公开(公告)号：US08492302B2

公开(公告)日：2013-07-23

申请号：US13137703

申请日：2011-09-06

申请人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

发明人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

IPC分类号： C04B35/468 ,  H01G4/12

CPC分类号： H01G4/1227 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/47 ,  C04B35/48 ,  C04B35/632 ,  C04B35/6342 ,  C04B35/638 ,  C04B2235/3206 ,  C04B2235/3224 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/5445 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6567 ,  C04B2235/6588 ,  C04B2235/662

摘要： A dielectric ceramic composition includes a compound having perovskite type crystal structure shown by a general formula ABO3, where A is at least one selected from Ba, Ca and Sr, and B is at least one selected from Ti and Zr. The dielectric ceramic composition includes, as subcomponents, an oxide of RA (Dy, Gd and Tb); an oxide of RB (Ho and Y); an oxide of RC (Yb and Lu); Mg oxide and an oxide including Si in terms of RA2O3, RB2O3, RC2O3, Mg and Si, respectively. Also, when contents of the oxide of RA, RB and RC with respect to 100 moles of the compound are defined as “α”, “β” and “γ”, respectively, they satisfy relations of 1.2≦(α/β)≦5.0 and 0.5≦(β/γ)≦10.0.

摘要翻译： 电介质陶瓷组合物包括具有通式ABO 3所示的钙钛矿型晶体结构的化合物，其中A为选自Ba，Ca和Sr中的至少一种，B为选自Ti和Zr中的至少一种。 电介质陶瓷组合物包含作为副成分的RA（Dy，Gd和Tb）的氧化物; RB（Ho和Y）的氧化物; RC（Yb和Lu）的氧化物; Mg氧化物和包含Si的氧化物分别为RA2O3，RB2O3，RC2O3，Mg和Si。 另外，当相对于100摩尔化合物的RA，RB和RC的氧化物的含量分别被定义为“α”，“β”和“γ”时，它们满足1.2 @（α/β）@ 5.0和0.5 @（β/γ）@ 10.0。

公开(公告)号：US20110216473A1

公开(公告)日：2011-09-08

申请号：US13037739

申请日：2011-03-01

申请人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

发明人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

IPC分类号： H01G4/06 ,  C04B35/48 ,  C04B35/465 ,  C04B35/47 ,  C04B35/468

CPC分类号： C04B35/4682 ,  C04B2235/3206 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6584 ,  C04B2235/6588 ,  H01G4/1227 ,  H01G4/1245

摘要： A dielectric ceramic composition includes a compound having perovskite type crystal structure shown by a general formula ABO3, where A is at least one selected from Ba, Ca and Sr, and B is at least one selected from Ti and Zr, as a main component. The dielectric ceramic composition includes, as subcomponents, with respect to 100 moles of the compound, 1.0 to 2.5 moles of an oxide of RA (Dy, Gd and Tb); 0.2 to 1.0 mole of an oxide of RB (Ho and Y); 0.1 to 1.0 mole of an oxide of RC (Yb and Lu); 0.8 to 2.0 moles of Mg oxide and 1.2 to 3.0 moles of an oxide including Si in terms of RA2O3, RB2O3, RC2O3, Mg and Si, respectively. Also, when contents of the oxide of RA, RB and RC with respect to 100 moles of the compound are defined as “α”, “β” and “γ”, respectively, the “α”, “β” and “γ” satisfy relations of 2.5≦(α/β)≦5.0 and 1.0≦(β/γ)≦10.0. According to the present invention, a dielectric ceramic composition having good properties can be provided.

摘要翻译： 介电陶瓷组合物包括具有通式ABO 3所示的钙钛矿型晶体结构的化合物，其中A为选自Ba，Ca和Sr中的至少一种，B为选自Ti和Zr中的至少一种为主要成分。 电介质陶瓷组合物作为副成分，相对于100摩尔的化合物，为1.0〜2.5摩尔的RA（Dy，Gd，Tb）的氧化物。 0.2〜1.0摩尔的RB（Ho和Y）的氧化物; 0.1〜1.0摩尔的RC（Yb和Lu）的氧化物; 0.8〜2.0摩尔的氧化镁和1.2〜3.0摩尔的氧化物，分别以RA2O3，RB2O3，RC2O3，Mg，Si为基准。 另外，当将RA，RB和RC的氧化物相对于100摩尔化合物的含量分别定义为“α”，“bgr”和“γ”时，“α”，“bgr”和“ γ“满足2.5＆nlE的关系;（α/＆bgr;）＆nlE; 5.0和1.0＆nlE;（＆bgr; /γ）＆nlE; 10.0。 根据本发明，可以提供具有良好性能的电介质陶瓷组合物。

