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公开(公告)号：US11062854B2
公开(公告)日：2021-07-13
申请号：US16430480
申请日：2019-06-04
Inventor： Hiroki Nagayama , Kouta Muneyasu , Makoto Nagashima
Abstract: A solid electrolytic capacitor includes an element laminated body, an anode lead, a cathode lead, a coating layer, and an outer packaging resin. In the element laminated body, a plurality of capacitor elements each having an anode part and a cathode part are laminated. The anode lead is connected to a laminated anode part of the element laminated body. The laminated anode part is a part laminated by a plurality of anode part which include the anode part. The cathode lead is connected to a laminated cathode part of the element laminated body. The laminated cathode part is a part laminated by a plurality of cathode part which include the cathode part. The coating layer fills at least a part of a gap between the plurality of capacitor elements. The outer packaging resin seals the element laminated body together with a part of the anode lead and a part of the cathode lead.
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公开(公告)号：US11049663B2
公开(公告)日：2021-06-29
申请号：US16503657
申请日：2019-07-05
Inventor： Kouta Muneyasu , Masahiro Sato , Naomi Kurihara , Keita Uenaka
Abstract: An electrolytic capacitor includes a capacitor element, a lead member electrically connected to the capacitor element, an outer packaging member in which the capacitor element and a part of the lead member are sealed, and a heat barrier layer that covers at least a part of the outer packaging member. The heat barrier layer has an electrical insulation property, and contains at least one of metallic oxide and metal hydroxide.
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公开(公告)号：US11232913B2
公开(公告)日：2022-01-25
申请号：US16471369
申请日：2018-01-12
Inventor： Masahiro Sato , Kouta Muneyasu , Hiroshi Takeda , Mina Sato , Junji Kojima , Yuichiro Yamada
Abstract: Provided is an electrolytic capacitor including: a capacitor element including an anode body, a dielectric layer formed on the anode body, a solid electrolyte layer formed on the dielectric layer, and a cathode layer formed on the solid electrolyte layer; lead terminals each connected to the anode body and the cathode layer; and a packaging member covering at least part of the capacitor element. The packaging member includes a side wall that is electrically conductive, and a bottom face, with at least one of the lead terminals partially exposed from the bottom face. An insulating member is interposed between a first end of the side wall and the lead terminal exposed from the bottom face, the first end being near the bottom face.
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Patent Agency Ranking
公开(公告)号：US11862406B2
公开(公告)日：2024-01-02
申请号：US17420703
申请日：2020-01-23
Inventor： Kei Hirota , Kyohei Iwaoka , Hitoshi Fukui , Daisuke Usa , Kouta Muneyasu , Hiroki Nagayama
Abstract: A solid electrolytic capacitor includes a capacitor element. The capacitor element includes an anode foil including a base material part and a porous part disposed on a surface of the base material part, a dielectric layer disposed on at least a part of a surface of the anode foil, a solid electrolyte layer covering at least a part of the dielectric layer, and a cathode lead-out layer covering at least a part of the solid electrolyte layer. The anode foil includes an anode section on which the solid electrolyte layer is not disposed, a cathode formation section on which the solid electrolyte layer is disposed, and a separation section located between the anode section and the cathode formation section. A first insulating material is disposed on a surface of the porous part in the separation section. And at least a part of a region of the porous part that is covered with the first insulating material includes a second insulating material.
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公开(公告)号：US09640326B2
公开(公告)日：2017-05-02
申请号：US14416276
申请日：2013-09-05
Inventor： Katsuhisa Ishizaki , Kouta Muneyasu
Abstract: A solid electrolytic capacitor includes a capacitor element, a negative terminal, a positive terminal, and a resin package covering the capacitor element. The negative terminal and the positive terminal are joined respectively to a negative electrode section and a positive electrode section of the capacitor element. The negative terminal has a mount portion, a protruding portion, and a collecting portion. The mount portion has the negative electrode section disposed thereon, and is joined to an underside of the negative electrode via a conductive bonding portion. The protruding portion protrudes from a side edge of the mount portion in a same plane as the mount portion, and has a width narrowed stepwise in a protruding direction. The collecting portion is provided adjacent to a side edge of a part where the protruding portion is narrowed stepwise, and accommodates a part of the conductive bonding portion.
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公开(公告)号：US12283435B2
公开(公告)日：2025-04-22
申请号：US18510053
申请日：2023-11-15
Inventor： Kei Hirota , Kyohei Iwaoka , Hitoshi Fukui , Daisuke Usa , Kouta Muneyasu , Hiroki Nagayama
Abstract: A solid electrolytic capacitor includes a capacitor element. The capacitor element includes an anode foil including a base material part and a porous part disposed on a surface of the base material part, a dielectric layer disposed on at least a part of a surface of the anode foil, a solid electrolyte layer covering at least a part of the dielectric layer, and a cathode lead-out layer covering at least a part of the solid electrolyte layer. The anode foil includes an anode section on which the solid electrolyte layer is not disposed, a cathode formation section on which the solid electrolyte layer is disposed, and a separation section located between the anode section and the cathode formation section. A first insulating material is disposed on a surface of the porous part in the separation section. And at least a part of a region of the porous part that is covered with the first insulating material includes a second insulating material.
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公开(公告)号：US11417471B2
公开(公告)日：2022-08-16
申请号：US16598640
申请日：2019-10-10
Inventor： Atsushi Tanaka , Kouta Muneyasu
Abstract: Disclosed is a solid electrolytic capacitor 1 including capacitor elements 2A to 2C, an anode terminal 4, and a resin package body enclosing at least the capacitor elements, the capacitor elements 2A to 2C each including an anode body 6 having a porous portion as a surface layer, a dielectric layer 7, and a cathode part 8 covering at least part of the dielectric layer 7. The anode body 9 has a cathode forming portion and an anode thin-thickness portion adjacent to the cathode forming portion. The dielectric layer 7 covers at least part of a surface of the porous portion in the cathode forming portion. The porous portion is removed in the anode thin-thickness portion or is thinner in the anode thin-thickness portion than in the cathode forming portion. The anode body is connected to the anode terminal 4 at the anode thin-thickness portion.
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公开(公告)号：US20150262759A1
公开(公告)日：2015-09-17
申请号：US14416276
申请日：2013-09-05
Inventor： Katsuhisa Ishizaki , Kouta Muneyasu
Abstract: A solid electrolytic capacitor includes a capacitor element, a negative terminal, a positive terminal, and a resin package covering the capacitor element. The negative terminal and the positive terminal are joined respectively to a negative electrode section and a positive electrode section of the capacitor element. The negative terminal has a mount portion, a protruding portion, and a collecting portion. The mount portion has the negative electrode section disposed thereon, and is joined to an underside of the negative electrode via a conductive bonding portion. The protruding portion protrudes from a side edge of the mount portion in a same plane as the mount portion, and has a width narrowed stepwise in a protruding direction. The collecting portion is provided adjacent to a side edge of a part where the protruding portion is narrowed stepwise, and accommodates a part of the conductive bonding portion.
Abstract translation: 固体电解电容器包括电容器元件，负极端子，正极端子和覆盖电容器元件的树脂封装。 负极端子和正极端子分别连接到电容器元件的负极部分和正极部分。 负极端子具有安装部分，突出部分和收集部分。 安装部分具有设置在其上的负极部分，并且经由导电接合部分接合到负极的下侧。 突出部分在与安装部分相同的平面中从安装部分的侧边缘突出，并且具有沿突出方向逐步变窄的宽度。 所述收集部设置在所述突出部分逐渐变窄的部分的侧边缘附近，并且容纳所述导电接合部分的一部分。
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