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11. 发明公开

EP1916681A1 Dielectric ceramic composition and electronic device 有权
标题翻译： Dielektrische keramische Zusammensetzung und elektronische Vorrichtung
公开(公告)号：EP1916681A1
公开(公告)日：2008-04-30
申请号：EP07150460.9
申请日：2005-08-29
申请人： TDK Corporation
发明人： Ito, Kazushige , Sato, Akira
IPC分类号： H01G4/12 , H01B3/12
CPC分类号： C04B35/4682 , B32B2311/22 , C04B35/62665 , C04B35/6303 , C04B35/64 , C04B2235/3201 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3241 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3286 , C04B2235/3287 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/447 , C04B2235/5445 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/662 , C04B2235/79 , C04B2237/346 , C04B2237/405 , H01G4/1227
摘要： A dielectric ceramic composition, comprising a main component including barium titanate; a first subcomponent including at least one kind selected from MgO, CaO, BaO and SrO; a second subcomponent functioning as a sintering auxiliary agent; a third subcomponent including at least one kind selected from V 2 O 5 , MoO 3 and WO 3 ; a fourth subcomponent including an oxide of R1, wherein R1 is at least one kind selected from Sc, Er, Tm Yb and Lu; a fifth subcomponent including CazrO 3 or CaO + ZrO 2 ; and an eighth subcomponent including an oxide of A, wherein A is at least one kind selected from a cation element group having an effective ionic radius at the time of 6 coordination of 0.065 nm to 0.085 nm ; wherein a ratio of the eighth subcomponent with respect to 100 moles of the main component is 0 to 4 moles, wherein 0 mole and 4 moles are excluded, and the value is in terms of an A oxide.
摘要翻译：一种介电陶瓷组合物，其包含主要成分，包括钛酸钡; 包括选自MgO，CaO，BaO和SrO中的至少一种的第一副成分; 作为烧结助剂的第二副成分; 包括选自V 2 O 5，MoO 3和WO 3中的至少一种的第三副成分; 包含R1的氧化物的第四副成分，其中R 1为选自Sc，Er，Tm Yb和Lu中的至少一种; 第五副成分包括CazrO 3或CaO + ZrO 2; 以及包含A的氧化物的第八副成分，其中A是选自六配位时具有0.065nm至0.085nm的具有有效离子半径的阳离子元素基团中的至少一种; 其中第八副成分相对于100摩尔主要成分的比例为0-4摩尔，其中不包括0摩尔和4摩尔，并且该值以A氧化物计。