公开(公告)号：US08492301B2

公开(公告)日：2013-07-23

申请号：US13037739

申请日：2011-03-01

申请人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

发明人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

IPC分类号： C04B35/468 ,  H01G4/12

CPC分类号： C04B35/4682 ,  C04B2235/3206 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6584 ,  C04B2235/6588 ,  H01G4/1227 ,  H01G4/1245

摘要： A dielectric ceramic composition includes a compound having perovskite type crystal structure shown by a general formula ABO3, where A is at least one selected from Ba, Ca and Sr, and B is at least one selected from Ti and Zr, as a main component. The dielectric ceramic composition includes, as subcomponents, with respect to 100 moles of the compound, 1.0 to 2.5 moles of an oxide of RA (Dy, Gd and Tb); 0.2 to 1.0 mole of an oxide of RB (Ho and Y); 0.1 to 1.0 mole of an oxide of RC (Yb and Lu); 0.8 to 2.0 moles of Mg oxide and 1.2 to 3.0 moles of an oxide including Si in terms of RA2O3, RB2O3, RC2O3, Mg and Si, respectively. Also, when contents of the oxide of RA, RB and RC with respect to 100 moles of the compound are defined as “α”, “β” and “γ”, respectively, the “α”, “β” and “γ” satisfy relations of 2.5≦(α/β)≦5.0 and 1.0≦(β/γ)≦10.0. According to the present invention, a dielectric ceramic composition having good properties can be provided.

摘要翻译： 介电陶瓷组合物包括具有通式ABO 3所示的钙钛矿型晶体结构的化合物，其中A为选自Ba，Ca和Sr中的至少一种，B为选自Ti和Zr中的至少一种为主要成分。 电介质陶瓷组合物作为副成分，相对于100摩尔的化合物，为1.0〜2.5摩尔的RA（Dy，Gd，Tb）的氧化物。 0.2〜1.0摩尔的RB（Ho和Y）的氧化物; 0.1〜1.0摩尔的RC（Yb和Lu）的氧化物; 0.8〜2.0摩尔的氧化镁和1.2〜3.0摩尔的氧化物，分别以RA2O3，RB2O3，RC2O3，Mg，Si为基准。 此外，当相对于100摩尔化合物的RA，RB和RC的氧化物的含量分别被定义为“α”，“β”和“γ”时，“α”，“β”和“γ” 满足2.5 @（α/β）@ 5.0和1.0 @（beta / gamma）@ 10.0的关系。 根据本发明，可以提供具有良好性能的电介质陶瓷组合物。

公开(公告)号：US20120063056A1

公开(公告)日：2012-03-15

申请号：US13137703

申请日：2011-09-06

申请人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

发明人： Kosuke Takano ,  Tomohisa Fukuoka ,  Makoto Maeda ,  Yuhta Matsunaga ,  Masahide Ishizuya ,  Tamotsu Ishiyama ,  Takahiro Yamada

IPC分类号： H01G4/12 ,  C04B35/48 ,  C04B35/47 ,  C04B35/468 ,  C04B35/465

CPC分类号： H01G4/1227 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/47 ,  C04B35/48 ,  C04B35/632 ,  C04B35/6342 ,  C04B35/638 ,  C04B2235/3206 ,  C04B2235/3224 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/5445 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6567 ,  C04B2235/6588 ,  C04B2235/662

摘要： A dielectric ceramic composition includes a compound having perovskite type crystal structure shown by a general formula ABO3, where A is at least one selected from Ba, Ca and Sr, and B is at least one selected from Ti and Zr. The dielectric ceramic composition includes, as subcomponents, an oxide of RA (Dy, Gd and Tb); an oxide of RB (Ho and Y); an oxide of RC (Yb and Lu); Mg oxide and an oxide including Si in terms of RA2O3, RB2O3, RC2O3, Mg and Si, respectively. Also, when contents of the oxide of RA, RB and RC with respect to 100 moles of the compound are defined as “α”, “β” and “γ”, respectively, they satisfy relations of 1.2≦(α/β)≦5.0 and 0.5≦(β/γ)≦10.0.

摘要翻译： 电介质陶瓷组合物包括具有通式ABO 3所示的钙钛矿型晶体结构的化合物，其中A为选自Ba，Ca和Sr中的至少一种，B为选自Ti和Zr中的至少一种。 电介质陶瓷组合物包含作为副成分的RA（Dy，Gd和Tb）的氧化物; RB（Ho和Y）的氧化物; RC（Yb和Lu）的氧化物; Mg氧化物和包含Si的氧化物分别为RA2O3，RB2O3，RC2O3，Mg和Si。 另外，当将RA，RB和RC的氧化物相对于100摩尔的化合物的含量分别定义为“α”，“bgr”和“γ”时，它们的关系为1.2＆nlE;（α/ bg ;）＆nlE; 5.0和0.5＆nlE;（＆bgr; /γ）＆nlE; 10.0。