公开(公告)号：US08748329B2

公开(公告)日：2014-06-10

申请号：US13714467

申请日：2012-12-14

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Masanori Nakamura ,  Masahiro Otsuka ,  Shoichiro Suzuki ,  Koichi Banno ,  Taisuke Kanzaki ,  Akihiro Shiota

IPC: C04B35/468 ,  H01G4/06

CPC classification number: C04B35/48 ,  C04B35/4682 ,  C04B35/49 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3244 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/656 ,  C04B2235/768 ,  C04B2235/79 ,  H01B3/12 ,  H01G4/1227 ,  H01G4/1245 ,  H01G4/30

Abstract: A dielectric ceramic composition that contains, as its main constituent, (Ba1-x-yCaxSry)(Ti1-z-wZrzHfw)O3 (in the formula, 0≦x+y≦0.2, 0≦z+w≦0.1), and contains CuO and Bi2O3, and the dielectric ceramic composition has a feature that the total content of the CuO and Bi2O3 is 10 parts by weight or more with respect to 100 parts by weight of the main constituent, and the molar ratio CuO/(CuO+Bi2O3) is 0.5 or less.

Abstract translation: 作为其主要成分的（Ba1-x-yCaxSry）（Ti1-z-wZrzHfw）O3（式中，0＆lt; nlE; x + y＆nlE; 0.2,0＆nlE; z + w＆nlE; 0.1）的电介质陶瓷组合物， 含有CuO和Bi2O3，电介质陶瓷组合物的特征在于，相对于主要成分为100重量份，CuO和Bi 2 O 3的总含量为10重量份以上，CuO /（CuO + Bi2O3）为0.5以下。

公开(公告)号：US20130107418A1

公开(公告)日：2013-05-02

申请号：US13714467

申请日：2012-12-14

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Masanori Nakamura ,  Masahiro Otsuka ,  Shoichiro Suzuki ,  Koichi Banno ,  Taisuke Kanzaki ,  Akihiro Shiota

IPC: C04B35/48 ,  H01G4/30

CPC classification number: C04B35/48 ,  C04B35/4682 ,  C04B35/49 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3244 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/656 ,  C04B2235/768 ,  C04B2235/79 ,  H01B3/12 ,  H01G4/1227 ,  H01G4/1245 ,  H01G4/30

Abstract: A dielectric ceramic composition that contains, as its main constituent, (Ba1-x-yCaxSry)(Ti1-z-wZrzHfw)O3 (in the formula, 0≦x+y≦0.2, 0≦z+w≦0.1), and contains CuO and Bi2O3, and the dielectric ceramic composition has a feature that the total content of the CuO and Bi2O3 is 10 parts by weight or more with respect to 100 parts by weight of the main constituent, and the molar ratio CuO/(CuO+Bi2O3) is 0.5 or less.

Abstract translation: 作为其主要成分的（Ba1-x-yCaxSry）（Ti1-z-wZrzHfw）O3（式中，0 @ x + y @ 0.2,0 @ z + w @ 0.1）的电介质陶瓷组合物和 含有CuO和Bi2O3，电介质陶瓷组合物的特征在于，相对于主要成分为100重量份，CuO和Bi 2 O 3的总含量为10重量份以上，CuO /（CuO + Bi2O3）为0.5以下。

公开(公告)号：US11948754B2

公开(公告)日：2024-04-02

申请号：US17501001

申请日：2021-10-14

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Shingo Ito ,  Koichi Ikeda ,  Ken Takakura ,  Satoshi Yoshida ,  Syuichi Nabekura ,  Takahiro Hirao ,  Masanori Nakamura ,  Kyosuke Uno ,  Haruhiko Ueno ,  Yohei Mukobata

IPC: H01G4/35 ,  H01G4/232

CPC classification number: H01G4/35 ,  H01G4/232

Abstract: A three-terminal capacitor includes a main body having a cylindrical or substantially cylindrical shape extending in a first direction and including first and second inner electrodes alternately laminated together with dielectric layers interposed therebetween, a pair of first outer electrodes on two end surfaces of the main body in the first direction and electrically connected to the first inner electrodes, and a second outer electrode electrically connected to the second inner electrodes. The main body includes a projecting portion projecting in a direction perpendicular or substantially perpendicular to the first direction at a position between the pair of first outer electrodes. The second outer electrode is provided on one surface of the projecting portion viewable when viewed in the first direction.

