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31. 发明申请

US20060046922A1 Dielectric ceramic composition and electronic device 有权
标题翻译：介电陶瓷组合物和电子器件
公开(公告)号：US20060046922A1
公开(公告)日：2006-03-02
申请号：US11207929
申请日：2005-08-22
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： C04B35/468
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 V2O5, MoO3 and WO3; a fourth subcomponent including an oxide of R1 (note that R1 is at least one kind selected from Sc, Er, Tm Yb and Lu); a fifth subcomponent including CaZrO3 or CaO+ZrO2; and an eighth subcomponent including an oxide of A (note that 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 (note that 0 mole and 4 moles are excluded, and the value is in terms of an A oxide).
摘要翻译： 1.一种电介质陶瓷组合物，其包含主要成分为钛酸钡; 包括选自MgO，CaO，BaO和SrO中的至少一种的第一副成分; 用作烧结助剂的第二副成分; 包括选自V 2 O 5，MoO 3和WO 3的至少一种的第三副成分; 包括R1的氧化物的第四副成分（注意，R1是选自Sc，Er，Tm Yb和Lu中的至少一种）; 包括CaZrO 3 3或CaO + ZrO 2的第五副成分; 以及包含A的氧化物的第八副成分（注意，A为选自具有0.065nm至0.085nm的配位时的有效离子半径的阳离子元素群中的至少一种）; 其中第八副成分相对于主成分为100摩尔的比例为0〜4摩尔（注意，除去0摩尔和4摩尔，该值为A氧化物）。

32. 发明授权

US06999302B2 Multilayer ceramic capacitor 有权
标题翻译：多层陶瓷电容器
公开(公告)号：US06999302B2
公开(公告)日：2006-02-14
申请号：US11166172
申请日：2005-06-27
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： H01G4/06
CPC分类号： C04B35/4682 , B32B18/00 , B32B2311/22 , 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 , C04B2235/3409 , C04B2235/3418 , C04B2235/3427 , C04B2235/3436 , C04B2235/3454 , C04B2235/656 , C04B2235/6562 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/662 , C04B2235/72 , C04B2235/785 , C04B2237/12 , C04B2237/346 , C04B2237/40 , C04B2237/405 , C04B2237/704 , C04B2237/706 , H01G4/1227 , H01G4/30
摘要： In a multilayer ceramic capacitor of the present invention, a first rare earth element (R1) and a second rare earth element (R2) respectively diffuse in each of crystal grains forming dielectric layers and, assuming that, in the crystal grains each having an average grain diameter D, a ratio of a depth d1 of a diffusion layer of the first rare earth element (R1) from the surface of the crystal grain relative to the diameter D of the crystal grain is given as X1(%) and a ratio of a depth d2 of a diffusion layer of the second rare earth element (R2) from the surface of the crystal grain relative to the diameter D of the crystal grain is given as X2(%).
摘要翻译：在本发明的多层陶瓷电容器中，第一稀土元素（R1）和第二稀土元素（R2）分别在形成电介质层的各个晶粒中扩散，并且假设在每个具有平均值的晶粒晶粒直径D，第一稀土元素（R1）的扩散层与晶粒表面的相对于晶粒的直径D的深度d1的比率为X1（％），比率第二稀土元素（R2）从晶粒表面相对于晶粒的直径D的深度d2表示为X2（％）。