12. 发明公开

EP1736456A1 LAMINATED CERAMIC CAPACITOR 有权转让
标题翻译： LAMINIERTER KERAMIKKONDENSATOR
公开(公告)号：EP1736456A1
公开(公告)日：2006-12-27
申请号：EP05710578.5
申请日：2005-02-23
申请人： TDK Corporation
发明人： Ito, Kazushige , Hara, Haruya , Iguchi, Toshihiro , Sato, Shigeki , Sato, Akira , Kojima, Takashi
IPC分类号： C04B35/46 , H01B3/12 , H01G4/12
CPC分类号： C04B35/4682 , B32B18/00 , B32B2311/22 , C04B35/64 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3241 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/5409 , C04B2235/5436 , C04B2235/6582 , C04B2235/6584 , C04B2235/662 , C04B2235/782 , C04B2235/785 , C04B2237/346 , C04B2237/40 , C04B2237/405 , C04B2237/704 , C04B2237/706 , H01B3/12 , H01G4/1227
摘要： To provide a multilayer ceramic capacitor which has capacitance-temperature characteristics satisfying the X8R characteristic specified by the EIA standard and has capacitance with an excellent long-term stability.
The object is achieved by a multilayer ceramic capacitor comprising a laminate including alternately stacked dielectric layers of a sintered compact composed of crystal particles of a dielectric porcelain composite and internal-electrode layers. The dielectric porcelain composite comprises a primary constituent containing barium titanate; a first accessory constituent composed of at least one of MgO, CaO, BaO, and SrO; a second accessory constituent containing silicon oxide as a major constituent; a third accessory constituent composed of at least one of V 2 O 5 , MoO 3 , and WO 3 ; a fourth accessory constituent composed of an oxide of R1 (wherein R1 is at least one of Sc, Er, Tm, Yb, and Lu); a fifth accessory constituent composed of CaZrO 3 or a combination of CaO and ZrO 2 ; and a sixth accessory constituent composed of an oxide of R2 (wherein R2 is at least one ofY, Dy, Ho, Tb, Gd, and Eu). In the case of 100 moles of barium titanate, there are 0.1 to 3 moles of the first accessory constituent, 2 to 10 moles of the second accessory constituent, 0.01 to 0.5 moles of the third accessory constituent, 0.5 to 7 moles of the fourth accessory constituent (wherein the number of moles of the fourth accessory constituent is that of R1 alone), more than 0 but not more than 5 moles of the fifth accessory constituent, and more than 0 but not more than 9 moles of the sixth accessory constituent. The crystal particles constituting the dielectric layers have an average particle diameter of not less than 0.2 µm and less than or equal to 0.55 µm.
摘要翻译：提供具有满足EIA标准规定的X8R特性的电容 - 温度特性并且具有优异的长期稳定性的电容的多层陶瓷电容器。该目的是通过一种多层陶瓷电容器来实现的，该电容器包括层压体，它包括由电介质陶瓷复合材料的晶体颗粒和内部电极层组成的烧结体的交替层叠电介质层。介电瓷复合材料包含含钛酸钡的主要成分; 由MgO，CaO，BaO和SrO中的至少一种构成的第一辅助成分; 含有氧化硅作为主要成分的第二配料; 由V 2 O 5，MoO 3和WO 3中的至少一种构成的第三辅助成分; 由R1的氧化物（其中R1是Sc，Er，Tm，Yb和Lu中的至少一种）组成的第四辅助成分; 由CaZrO 3或CaO和ZrO 2的组合构成的第五附属成分; 和由R2的氧化物（其中R2是Y，Dy，Ho，Tb，Gd和Eu中的至少一种）构成的第六附属成分。在100摩尔钛酸钡的情况下，第一辅助成分为0.1〜3摩尔，第二副成分为2〜10摩尔，第三副成分为0.01〜0.5摩尔，第四附属物为0.5〜7摩尔构成（其中第四辅助成分的摩尔数为单独的R1的摩尔数），大于0但不超过5摩尔的第五附属成分，大于0但不大于9摩尔的第六附属成分。构成电介质层的结晶粒子的平均粒径为0.2μm以上且小于等于0.55μm。

16. 发明公开

EP2003665A1 Dielectric ceramic composition with Core-Shell particles and electronic device 有权
标题翻译：具有核壳颗粒和电子器件的介电陶瓷组合物
公开(公告)号：EP2003665A1
公开(公告)日：2008-12-17
申请号：EP08161798.7
申请日：2005-11-30
申请人： TDK Corporation
发明人： Ito, Kazushige , Sato, Akira
IPC分类号： H01G4/12 , H01B3/12 , C04B35/468
CPC分类号： C04B35/4682 , B32B2311/22 , C04B35/62645 , C04B35/62685 , C04B35/628 , C04B35/62805 , C04B35/62807 , C04B35/6281 , C04B35/62815 , C04B35/62823 , C04B35/62897 , C04B35/64 , C04B2235/3203 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3244 , C04B2235/3249 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3293 , C04B2235/3409 , C04B2235/3418 , C04B2235/3427 , C04B2235/3436 , C04B2235/3454 , C04B2235/5445 , C04B2235/6025 , C04B2235/656 , C04B2235/6582 , C04B2235/6588 , C04B2235/663 , C04B2235/72 , C04B2235/785 , C04B2237/346 , C04B2237/405 , H01B3/12 , H01G4/1227 , H01L41/1871 , Y02T10/7022 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要： An object of the invention is to provide a multilayer ceramic capacitor having high dielectric constant, good temperature characteristic, and an improved IR temperature dependency.
According to the present invention, a capacitor device body 10, wherein dielectric layers 2 comprising dielectric ceramic composition and internal electrode layers 3 are alternately laminated, characterized in that said dielectric ceramic composition comprises a plural number of crystal particles 2a wherein said crystal particles 2a form Ca dispersing area 25a wherein at least said Ca is dispersed from the surface to inside of crystal particles, and when considering crystal particles 2a having an average particle diameter of D50, an average depth T of said Ca dispersing area is controlled within a range of 10 to 30% with respect to the average particle diameter of D50, is provided ( Fig. 2 ).
摘要翻译：本发明的目的是提供具有高介电常数，良好的温度特性和改进的IR温度依赖性的多层陶瓷电容器。根据本发明，一种电容器装置主体10，其中交替地层压包括介电陶瓷组合物和内部电极层3的介电层2，其特征在于所述介电陶瓷组合物包含多个晶体颗粒2a，其中所述晶体颗粒2a形成 Ca分散区域25a，其中至少所述Ca从晶体颗粒的表面向内部分散，并且当考虑具有平均粒径D50的晶体颗粒2a时，所述Ca分散区域的平均深度T被控制在10的范围内相对于D50的平均粒径为30％〜30％（图2）。