公开(公告)号：US20130342958A1

公开(公告)日：2013-12-26

申请号：US14011499

申请日：2013-08-27

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Shoichiro Suzuki ,  Koichi Banno ,  Akihiro Shiota ,  Masahiro Otsuka ,  Taisuke Kanzaki ,  Masanori Nakamura

IPC: H01G4/12 ,  H01G4/30 ,  H01B3/12

CPC classification number: H01G4/1227 ,  B82Y30/00 ,  C04B35/4682 ,  C04B35/62675 ,  C04B35/62685 ,  C04B35/638 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/44 ,  C04B2235/5454 ,  C04B2235/781 ,  C04B2235/785 ,  H01B3/12 ,  H01G4/1236 ,  H01G4/30

Abstract: A dielectric ceramic that can be sintered at a sufficiently low temperature and has a desired specific resistance at a high temperature, and a multilayer ceramic electronic component (a multilayer ceramic capacitor and the like) using the dielectric ceramic are provided. The multilayer ceramic capacitor includes a multilayer body having a plurality of laminated dielectric ceramic layers, and a plurality of internal electrodes at interfaces between the dielectric ceramic layers; and external electrodes 8 and 9 on outer surfaces of the multilayer body. The composition of the multilayer body includes a perovskite-type compound containing Ba and Ti (where a part of Ba may be substituted by Ca, and a part of Ti may be substituted by Zr) as a primary ingredient, and further includes M (where M is at least one of Cu, Zn, Li, K, and Na) and Bi. The total content of M and Bi is equal to or greater than 3 molar parts when the total content of Ti and Zr is 100 molar parts. The crystal particle size of the dielectric ceramic is 30 nm or more and 150 nm or less.

Abstract translation: 提供可以在足够低的温度下烧结并且在高温下具有所需电阻率的电介质陶瓷，以及使用电介质陶瓷的多层陶瓷电子部件（多层陶瓷电容器等）。 多层陶瓷电容器包括具有多个层压电介质陶瓷层的多层体和在介电陶瓷层之间的界面处的多个内部电极; 以及在多层体的外表面上的外部电极8和9。 多层体的组成包括含有Ba和Ti（其中Ba的一部分可以被Ca取代，Ti的一部分可以被Zr取代）的钙钛矿型化合物作为主要成分，并且还包括M（其中 M是Cu，Zn，Li，K和Na中的至少一种）和Bi。 当Ti和Zr的总含量为100摩尔份数时，M和Bi的总含量等于或大于3摩尔份。 电介质陶瓷的结晶粒径为30nm以上且150nm以下。

公开(公告)号：US20130194717A1

公开(公告)日：2013-08-01

申请号：US13803925

申请日：2013-03-14

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Shoichiro Suzuki ,  Masanori Nakamura ,  Koichi Banno ,  Taisuke Kanzaki ,  Akihiro Shiota ,  Masahiro Otsuka

IPC: H01G4/30 ,  H01G4/00 ,  C04B35/468

CPC classification number: H01G4/30 ,  C01G25/006 ,  C01G29/006 ,  C04B35/468 ,  C04B35/4682 ,  C04B35/49 ,  C04B35/62685 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3248 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/6562 ,  C04B2235/768 ,  C04B2235/79 ,  H01B3/12 ,  H01G4/00 ,  H01G4/1227

Abstract: A dielectric ceramic enabling low-temperature firing and exhibiting good dielectric characteristics, and a stack ceramic electronic component using the same are provided. The dielectric ceramic containing (Ba1-x-yCaxSry)m(Ti1-zZrz)O3 (1.005≦m≦1.2, 0≦x+y≦0.2, and 0≦z≦0.2) as a major component and an amount of Bi relative to 100 parts by mol of the major component which is 1.0 part by mol or more and 40 parts by mol or less.

Abstract translation: 提供能够进行低温烧制并且具有良好的介电特性的电介质陶瓷，以及使用其的叠层陶瓷电子元件。 含有（Ba1-x-yCaxSry）m（Ti1-zZrz）O3（1.005 @ m @ 1.2,0 @ x + y @ 0.2和0 @ z @ 0.2）作为主要成分的电介质陶瓷和Bi相对量 至100摩尔份的主成分为1.0摩尔％以上且40摩尔份以下。

公开(公告)号：US09275797B2

公开(公告)日：2016-03-01

申请号：US14011499

申请日：2013-08-27

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Shoichiro Suzuki ,  Koichi Banno ,  Akihiro Shiota ,  Masahiro Otsuka ,  Taisuke Kanzaki ,  Masanori Nakamura

