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公开(公告)号：US20230073043A1
公开(公告)日：2023-03-09
申请号：US17899797
申请日：2022-08-31
Applicant: TDK CORPORATION
Inventor： Hisashi KOBAYASHI , Norihisa ANDO , Toshihiro IGUCHI , Kenya TAMAKI
Abstract: An electronic component with a metal terminal includes an electronic component having an element body, and external electrodes respectively provided on end surfaces facing each other in an X direction in the element body; and plate-shaped metal terminals having joint portions joined to the external electrodes, and leg portions provided to protrude beyond the electronic component in a Z direction. The leg portion of the metal terminal has an extending part continuously extending in the Z direction from the joint portion, a first bent part bent from a tip of the extending part to the electronic component side at a first angle formed to be an acute angle with respect to the extending part, and a second bent part bent from a tip of the first bent part at a second angle larger than the first angle with respect to the extending part.
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公开(公告)号：US20210358690A1
公开(公告)日：2021-11-18
申请号：US17243961
申请日：2021-04-29
Applicant: TDK CORPORATION
Inventor： Toshihiro IGUCHI , Norihisa ANDO , Kenya TAMAKI , Kayou MATSUNAGA
Abstract: An electronic component includes an element body, an external electrode, and a metal terminal. In the metal terminal, a base includes a first surface and a second surface opposing each other, and a pair of third surfaces coupling the first surface and the second surface. A first metal layer is disposed on the first surface and connected to solder with which the external electrode and the metal terminal are connected together. A second metal layer is disposed on the second surface. A coating layer is disposed on each of the third surfaces. The first metal layer and the second metal layer each include an outermost layer containing Sn. Each of the coating layer includes an outermost layer lower in solder wettability than the respective outermost layers of the first metal layer and the second metal layer.
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公开(公告)号：US20230411077A1
公开(公告)日：2023-12-21
申请号：US18331294
申请日：2023-06-08
Applicant: TDK CORPORATION
Inventor： Akihiro MASUDA , Shinya ITO , Norihisa ANDO , Hideki KANEKO , Ken ABURAKAWA , Kenya TAMAKI , Akitoshi YOSHII
Abstract: The electronic device includes: a case including a recessed portion and an opening edge portion of the recessed portion; a ceramic element arranged in the recessed portion, having a first main surface and a second main surface facing each other, and including a first electrode portion formed on the first main surface and a second electrode portion formed on the second main surface; a first metal terminal including a first mounting portion, arranged in the opening edge portion and approximately horizontal with respect to the first main surface and the second main surface, and a first electrode connection portion connected to the first electrode portion; and a second metal terminal including a second mounting portion, arranged in the opening edge portion and approximately horizontal with respect to the first main surface and the second main surface, and a second electrode connection portion connected to the second electrode portion.
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公开(公告)号：US20230034900A1
公开(公告)日：2023-02-02
申请号：US17858761
申请日：2022-07-06
Applicant: TDK CORPORATION
Inventor： Toshihiro IGUCHI , Norihisa ANDO , Kenya TAMAKI , Hisashi KOBAYASHI
Abstract: A ceramic electronic device comprises an element body including a ceramic layer and an internal electrode layer, and an external electrode electrically connected to at least one end of the internal electrode layer. The element body includes an interface part at least at a part of a boundary between the external electrode and the ceramic layer. The interface part includes an oxide containing aluminium and an oxide containing boron.
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公开(公告)号：US20210375547A1
公开(公告)日：2021-12-02
申请号：US17229393
申请日：2021-04-13
Applicant: TDK CORPORATION
Inventor： Shinya SAITO , Kenya TAMAKI , Norihisa ANDO , Shinya ITO , Akihiro MASUDA , Kosuke YAZAWA , Yoshiki SATOU , Katsumi KOBAYASHI , Toshihiro IGUCHI
Abstract: An electronic device includes chip components, a case, conductive terminals, and a fuse. The chip components each include a terminal electrode. The case includes accommodation recesses for accommodating the chip components. The conductive terminals are fixed to the case and respectively connected to the terminal electrodes of the chip components. The fuse electrically connects the chip components.
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Patent Agency Ranking
公开(公告)号：US20250096765A1
公开(公告)日：2025-03-20
申请号：US18756961
申请日：2024-06-27
Applicant: TDK CORPORATION
Inventor： Toshihiro IGUCHI , Masaki HARA , Ryota NAMIKI , Ayako SATO , Kenya TAMAKI
IPC: H03H7/00
Abstract: An equivalent circuit includes a first capacitor having a first capacitance, a circuit part configured to include an inductor component, a capacitor component, and a resistor connected in series with one another, the circuit part being connected in parallel with the first capacitor, and a second capacitor provided between the first capacitor and the circuit part and having a second capacitance. The first capacitance of the first capacitor changes in accordance with a voltage value of a direct current voltage applied to the first capacitor. The second capacitor has the positive second capacitance that changes in accordance with the voltage value of the direct current voltage applied to the first capacitor and that is N times (N>0) the first capacitance of the first capacitor.