17. 发明公开

EP1607989A3 Ceramic electronic device and the production method 审中-公开
标题翻译：陶瓷电子元件及其制造方法
公开(公告)号：EP1607989A3
公开(公告)日：2008-06-04
申请号：EP05013002.0
申请日：2005-06-16
申请人： TDK Corporation
发明人： Ito, Kazushige , Iwanaga, Daisuke , Sato, Akira
IPC分类号： H01G4/12 , H01G4/30 , C04B35/468
CPC分类号： C04B35/49 , B32B2311/22 , C04B35/64 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3215 , C04B2235/3225 , C04B2235/3239 , C04B2235/3258 , C04B2235/3262 , C04B2235/3418 , C04B2235/5436 , C04B2235/5445 , C04B2235/5481 , C04B2235/652 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/72 , C04B2237/346 , C04B2237/348 , C04B2237/405 , H01G4/1227 , H01G4/30
摘要： A ceramic electronic device having a dielectric layer, wherein the dielectric layer includes a main component containing a (Ba, Ca) (Ti, Zr)O 3 based material and a subcomponent containing an oxide of Si; and a content of the Si oxide is 0 to 0.4 wt% (note that 0 is not included) with respect to the entire dielectric layer; and preferably the dielectric layer has a segregation phase; and the segregation phase contains an oxide of Si and substantially not containing an oxide of Li; by which it is possible to provide a ceramic electronic device, such as a multilayer ceramic capacitor, having a low IR defect rate (initial insulation resistance defect rate), excellent high temperature load lifetime and high reliability.

18. 发明授权

EP1648002B1 Ceramic electronic device and production method thereof 有权
标题翻译：电子陶瓷器件及其制造方法
公开(公告)号：EP1648002B1
公开(公告)日：2007-08-29
申请号：EP05022292.6
申请日：2005-10-12
申请人： TDK Corporation
发明人： Ito, Kazushige , Sato, Akira
IPC分类号： H01G4/10
CPC分类号： H01G4/1218

