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公开(公告)号：US20170373009A1
公开(公告)日：2017-12-28
申请号：US15633013
申请日：2017-06-26
Applicant: TDK CORPORATION
Inventor： Kenichi YOSHIDA , Mitsuhiro TOMIKAWA , Eiko WAKATA
IPC: H01L23/538 , H01G4/228 , H01G4/005
CPC classification number: H01L23/5385 , H01G4/005 , H01G4/228 , H01G4/232 , H01G4/33 , H01G4/40 , H05K1/162 , H05K2201/0195 , H05K2201/09063 , H05K2201/09072 , H05K2201/10015 , H05K2201/10537 , H05K2201/10545
Abstract: An electronic component includes a first electronic component and a second electronic component that is stacked on the first electronic component. A second electrode layer of the first electronic component includes a plurality of divided electrode layers, and a pair of electrodes of the second electronic component are electrically connected to different electrode layers included in the plurality of electrode layers of the second electrode layer, and a first electrode layer of the first electronic component is divided into a plurality of electrode layers to correspond to the electrode layers which are included in the second electrode layer and which are electrically connected to the pair of electrodes of the second electronic component.
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公开(公告)号：US20160293334A1
公开(公告)日：2016-10-06
申请号：US15083649
申请日：2016-03-29
Applicant: TDK CORPORATION
Inventor： Shinji EHARA , Ikuhito ONODERA , Eiko WAKATA , Katsunori OSANAI , Masamichi TANIGUCHI
CPC classification number: H01G4/33 , H01G4/008 , H01G4/012 , H01G4/018 , H01G4/224 , H01G4/306 , H01L28/92
Abstract: A lower electrode (4) can have an uneven surface structure. An upper electrode (6) can also have the uneven surface structure. A projecting portion of the upper electrode (6) projecting to the lower electrode side is positioned in a gap between projecting portions of the lower electrode (4) and the lower electrode (4) includes Cu as a main component. Young's moduli of a substrate (1), a stress adjustment layer (2), and the lower electrode (4) have a specific relation. Also, corner portions of radii (R1) of curvature positioned inside a projecting portion (4b) have a specific relation.
Abstract translation: 下电极（4）可以具有不均匀的表面结构。 上电极（6）也可以具有不平坦的表面结构。 上部电极（6）的突出于下部电极侧的突出部分位于下部电极（4）的突出部分之间的间隙中，下部电极（4）包括Cu作为主要部件。 衬底（1），应力调节层（2）和下电极（4）的杨氏模具具有特定的关系。 此外，位于突出部分（4b）内部的曲率半径（R1）的角部分具有特定的关系。
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公开(公告)号：US20210304968A1
公开(公告)日：2021-09-30
申请号：US17207212
申请日：2021-03-19
Applicant: TDK Corporation
Inventor： Daiki ISHII , Eiko WAKATA
Abstract: Disclosed herein is a multilayer capacitor that includes a capacitor layer having a plurality of odd-numbered electrode layers which are positioned at odd-numbered rows and a plurality of even-numbered electrode layers which are positioned at even-numbered rows. The capacitor layer includes a first side surface to which the odd-numbered electrode layers are exposed, a second side surface to which the even-numbered electrode layers are exposed, and a first planar region. The first external terminal covers the first side surface so as to be connected to the odd-numbered electrode layers. The second external terminal covers the second side surface so as to be connected to the even-numbered electrode layers. The first external terminal covers also the first planar region and is connected to the first internal electrode layer through a first via conductor extending in a stacking direction.
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公开(公告)号：US20200035410A1
公开(公告)日：2020-01-30
申请号：US16521039
申请日：2019-07-24
Applicant: TDK Corporation
Inventor： Eiko WAKATA , Kenichi YOSHIDA
Abstract: Disclosed herein is an LC filter that includes a conductive substrate, a first capacitive insulating film having one surface covered with the conductive substrate and other surface covered with a first capacitive electrode, a first inductor pattern having one end connected to the first capacitive electrode, a first terminal electrode connected to other end of the first inductor pattern, and a common terminal electrode connected to the conductive substrate.
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