33. 发明申请

US20050282403A1 Ceramic electronic device and the production method 失效
标题翻译：陶瓷电子器件及其制作方法
公开(公告)号：US20050282403A1
公开(公告)日：2005-12-22
申请号：US11150226
申请日：2005-06-13
申请人： Kazushige Ito , Daisuke Iwanaga , Akira Sato
发明人： Kazushige Ito , Daisuke Iwanaga , Akira Sato
IPC分类号： C04B35/49 , H01G4/12 , H01G4/30 , H01L21/31 , H01L21/469 , H01L23/58
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)O3 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.
摘要翻译：一种具有电介质层的陶瓷电子器件，其中所述电介质层包括含有（Ba，Ca（Ti，Zr）O 3 3 N基）材料和含有Si氧化物的副成分的主要成分;以及相对于整个电介质层，Si氧化物的含量为0〜0.4重量％（注意，不包括0）;优选地，电介质层具有偏析相;偏析相含有Si的氧化物，基本上不含 Li的氧化物，可以提供具有低IR缺陷率（初始绝缘电阻缺陷率），优异的高温负载寿命和高可靠性的诸如多层陶瓷电容器的陶瓷电子器件。

34. 发明申请

US20080293560A1 Ceramic electronic device and the production method 有权
标题翻译：陶瓷电子器件及其制作方法
公开(公告)号：US20080293560A1
公开(公告)日：2008-11-27
申请号：US12219594
申请日：2008-07-24
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： C04B35/10
CPC分类号： H01G4/10
摘要： A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of BamTiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a content of the Al compound is 0 to 4.0 moles (note that 0 is not included) in terms of Al2O3 with respect to 100 moles of the main component; and preferably, the dielectric layer includes a segregation phase, and the segregation phase includes an oxide of Al.
摘要翻译： 1.一种陶瓷电子器件，其特征在于，所述电介质层包括由组成式为BamTiO 2 + m表示的主成分，其中，“m”满足0.995≤m≤1.010，Ba与Ti的比例满足0.995 < Ba / Ti <= 1.010，以及包含Al的氧化物的副成分（第六副成分） Al化合物的含量相对于100摩尔主成分为0〜4.0摩尔（注意，不包括0）。并且优选地，电介质层包括偏析相，并且偏析相包括Al的氧化物。

35. 发明授权

US07307828B2 Electronic device, dielectric ceramic composition, and method of production of the same 有权
标题翻译：电子器件，介电陶瓷组合物及其制造方法
公开(公告)号：US07307828B2
公开(公告)日：2007-12-11
申请号：US11389075
申请日：2006-03-27
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： H01G4/06
CPC分类号： H01G4/1227 , B32B2311/22 , C04B35/4682 , C04B35/6303 , C04B35/64 , C04B2235/3203 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3239 , C04B2235/3241 , C04B2235/3244 , C04B2235/3249 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/72 , C04B2235/79 , C04B2237/346 , C04B2237/405 , H01G4/30
摘要： A dielectric ceramic position having at least a main component including barium titanate, a first subcomponent including at least one type of compound selected from MgO, CaO, BaO, a SrO, a second subcomponent including at least one type of compound selected from Al2O3, Li2O, and B2O3, a third subcomponent including at least one type of compound selected from V2O5, MoO3, and WO3, a fourth subcomponent including an oxide of R1 (where R1 is at least one type of element selected from Sc, Er, Tm, Yb, and Lu), and a fifth subcomponent including CaZrO3 or CaO+ZrO2.
摘要翻译：具有至少包含钛酸钡的主要成分的电介质陶瓷位置，包含至少一种选自MgO，CaO，BaO，SrO的化合物的第一副成分，第二副成分，其包含至少一种选自Al _{2个O 3，3个2个O 2和2个2个O 3，第三个次要组分包括至少一种选自V 2 O 5，MoO 3和WO 3的化合物，a，包括R1的氧化物（其中R1是选自Sc，Er，Tm，Yb和Lu中的至少一种元素）的第四副成分和包含CaZrO 3或CaO + ZrO 3的第五副成分， SUB> 2 。}