19. 发明公开

EP1648004A1 Dielectric ceramic composition with dielectric core-shell particles and electronic device 有权
标题翻译：与电介质芯 - 壳粒子和电子设备的电介质陶瓷组合物
公开(公告)号：EP1648004A1
公开(公告)日：2006-04-19
申请号：EP05022291.8
申请日：2005-10-12
申请人： TDK Corporation
发明人： Ito, Kazushige , Sato, Akiro
IPC分类号： H01G4/12
CPC分类号： C04B35/4682 , B32B2311/22 , C04B35/628 , C04B35/62805 , C04B35/62807 , C04B35/6281 , C04B35/62815 , C04B35/62818 , C04B35/62823 , C04B35/62886 , C04B35/62889 , C04B35/62894 , C04B35/62897 , C04B2235/3203 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3239 , C04B2235/3244 , C04B2235/3249 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3427 , C04B2235/3436 , C04B2235/3454 , C04B2235/5436 , C04B2235/5445 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/72 , C04B2235/721 , C04B2235/724 , C04B2235/726 , C04B2235/727 , C04B2235/785 , C04B2235/79 , C04B2235/85 , C04B2237/346 , C04B2237/405 , H01B3/12 , H01G4/1209 , H01G4/1227 , Y10T428/252 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要： A multilayer ceramic capacitor comprising a capacitor element body: wherein dielectric layers composed of a dielectric ceramic composition and internal electrode layers are alternately stacked; the dielectric ceramic composition comprises a plurality of dielectric particles each having a shell, wherein subcomponents are dispersed in a main component, formed around a core substantially composed of the main component; and a difference of the maximum thickness and the minimum thickness of the shell in the dielectric particles having an average particle diameter is controlled to be 6 to 60% of a radius of the dielectric particles; wherein a high permittivity and preferable temperature characteristic are obtained and TC bias characteristics are improved, is provided.
摘要翻译：一种多层陶瓷电容器，包括电容器元件主体：worin交替堆叠介电陶瓷组合物和内部电极层构成的介电层; 介电陶瓷组合物包含电介质颗粒各自具有一个壳，worin子组件被分散在主成分，绕基本组成的主成分的芯形成一个多元化; 和最大厚度与在具有平均粒径的电介质粒子的壳的最小厚度的差被控制在6〜60的电介质颗粒的半径％; worin高介电常数和优选的温度特性，获得和克·比亚斯特性得到改善，提供了一种。

20. 发明公开

EP1635360A1 Dielectric ceramic composition and electronic device 有权
标题翻译：。。。。。。。。。。。。。。
公开(公告)号：EP1635360A1
公开(公告)日：2006-03-15
申请号：EP05018789.7
申请日：2005-08-30
申请人： TDK Corporation
发明人： Ito, Kazushige , Sato, Akira , Murase, Taku
IPC分类号： H01B3/12 , H01G4/12
CPC分类号： C04B35/4682 , B32B18/00 , B32B2311/22 , C04B35/62665 , C04B35/62685 , C04B35/638 , C04B35/64 , C04B2235/3201 , C04B2235/3206 , C04B2235/3208 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3241 , C04B2235/3262 , C04B2235/3286 , C04B2235/3287 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/785 , C04B2237/346 , C04B2237/405 , C04B2237/704 , H01B3/12 , H01G4/1245
摘要： A dielectric ceramic composition having a main ingredient including a dielectric oxide expressed by the formula {(Me 1-x Ca x )O} m ·(Zr 1-y Ti y )O 2 , where the symbol Me indicating the name of the element in said formula is at least one of Sr, Mg, and Ba and where the symbols m, x, and y indicating the molar ratios of the formulation in the formula are in relationships of 0.995≤m≤1.020, 0
摘要翻译：一种介电陶瓷组合物，其主要成分包括由式{（Me 1-x Ca x）O} m·（Zr 1-y Ti y）O 2）表示的电介质氧化物，其中表示元素名称的符号Me 在所述配方中为Sr，Mg和Ba中的至少一种，其中表示配方中摩尔比的符号m，x和y的关系为0.995‰¤m‰‰1.020,0‰‰ ¤0.15和0‰¤‰¤1.00，包括R（其中R是稀土元素）的氧化物的第一子成分，包含Mg的氧化物的第二副成分和包含氧化物的第三副成分 Mn，其中副成分相对于100摩尔主成分的比例为第一次成分：0.1〜6摩尔（转化为R的氧化物的值），第2次成分：0.1〜5摩尔（转化为 Mg）和第三副成分：0.1〜2.5摩尔（转化为Mn的氧化物的值），所述介电陶瓷组合物还具有第四亚成分是A的氧化物（其中A是选自六配位时的0.065nm至0.085nm的具有有效离子半径的阴离子元素的族中的至少一种元素）。

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