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公开(公告)号：US20240194414A1
公开(公告)日：2024-06-13
申请号：US18584308
申请日：2024-02-22
发明人： Yasuo TANAKA
CPC分类号： H01G9/025 , H01G9/0036 , H01G9/042 , H01G9/15
摘要： A solid electrolytic capacitor element that includes: an anode including a valve acting metal substrate and having a front end face and a base end face; a dielectric layer on at least a first main face of the anode but excluding at least the base end face; a mask layer including an insulating material on the dielectric layer adjacent the base end face; and a cathode on the dielectric layer at a position closer to the front end face as compared to the mask layer, wherein the cathode includes: a solid electrolyte layer on the dielectric layer, and a conductive layer on the solid electrolyte layer, the solid electrolyte layer includes a protrusion adjacent the mask layer, and a largest thickness of the solid electrolyte layer at the protrusion is larger than a thickness of the solid electrolyte layer at a rest of the solid electrolyte layer excluding the protrusion.
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公开(公告)号：US20230043077A1
公开(公告)日：2023-02-09
申请号：US17955628
申请日：2022-09-29
发明人： Yasuo TANAKA
摘要： An electrolytic capacitor including: a resin molding including a capacitor element with an anode, a dielectric layer, and a cathode, and a sealing resin sealing the capacitor element; a first external electrode on a first end surface; and a second external electrode connected to the cathode at a second end surface and including a first electrode portion on a first side surface and having a first electrode end in contact with the first side surface and closest to the first end surface in the length direction, and, when viewed in a thickness direction, a region where the capacitor element is opposite to the first electrode portion in a width direction includes a first region where a distance in the width direction between the capacitor element and the first electrode portion is shorter than a distance in the width direction between the capacitor element and the first electrode end.
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公开(公告)号：US20230038003A1
公开(公告)日：2023-02-09
申请号：US17955635
申请日：2022-09-29
发明人： Yasuo TANAKA
摘要： An electrolytic capacitor that includes a resin molding that includes a capacitor element including an anode, a dielectric layer, and a cathode, a sealing resin sealing the capacitor element; a first external electrode on a first end surface of the resin molding; and a second external electrode on a second end surface and connected to the cathode exposed at the second end surface of the resin molding, wherein when viewed in a thickness direction perpendicular to the length direction, the anode includes a first anode region having a first outer edge exposed at the first end surface and connected to the first external electrode, and a second anode region having a second outer edge positioned closest to the second external electrode in the length direction, and a length of the first outer edge is greater than a length of the second outer edge in a width direction.
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公开(公告)号：US20240296997A1
公开(公告)日：2024-09-05
申请号：US18664550
申请日：2024-05-15
发明人： Yasuo TANAKA , Keiji YOSHIDA
摘要： An electrolytic capacitor element that includes: an anode having a front end face and a base end face; a dielectric layer on at least one main face of the anode but excluding the base end face; a mask layer on the dielectric layer adjacent the base end face; and a cathode on the dielectric layer on the front end face side from the mask layer, wherein the cathode includes a solid electrolyte layer and a conductive layer, the solid electrolyte layer includes a first layer including a first conductive polymer doped with a first dopant and a second layer including a second conductive polymer doped with a second dopant, the second layer is partially disposed in the plane of the solid electrolyte layer, and the second conductive polymer is more likely to be dedoped than the first conductive polymer
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公开(公告)号：US20230028493A1
公开(公告)日：2023-01-26
申请号：US17957078
申请日：2022-09-30
发明人： Yasuo TANAKA
摘要： An electrolytic capacitor that includes a stack having multiple capacitor elements stacked in a thickness direction perpendicular to a length direction, wherein a first end of a first cathode is first closest to a second external electrode among all of ends of the cathodes of the multiple capacitor elements, a second end of a second cathode is second closest to the second external electrode, and an end of the second external electrode is closer to a first external electrode than the second end of the second cathode.
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