36. 发明申请

US20070155613A1 Dielectric ceramic composition, electronic device, and multilayer ceramic capacitor 审中-公开
标题翻译：介电陶瓷组合物，电子器件和多层陶瓷电容器
公开(公告)号：US20070155613A1
公开(公告)日：2007-07-05
申请号：US11604741
申请日：2006-11-28
申请人： Kazushige Ito , Akira Sato , Akitoshi Yoshii , Masayuki Okabe , Atsushi Takeda , Takaki Shinkawa
发明人： Kazushige Ito , Akira Sato , Akitoshi Yoshii , Masayuki Okabe , Atsushi Takeda , Takaki Shinkawa
IPC分类号： C04B35/468
CPC分类号： H01G4/1227 , C04B35/468 , C04B35/6262 , C04B35/62675 , C04B35/62685 , C04B35/62805 , C04B35/62807 , C04B35/638 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3236 , C04B2235/3239 , C04B2235/3248 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/6562 , C04B2235/6567 , C04B2235/6582 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/78 , C04B2235/785 , H01G4/30
摘要： A dielectric ceramic composition comprised of at least dielectric particles having barium titanate as its main ingredient, wherein the ratio of dielectric particles having a surface diffusion structure comprised of a main ingredient phase comprised of the main ingredient and a diffusion phase present around the ingredient phase with respect to said dielectric particles is 60% or more the ratio of dielectric particles having a domain in the main ingredient phase with respect to the dielectric particles having the surface diffusion structure is 20% or less. According to the present invention, a dielectric ceramic composition and electric device realizing good high temperature accelerated life can be provided.
摘要翻译：一种电介质陶瓷组合物，其至少包括具有钛酸钡作为主要成分的电介质颗粒，其中具有表面扩散结构的电介质颗粒的比例包括主要成分相和成分相周围存在的扩散相，相对于所述介电粒子，相对于具有表面扩散结构的电介质粒子，在主成分相中具有畴的电介质粒子的比例为20％以下为60％以上。根据本发明，可以提供实现良好的高温加速寿命的电介质陶瓷组合物和电气装置。

37. 发明申请

US20060160693A1 Dielectric ceramic composition and electronic device 有权
标题翻译：介电陶瓷组合物和电子器件
公开(公告)号：US20060160693A1
公开(公告)日：2006-07-20
申请号：US11332124
申请日：2006-01-17
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： C04B35/468
CPC分类号： C04B35/4682 , B32B18/00 , C04B35/62645 , C04B35/62685 , C04B35/6303 , C04B35/64 , C04B2235/3203 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3239 , C04B2235/3241 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3286 , C04B2235/3287 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/658 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2237/12 , C04B2237/40 , C04B2237/704 , C04B2237/706 , H01G4/1227 , H01G4/30
摘要： A dielectric ceramic composition comprising a predetermined main component and a fifth subcomponent including an oxide of A (note that A is at least one king selected from a cation element group having an effective ionic radius of 0.065 nm to 0.085 nm at the time of 6 coordination); and the dielectric ceramic composition comprises a plurality of crystal grains including Ca elements and, when assuming that an average value of a concentration of entire Ca exiting in said respective crystal grains is grain Ca concentration, at least unevenness exists in said grain Ca concentration between said crystal grains and it is 5% or higher in a CV value.
摘要翻译：一种介电陶瓷组合物，其包含预定的主要成分和包含A的氧化物的第五副成分（注意，A是选自六个配位时的有效离子半径为0.065nm至0.085nm的阳离子元素基团中的至少一个王）; 所述电介质陶瓷组合物包含多个包含Ca元素的晶粒，并且当假定所述各晶粒中离开的整个Ca的浓度的平均值为晶粒Ca浓度时，在所述晶粒Ca浓度之间至少存在不均匀性晶粒，CV值为5％以上。