IPC: H01G4/12 ,  H01B3/12 ,  C04B35/468 ,  C04B35/626 ,  C04B35/638 ,  H01G4/30 ,  B82Y30/00

CPC classification number: H01G4/1227 ,  B82Y30/00 ,  C04B35/4682 ,  C04B35/62675 ,  C04B35/62685 ,  C04B35/638 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/44 ,  C04B2235/5454 ,  C04B2235/781 ,  C04B2235/785 ,  H01B3/12 ,  H01G4/1236 ,  H01G4/30

Abstract: A dielectric ceramic that can be sintered at a sufficiently low temperature and has a desired specific resistance at a high temperature, and a multilayer ceramic electronic component (a multilayer ceramic capacitor and the like) using the dielectric ceramic are provided. The multilayer ceramic capacitor includes a multilayer body having a plurality of laminated dielectric ceramic layers, and a plurality of internal electrodes at interfaces between the dielectric ceramic layers; and external electrodes 8 and 9 on outer surfaces of the multilayer body. The composition of the multilayer body includes a perovskite-type compound containing Ba and Ti (where a part of Ba may be substituted by Ca, and a part of Ti may be substituted by Zr) as a primary ingredient, and further includes M (where M is at least one of Cu, Zn, Li, K, and Na) and Bi. The total content of M and Bi is equal to or greater than 3 molar parts when the total content of Ti and Zr is 100 molar parts. The crystal particle size of the dielectric ceramic is 30 nm or more and 150 nm or less.

Abstract translation: 提供可以在足够低的温度下烧结并且在高温下具有所需电阻率的电介质陶瓷，以及使用电介质陶瓷的多层陶瓷电子部件（多层陶瓷电容器等）。 多层陶瓷电容器包括具有多个层压电介质陶瓷层的多层体和在介电陶瓷层之间的界面处的多个内部电极; 以及在多层体的外表面上的外部电极8和9。 多层体的组成包括含有Ba和Ti（其中Ba的一部分可以被Ca取代，Ti的一部分可以被Zr取代）的钙钛矿型化合物作为主要成分，并且还包括M（其中 M是Cu，Zn，Li，K和Na中的至少一种）和Bi。 当Ti和Zr的总含量为100摩尔份数时，M和Bi的总含量等于或大于3摩尔份。 电介质陶瓷的结晶粒径为30nm以上且150nm以下。

公开(公告)号：US09064638B2

公开(公告)日：2015-06-23

申请号：US13803925

申请日：2013-03-14

Applicant: MURATA MANUFACTURING CO., LTD.

Inventor： Shoichiro Suzuki ,  Masanori Nakamura ,  Koichi Banno ,  Taisuke Kanzaki ,  Akihiro Shiota ,  Masahiro Otsuka

IPC: C04B35/468 ,  H01G4/06 ,  H01G4/30 ,  C04B35/49 ,  H01B3/12 ,  H01G4/12 ,  H01G4/00 ,  C04B35/626 ,  C01G25/00 ,  C01G29/00

CPC classification number: H01G4/30 ,  C01G25/006 ,  C01G29/006 ,  C04B35/468 ,  C04B35/4682 ,  C04B35/49 ,  C04B35/62685 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3248 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/6562 ,  C04B2235/768 ,  C04B2235/79 ,  H01B3/12 ,  H01G4/00 ,  H01G4/1227

Abstract: A dielectric ceramic enabling low-temperature firing and exhibiting good dielectric characteristics, and a stack ceramic electronic component using the same are provided. The dielectric ceramic containing (Ba1-x-yCaxSry)m(Ti1-zZrz)O3 (1.005≦m≦1.2, 0≦x+y≦0.2, and 0≦z≦0.2) as a major component and an amount of Bi relative to 100 parts by mol of the major component which is 1.0 part by mol or more and 40 parts by mol or less.

Abstract translation: 提供能够进行低温烧制并且具有良好的介电特性的电介质陶瓷，以及使用其的叠层陶瓷电子元件。 含有（Ba1-x-yCaxSry）m（Ti1-zZrz）O3（1.005＆nlE; m＆nlE; 1.2,0＆nlE; x + y＆nlE; 0.2和0＆amp; nlE; z＆nlE; 0.2）的介电陶瓷作为主要成分， 相对于100份（摩尔）为1.0份摩尔以上且40份（摩尔）以下的主成分。