公开(公告)号：US20180082793A1

公开(公告)日：2018-03-22

申请号：US15703724

申请日：2017-09-13

Applicant: TDK CORPORATION

Inventor： Fumiaki SATOH ,  Takehisa TAMURA ,  Yuma HATTORI ,  Toru ONOUE ,  Daisuke HIMETA ,  Ken MORITA ,  Takuto OKAMOTO

IPC: H01G4/35 ,  H01G4/228 ,  H01G4/12 ,  H01G4/005

Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. A second external electrode is disposed on the element body and positioned between the pair of first external electrodes. The second external electrode includes a first conductor part disposed on the first side surface. A depression is formed in the first conductor part.

公开(公告)号：US20160284475A1

公开(公告)日：2016-09-29

申请号：US15040358

申请日：2016-02-10

Applicant: TDK CORPORATION

Inventor： Toru ONOUE ,  Kenta YAMASHITA ,  Yuma HATTORI

IPC: H01G4/30 ,  H01G4/224 ,  H01G4/12 ,  H01G4/012

CPC classification number: H01G4/30 ,  H01G4/12 ,  H01G4/232

Abstract: An element body includes a pair of principal surfaces, a pair of side surfaces, and another pair of side surfaces. Each of a pair of terminal electrodes includes a first electrode portion disposed on the principal surface and a second electrode portion disposed on the side surface. In the element body, a length in a direction in which the pair of principal surfaces oppose each other is smaller than a length in a direction in which the pair of side surfaces oppose each other and smaller than a length in a direction in which the other pair of side surfaces oppose each other. An arithmetic mean deviation of the surface of the first electrode portion is from 0.20 to 0.26 μm. An arithmetic mean deviation of the surface of the second electrode portion is from 0.27 to 0.38 μm.

Abstract translation: 元件主体包括一对主表面，一对侧表面和另一对侧表面。 一对端子电极中的每一个包括设置在主表面上的第一电极部分和设置在侧表面上的第二电极部分。 在元件主体中，一对主表面相对的方向上的长度小于一对侧面相对的方向上的长度，并且小于其他方向上的长度 一对侧面彼此相对。 第一电极部分的表面的算术平均偏差为0.20至0.26μm。 第二电极部的表面的算术平均偏差为0.27〜0.38μm。

公开(公告)号：US20180286583A1

公开(公告)日：2018-10-04

申请号：US15903976

申请日：2018-02-23

Applicant: TDK CORPORATION

Inventor： Toru ONOUE ,  Daisuke HIMETA ,  Hikaru HIRABAYASHI ,  Fumiaki SATOH ,  Yuma HATTORI ,  Takuto OKAMOTO

IPC: H01G4/01 ,  H01G4/35 ,  H01G4/30

CPC classification number: H01G4/35 ,  H01G4/012 ,  H01G4/12 ,  H01G4/232 ,  H01G4/2325 ,  H01G4/30

Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.

公开(公告)号：US20180082792A1

公开(公告)日：2018-03-22

申请号：US15703632

申请日：2017-09-13

Applicant: TDK CORPORATION

Inventor： Fumiaki SATOH ,  Takehisa TAMURA ,  Yuma HATTORI ,  Toru ONOUE ,  Daisuke HIMETA ,  Ken MORITA ,  Takuto OKAMOTO

IPC: H01G4/35 ,  H01G4/228 ,  H01G4/005 ,  H01G4/12

CPC classification number: H01G4/35 ,  H01G2/06 ,  H01G4/005 ,  H01G4/12 ,  H01G4/228 ,  H01G4/232 ,  H01G4/2325 ,  H01G4/30

Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the third direction is shorter than that of the element body in the first direction and is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. Each of the first external electrodes includes a first conductor part disposed on one main surface and a second conductor part disposed on the end surface and coupled to the first conductor part. The porosity of the first conductor part is smaller than that of the second conductor part.