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公开(公告)号：US20240087812A1
公开(公告)日：2024-03-14
申请号：US18359319
申请日：2023-07-26
Applicant: TDK CORPORATION
Inventor： Toshihiro IGUCHI , Hisashi KOBAYASHI , Norihisa ANDO , Kenya TAMAKI
CPC classification number: H01G4/2325 , H01G4/30
Abstract: An electronic component includes a component body, a metal terminal, and a bonding material. The component body includes an element body and an external electrode. The metal terminal includes a first main surface and a second main surface, and a side surface. The bonding material electrically and physically connects the external electrode and the metal terminal. The metal terminal includes a first metal layer including the first main surface, a second metal layer including the second main surface, and a terminal body including the side surface. The terminal body is exposed at the side surface, and the first metal layer and the second metal layer are separated from each other on the side surface. Each of the first metal layer and the second metal layer includes a Ni plated layer. The terminal body includes Cu. The bonding material includes solder.
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公开(公告)号：US20210366654A1
公开(公告)日：2021-11-25
申请号：US17322079
申请日：2021-05-17
Applicant: TDK CORPORATION
Inventor： Toshihiro IGUCHI , Norihisa ANDO , Kenya TAMAKI , Kayou MATSUNAGA
Abstract: An electronic component according to the present invention is an electronic component including: a ceramic element body including an internal electrode; and an external electrode formed on an outer surface of the ceramic element body. The external electrode includes: a first electrode layer electrically connected to at least a part of the internal electrode; and a second electrode layer formed on an outside of the first electrode layer. The first electrode layer has a first conductor region containing copper, and the second electrode layer has a second conductor region including a matrix phase containing silver and palladium and copper particles dispersed in the matrix phase.
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公开(公告)号：US20160163455A1
公开(公告)日：2016-06-09
申请号：US14959363
申请日：2015-12-04
Applicant: TDK CORPORATION
Inventor： Masahiro IWAMA , Kenya TAMAKI , Fumiaki SATOH , Kenta YAMASHITA
Abstract: A multilayer ceramic capacitor includes an element body, a first terminal electrode, a second terminal electrode, and a plurality of internal electrodes. The plurality of internal electrodes include a plurality of first internal electrodes, a plurality of second internal electrodes, a plurality of third internal electrodes, and a plurality of fourth internal electrodes. The element body includes a plurality of first and second regions. The first regions are located between the first internal electrodes opposed with each other. The second regions are located between the first internal electrodes opposed to each other through the third internal electrodes, and between the second internal electrodes opposed to each other through the fourth internal electrodes. The first regions and the second regions are alternately located in the first direction.
Abstract translation: 多层陶瓷电容器包括元件体，第一端子电极，第二端子电极和多个内部电极。 多个内部电极包括多个第一内部电极，多个第二内部电极，多个第三内部电极和多个第四内部电极。 元件主体包括多个第一和第二区域。 第一区域位于彼此相对的第一内部电极之间。 第二区域位于通过第三内部电极彼此相对的第一内部电极之间以及通过第四内部电极彼此相对的第二内部电极之间。 第一区域和第二区域交替地位于第一方向。
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公开(公告)号：US20160163454A1
公开(公告)日：2016-06-09
申请号：US14959229
申请日：2015-12-04
Applicant: TDK CORPORATION
Inventor： Masahiro IWAMA , Kenya TAMAKI , Fumiaki SATOH , Kenta YAMASHITA
CPC classification number: H01G4/012 , H01G4/12 , H01G4/224 , H01G4/228 , H01G4/232 , H01G4/30 , H01G4/385
Abstract: A multilayer ceramic capacitor includes an element body, a first terminal electrode, a second terminal electrode, a plurality of first internal electrode groups, and a plurality of second internal electrode groups. The plurality of first internal electrode groups each include a first number of first internal electrodes connected to the first terminal electrode and arranged in the first direction inside the element body. The plurality of second internal electrode groups each include a second number of second internal electrodes connected to the second terminal electrode and arranged in the first direction inside the element body. The first internal electrode groups and the second internal electrode groups are arranged alternately in the first direction. One of first internal electrodes included in each of the first internal electrode groups and one of second internal electrodes included in each of the second internal electrode groups are opposed to each other.
Abstract translation: 多层陶瓷电容器包括元件体，第一端子电极，第二端子电极，多个第一内部电极组和多个第二内部电极组。 多个第一内部电极组各自包括连接到第一端子电极并且沿元件主体内的第一方向布置的第一数量的第一内部电极。 多个第二内部电极组各自包括连接到第二端子电极并且在元件主体内部沿第一方向布置的第二数量的第二内部电极。 第一内部电极组和第二内部电极组沿第一方向交替排列。 包括在每个第一内部电极组中的每个第一内部电极组中的一个第一内部电极和包括在每个第二内部电极组中的一个第二内部电极彼此相对。
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