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1. 发明公开

US20240194406A1 CERAMIC ELECTRONIC COMPONENT, TAPED PACKAGE, CIRCUIT BOARD, AND METHOD FOR MANUFACTURING CERAMIC ELECTRONIC COMPONENT 审中-公开
公开(公告)号：US20240194406A1
公开(公告)日：2024-06-13
申请号：US18532597
申请日：2023-12-07
申请人： TAIYO YUDEN CO., LTD.
发明人： Yusuke KOWASE , Yuji TAKITA , Maiko YAMANE
IPC分类号： H01G4/012 , H01G2/06 , H01G4/008 , H01G4/232 , H01G4/30 , H05K1/18
CPC分类号： H01G4/012 , H01G2/065 , H01G4/0085 , H01G4/2325 , H01G4/30 , H05K1/181 , H05K2201/10015
摘要： A ceramic electronic component, in which a dimension in a first direction being equal to or greater than 1.3 times a dimension in a second direction perpendicular to the first direction, includes a multilayer chip having a plurality of internal electrode layers stacked in the first direction; and a pair of external electrodes provided on a first end surface and a second end surface, wherein in each of the plurality of internal electrode layers, a width of a connecting portion thereof connected to the corresponding external electrode in the second direction is narrower than a width of other regions of the internal electrode layer, and wherein in at least two adjacent internal electrode layers connected to the same one of the pair of external electrodes, side edges of the connecting portions in the second direction are shifted in position with respect to each other in the second direction.

2. 发明申请

US20200294720A1 MULTI-LAYER CERAMIC ELECTRONIC COMPONENT AND METHOD OF PRODUCING THE SAME 审中-公开
公开(公告)号：US20200294720A1
公开(公告)日：2020-09-17
申请号：US16814772
申请日：2020-03-10
申请人： TAIYO YUDEN CO., LTD.
发明人： Yusuke KOWASE
IPC分类号： H01G4/30 , H01G4/12 , H01G4/012
摘要： A multi-layer ceramic electronic component includes a multi-layer unit and a side margin. The multi-layer unit includes a functional unit including internal electrodes laminated in a first direction, and a pair of covers that covers the functional unit from both sides in the first direction, the multi-layer unit satisfying a relationship of (2*t2)/t1>0.6, where t1 represents a dimension of the functional unit in the first direction and t2 represents a dimension of each of the pair of covers in the first direction. The side margin covers the multi-layer unit in a second direction orthogonal to the first direction.

3. 发明申请

US20160284471A1 MULTILAYER CERAMIC CAPACITOR 审中-公开
标题翻译：多层陶瓷电容器
公开(公告)号：US20160284471A1
公开(公告)日：2016-09-29
申请号：US15072166
申请日：2016-03-16
申请人： TAIYO YUDEN CO., LTD.
发明人： Kotaro MIZUNO , Yukihiro KONISHI , Shohei KITAMURA , Yoichi KATO , Yusuke KOWASE , Toru MAKINO , Yoshinori TANAKA
IPC分类号： H01G4/012 , H01G4/248 , H01G4/12 , H01G4/30
CPC分类号： H01G4/30 , H01G4/0085 , H01G4/1227 , H01G4/232
摘要： A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities and which has a pair of principle faces, a pair of end faces, and a pair of side faces, wherein the multilayer ceramic capacitor is such that: external electrodes are formed on the pair of end faces and one principle face of the element body; and on a cross section taken in parallel with one end face of the multilayer ceramic capacitor near the end face, the ratio of area A constituted by the internal electrode layers connected to the external electrode on this end face side and the dielectric layers present between the internal electrode layers, and area B covering the part of the section excluding the external electrodes, A/B, is 0.75 or more.
摘要翻译：多层陶瓷电容器包括大致矩形的实心形状的元件体，其由交替层叠有具有不同极性的内部电极层并且具有一对主面，一对端面和一对侧面的电介质层构成，其中所述多层陶瓷电容器是这样的：外部电极形成在所述元件体的所述一对端面和一个原理面上; 并且在靠近端面的多层陶瓷电容器的一个端面平行截取的截面上，由连接到该端面侧的外部电极的内部电极层构成的面积A与存在于内部电极层和覆盖除外部电极A / B之外的部分的区域B为0.75以上。

4. 发明申请

US20220301772A1 MULTILAYER CERAMIC CAPACITOR, A METHOD OF MANUFACTURING THE SAME AND A SUBSTRATE ARRANGEMENT 有权
公开(公告)号：US20220301772A1
公开(公告)日：2022-09-22
申请号：US17687471
申请日：2022-03-04
申请人： TAIYO YUDEN CO., LTD.
发明人： Yusuke KOWASE
IPC分类号： H01G4/012 , H01G4/30 , H01G4/248 , H01G4/232
摘要： A multilayer ceramic capacitor includes an element body and a pair of external electrodes. The element body includes a laminate. The laminate has a plurality of inner electrode layers stacked via dielectric layers. A height of the laminate in a stacking direction of the inner electrode layers is greater than a width of each of the inner electrode layers. The two external electrodes are formed on the element body such that one of the two external electrodes is connected to every other ones of the inner electrode layers and the other external electrode is connected to the remaining every other ones of the inner electrode layers.

