G4008
CPC分类号： H01G4/008 , B32B18/00 , B32B2311/08 , B32B2311/22 , C04B35/4682 , C04B35/49 , C04B35/6262 , C04B35/63 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3236 , C04B2235/3262 , C04B2235/3418 , C04B2235/5445 , C04B2235/6025 , C04B2235/6582 , C04B2235/6584 , C04B2235/77 , C04B2235/79 , C04B2235/96 , C04B2235/9615 , C04B2237/346 , C04B2237/405 , C04B2237/408 , C04B2237/704 , H01G4/30
摘要： A conductive paste contains a ceramic powder in addition to a conductive metal powder and an organic vehicle. The ceramic powder is a powder produced by calcining an ABO3 system in which A represents Ba or alternatively Ba partially substituted by at least one of Ca and Sr, and B represents Ti or alternatively Ti partially substituted by at least one of Zr and Hf, the system containing at least one selected from the group of consisting of Re compounds (La or the like), Mg compounds, and Mn compounds. The ceramic powder has an average grain size smaller than that of the metal powder and being incapable of sintering at the sintering temperature of the substrate-use ceramic.
摘要翻译：除了导电金属粉末和有机载体之外，导电糊还含有陶瓷粉末。陶瓷粉末是通过煅烧其中A表示Ba的ABO3体系或者部分地被Ca和Sr中的至少一种替代的Ba，B表示Ti或者由Zr和Hf中的至少一种部分替代的Ti而制备的粉末，含有选自Re化合物（La等），Mg化合物和Mn化合物中的至少一种的体系。陶瓷粉末的平均粒径小于金属粉末的粒径，并且在基板用陶瓷的烧结温度下不能烧结。

122. 发明授权

US06301092B1 Ceramic capacitor and method for making the same 有权
标题翻译：陶瓷电容器及其制作方法
公开(公告)号：US06301092B1
公开(公告)日：2001-10-09
申请号：US09591298
申请日：2000-06-09
申请人： Kotaro Hata , Toshihiro Okamatsu , Tomoyuki Nakamura , Kenji Hori , Harunobu Sano
发明人： Kotaro Hata , Toshihiro Okamatsu , Tomoyuki Nakamura , Kenji Hori , Harunobu Sano
IPC分类号： H01G406
CPC分类号： H01G4/1245 , H01G4/1218 , H01G4/1236
摘要： A ceramic capacitor has a dielectric ceramic layer and at least one pair of electrodes. The dielectric ceramic layer has a primary phase and secondary phases, and the size of the secondary phases in the thickness direction of the dielectric ceramic layer is not more than about one-third of the thickness of the dielectric ceramic layer. A method for making the ceramic capacitor includes the steps of mixing compounds constituting secondary phases in a primary phase of a dielectric ceramic, annealing and then pulverizing the mixture to prepare a raw material for the secondary phases, mixing the raw material for the secondary phases with other materials for the dielectric ceramic shaping and sintering the mixture to form a dielectric ceramic, and forming electrodes on the dielectric ceramic. The ceramic capacitor has high insulation resistance, superior load characteristics at high temperatures or high humidity and high weather resistance, even when sintered in a reducing atmosphere.
摘要翻译：陶瓷电容器具有介电陶瓷层和至少一对电极。电介质陶瓷层具有主相和次相，并且介电陶瓷层的厚度方向上的次相的尺寸不超过介电陶瓷层的厚度的约三分之一。制造陶瓷电容器的方法包括以下步骤：将构成第二相的化合物混合在电介质陶瓷的初生相中，退火然后粉碎混合物以制备二次相的原料，将第二相的原料与电介质陶瓷的其他材料成型并烧结混合物以形成电介质陶瓷，并在电介质陶瓷上形成电极。陶瓷电容器具有高绝缘电阻，在高温或高湿度下具有优异的负载特性和高耐候性，即使在还原气氛中烧结也是如此。

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