38. 发明申请

US20060160692A1 Electronic device, dielectric ceramic composition and the production method 有权
标题翻译：电子器件，电介质陶瓷组合物及其制备方法
公开(公告)号：US20060160692A1
公开(公告)日：2006-07-20
申请号：US11332253
申请日：2006-01-17
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： C04B35/468
CPC分类号： H01G4/1227 , B32B2311/22 , C04B35/4682 , C04B35/49 , C04B35/64 , C04B2235/3203 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3241 , C04B2235/3244 , C04B2235/3249 , C04B2235/3256 , C04B2235/3258 , C04B2235/3262 , C04B2235/3409 , C04B2235/3418 , C04B2235/3436 , C04B2235/3454 , C04B2235/5436 , C04B2235/5445 , C04B2235/5463 , C04B2235/658 , C04B2235/6584 , C04B2235/6588 , C04B2235/663 , C04B2235/768 , C04B2237/346 , C04B2237/405 , H01G4/30
摘要： A dielectric ceramic composition comprising a main component including Ba, Ca and Ti and having a perovskite crystal structure expressed by a general formula ABO3 and a fourth subcomponent including a compound of Zr; wherein a content of the fourth subcomponent with respect to 100 moles of the main component is larger than 0 mole and smaller than 5 moles in terms of Zr and, preferably, a segregation phase including the compound of Zr is provided.
摘要翻译：一种电介质陶瓷组合物，其包含主要成分包括Ba，Ca和Ti，并具有由通式ABO 3 3表示的钙钛矿晶体结构和包含Zr化合物的第四副成分; 其中相对于100摩尔主要成分的第四副成分的含量以Zr为大于0摩尔且小于5摩尔，并且优选提供包含Zr化合物的偏析相。

39. 发明申请

US20060116273A1 Dielectric ceramic composition and electronic device 有权
标题翻译：介电陶瓷组合物和电子器件
公开(公告)号：US20060116273A1
公开(公告)日：2006-06-01
申请号：US11288319
申请日：2005-11-29
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： 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.
摘要翻译：本发明的目的是提供一种具有高介电常数，良好温度特性和改进的IR温度依赖性的多层陶瓷电容器。根据本发明，电容器装置主体10，其中包含电介质陶瓷组合物和内部电极层3的电介质层2交替层叠，其特征在于，所述介电陶瓷组合物包含多个晶体颗粒2，其中所述晶体颗粒2 形成Ca分散区域25a，其中至少所述Ca从晶体颗粒的表面到内部分散，并且当考虑平均粒径为D50的晶体颗粒2 a时，所述Ca分散区域的平均深度T被控制在提供相对于D50的平均粒径为10〜30％的范围。

40. 发明申请

US20060088719A1 Ceramic electronic device and production method thereof 有权
标题翻译：陶瓷电子器件及其制造方法
公开(公告)号：US20060088719A1
公开(公告)日：2006-04-27
申请号：US11247180
申请日：2005-10-12
申请人： Kazushige Ito , Akira Sato
发明人： Kazushige Ito , Akira Sato
IPC分类号： B32B15/04 , B32B9/00 , B32B19/00
CPC分类号： H01G4/1218
摘要： A highly reliable ceramic electronic device having an excellent temperature characteristic of a capacitance and a low IR temperature dependency, comprising a dielectric layer: wherein the dielectric layer includes a main component expressed by a composition formula of BamTiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and, as subcomponents, an oxide of Al and an oxide of Si or an oxide of R (note that R is at least one kind selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu); and includes a secondary phase composed of at least a part of the oxide of Al and at least a part of the oxide of Si or the oxide of R and being different from a main phase mainly composed of the main component; and the production method are provided.
摘要翻译：一种具有优异的电容温度特性和低IR温度依赖性的高度可靠的陶瓷电子器件，包括电介质层：其中所述电介质层包括由组成式Ba≠TiO 2表示的主要成分其中“m”满足0.995 <= m <= 1.010，Ba和Ti的比例满足0.995 <= Ba / Ti <= 1.010，作为次要成分的Al的氧化物和Si的氧化物或R的氧化物（注意，R为选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm中的至少一种，Yb和Lu）; 并且包括由Al的氧化物的至少一部分和Si的氧化物的至少一部分或R的氧化物组成的第二相，并且与主要由主要成分构成的主相不同; 并提供制造方法。

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