5. 发明申请

US20160293331A1 MULTILAYER CERAMIC CAPACITOR 审中-公开
标题翻译：多层陶瓷电容器
公开(公告)号：US20160293331A1
公开(公告)日：2016-10-06
申请号：US15084303
申请日：2016-03-29
申请人： TAIYO YUDEN CO., LTD.
发明人： Shohei KITAMURA , Yukihiro KONISHI , Kotaro MIZUNO , Yoichi KATO , Yusuke KOWASE , Toru MAKINO , Yoshinori TANAKA
IPC分类号： H01G4/248 , H01G4/232 , H01G4/30
CPC分类号： H01G4/232 , H01G4/12 , H01G4/30
摘要： A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities, with a pair of cover layers formed on it to cover the top and bottom faces in the direction of lamination of the foregoing, and which has a pair of principal faces, a pair of end faces, and a pair of side faces, wherein external electrodes are formed on the pair of end faces and at least one of the pair of principal faces of the element body, and Tt representing the thickness of the external electrode and Tc representing the thickness of the cover layer satisfy the relationship of Tt≦Tc. The multilayer ceramic capacitor has large capacitance and also exhibits excellent thermal shock resistance while sufficiently suppressing generation of cracks.
摘要翻译：多层陶瓷电容器包括大致矩形的实心形状的元件体，其由交替层叠有具有不同极性的内部电极层的电介质层构成，其上形成有一对覆盖层，以在层叠方向上覆盖顶面和底面并且其具有一对主面，一对端面和一对侧面，其中外部电极形成在所述一对端面上，并且所述元件的所述一对主面中的至少一个体和表示外部电极的厚度的Tt，表示覆盖层的厚度的Tc满足Tt≤Tc的关系。多层陶瓷电容器具有大的电容，并且在充分抑制裂纹的产生的同时也表现出优异的耐热冲击性。

6. 发明申请

US20130342957A1 DIELECTRIC CERAMIC, METHOD OF MANUFACTURING DIELECTRIC CERAMIC, AND MULTILAYER CERAMIC CAPACITOR 有权
标题翻译：介电陶瓷，制造电介质陶瓷的方法和多层陶瓷电容器
公开(公告)号：US20130342957A1
公开(公告)日：2013-12-26
申请号：US13921771
申请日：2013-06-19
申请人： TAIYO YUDEN CO., LTD.
发明人： Yukihiro KONISHI , Yusuke KOWASE , Kazumichi HIROI , Kotaro MIZUNO , Ayumu SATO
IPC分类号： H01G4/12
CPC分类号： H01G4/1218 , B32B18/00 , B82Y30/00 , C04B35/4682 , C04B2235/3236 , C04B2235/5445 , C04B2235/5454 , C04B2235/656 , C04B2235/6584 , C04B2235/663 , C04B2235/782 , C04B2235/784 , C04B2235/785 , C04B2237/346 , C04B2237/704 , H01G4/1209 , H01G4/1227 , H01G4/30
摘要： A dielectric ceramic whose primary component is an ABO3 compound (A contains Ba and B contains Ti) has a per-layer thickness of approx. 0.5 μm or less, where the volume ratio to all dielectric sintered grains of those whose grain size is in a range of 0.02 μm to 0.15 μm is adjusted to a grain size distribution of 1% to 10%. High dielectric constant and high reliability can be achieved at the same time with the dielectric ceramic.
摘要翻译：其主要组分是ABO 3化合物（A含有Ba和B含有Ti）的介电陶瓷的每层厚度约为 0.5μm以下的粒径在0.02μm〜0.15μm的范围内的所有电介质烧结体的体积比调整为1〜10％的粒度分布。与介质陶瓷同时可实现高介电常数和高可靠性。

7. 发明申请

US20210233711A1 MULTILAYER CERAMIC CAPACITOR HAVING CERTAIN THICKNESS RATIO OF EXTERNAL ELECTRODE TO COVER LAYER 有权
公开(公告)号：US20210233711A1
公开(公告)日：2021-07-29
申请号：US17227106
申请日：2021-04-09
申请人： TAIYO YUDEN CO., LTD.
发明人： Shohei KITAMURA , Yukihiro KONISHI , Kotaro MIZUNO , Yoichi KATO , Yusuke KOWASE , Toru MAKINO , Yoshinori TANAKA
IPC分类号： H01G4/232 , H01G4/30 , H01G4/12
摘要： A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities, with a pair of cover layers formed on it to cover the top and bottom faces in the direction of lamination of the foregoing, and which has a pair of principal faces, a pair of end faces, and a pair of side faces, wherein external electrodes are formed on the pair of end faces and at least one of the pair of principal faces of the element body, and Tt representing the thickness of the external electrode and Tc representing the thickness of the cover layer satisfy the relationship of 1/30≤Tt/Tc≤4/5, and the thickness of the cover layers, or Tc, is 10 μm or more but 30 μm or less.

8. 发明申请

US20180190432A1 METHOD FOR MANUFACTURING MULTILAYER CERAMIC CAPACITOR 审中-公开
公开(公告)号：US20180190432A1
公开(公告)日：2018-07-05
申请号：US15903712
申请日：2018-02-23
申请人： TAIYO YUDEN CO., LTD.
发明人： Shohei KITAMURA , Yukihiro KONISHI , Kotaro MIZUNO , Yoichi KATO , Yusuke KOWASE , Toru MAKINO , Yoshinori TANAKA
IPC分类号： H01G4/232 , H01G4/12 , H01G4/30
CPC分类号： H01G4/232 , H01G4/12 , H01G4/30
摘要： A method for manufacturing a multilayer ceramic capacitor includes: producing a plurality of dielectric green sheets; producing therefrom a plurality of internal electrode-printed green sheets; producing therefrom a plurality of individually cut unsintered laminates by stacking some of the plurality of dielectric green sheets, as cover layers, and the plurality of internal electrode-printed green sheets together; producing therefrom element body precursors by applying a ceramic paste to side faces of the unsintered laminates for forming side margins thereon, wherein an application thickness of the ceramic paste is adjusted in a manner such that a thickness of the side margins is greater than a thickness of the cover layers in the final product; producing therefrom element bodies by sintering; and forming external electrodes on at least one of principal faces and on both end faces of the element bodies.

9. 发明申请

US20170250027A1 MULTILAYER CERAMIC CAPACITOR 审中-公开
公开(公告)号：US20170250027A1
公开(公告)日：2017-08-31
申请号：US15438613
申请日：2017-02-21
申请人： TAIYO YUDEN CO., LTD.
发明人： Yusuke KOWASE
IPC分类号： H01G4/30 , H01G4/12 , H01G4/248 , H01G4/005
CPC分类号： H01G4/30 , H01G4/005 , H01G4/012 , H01G4/12 , H01G4/232 , H01G4/248
摘要： In an embodiment, a multilayer ceramic capacitor 10 is formed in such a way that a first face f1 of a capacitor body 11 has a concave shape and a first part 12a of a first external electrode 12 contacts the concave-shaped first face f1, and that a second face f2 of the capacitor body 11 has a concave shape and a first part 13a of a second external electrode 13 contacts the concave-shaped second face f2.

10. 发明申请

US20160293332A1 MULTILAYER CERAMIC CAPACITOR 审中-公开
标题翻译：多层陶瓷电容器
公开(公告)号：US20160293332A1
公开(公告)日：2016-10-06
申请号：US15072155
申请日：2016-03-16
申请人： TAIYO YUDEN CO., LTD.
发明人： Yoichi KATO , Kotaro MIZUNO , Yukihiro KONISHI , Yoshinori TANAKA , Yusuke KOWASE , Shohei KITAMURA , Toru MAKINO
IPC分类号： H01G4/30 , H01G4/248 , H01G4/12 , H01G4/012
CPC分类号： H01G4/30 , H01G4/12 , H01G4/232
摘要： A multilayer ceramic capacitor includes an element body which is constituted by dielectric layers stacked alternately with internal electrode layers having different polarities and whose shape is roughly a rectangular solid having a pair of principle faces, a pair of end faces, and a pair of side faces, wherein the multilayer ceramic capacitor is such that the pair of side faces of the element body has a pair of side margins whose thickness is 30 μm or less, and external electrodes are formed on the pair of end faces, and at least one of the pair of principle faces, of the element body. Despite the multilayer ceramic capacitor whose side margins are as thin as 30 μm or less, leak current can be suppressed.
摘要翻译：多层陶瓷电容器包括：元件体，其由与具有不同极性的内部电极层交替堆叠的电介质层构成，并且其形状大致为具有一对原理面的矩形固体，一对端面和一对侧面其中，所述多层陶瓷电容器使得所述元件体的所述一对侧面具有厚度为30μm以下的一对侧边缘，并且在所述一对端面上形成外部电极，元素体的一对原理面。尽管侧边距为30μm以下的多层陶瓷电容器，但是可以抑制泄漏电流。

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