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公开(公告)号：US20250166927A1
公开(公告)日：2025-05-22
申请号：US19007874
申请日：2025-01-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masanori YOSHIKAWA , Akitomo TAKAHASHI
Abstract: A capacitor element that includes: a capacitor portion including an anode plate including a core portion and a porous portion on the core portion, a dielectric layer on the porous portion, and a cathode layer on the dielectric layer 13; a seal layer covering the capacitor portion; a first through-hole conductor extending through the capacitor portion and the seal layer and electrically directly connected to the anode plate 11; a second through-hole conductor extending through the capacitor portion and the seal layer and electrically directly connected to the cathode layer; a first outer electrode layer on a surface of the seal layer and electrically connected to the first through-hole conductor, wherein at least a part of the first outer electrode layer overlaps the cathode layer in the thickness direction; and a second outer electrode layer on a surface of the seal layer and electrically connected to the second through-hole conductor.
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公开(公告)号：US20250167676A1
公开(公告)日：2025-05-22
申请号：US19027470
申请日：2025-01-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Koshi HIMEDA , Kazuki ITOYAMA , Kenji NISHIYAMA , Akitomo TAKAHASHI , Nobuyoshi ADACHI
Abstract: A DCDC converter module is provided that includes an insulating substrate having first and second surfaces; and a circuit section at the insulating substrate. The circuit section includes a switching element and an output filter connected to the switching element in series from an input end to an output. The output filter has an output inductor, and first and second output capacitors connected in parallel to each other and having different capacitance. A current path from the switching element to the output end of the circuit section penetrates through the insulating substrate from the first surface to the second surface. The first and second output capacitors are different from each other in position in a thickness direction and are arranged to the current path. An inductor component is between a plus terminal of the first output capacitor and a plus terminal of the second output capacitor.
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公开(公告)号：US20240242892A1
公开(公告)日：2024-07-18
申请号：US18618058
申请日：2024-03-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akitomo TAKAHASHI , Takeshi FURUKAWA , Koshi HIMEDA
Abstract: A capacitor element that includes: a capacitor portion including an anode plate having a porous portion on a core portion, a dielectric layer on the porous portion, and a cathode layer on the dielectric layer; a first cathode through conductor and a second cathode through conductor each penetrating the dielectric layer and the anode plate in a thickness direction and electrically connected to the cathode layer; and an anode through conductor penetrating the dielectric layer and the anode plate in the thickness direction and electrically connected to the anode plate, wherein, in a plan view from a thickness direction of the anode plate, a first center-to-center distance between the first anode through conductor and the first cathode through conductor is equivalent to a second center-to-center distance between the first anode through conductor and the second cathode through conductor.
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Patent Agency Ranking
公开(公告)号：US20220278035A1
公开(公告)日：2022-09-01
申请号：US17749540
申请日：2022-05-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Shinji OTANI , Akitomo TAKAHASHI , Takaaki SAKAI , Takeshi FURUKAWA , Tatsuya KITAMURA
IPC: H01L23/498 , H01L49/02
Abstract: A module is used in a semiconductor composite device that supplies a direct-current voltage adjusted by a voltage regulator including a semiconductor active element to a load. The module includes a capacitor layer including at least one capacitor portion forming a capacitor, a connection terminal used for electrical connection with at least one of the voltage regulator and the load, and a through-hole conductor formed to penetrate the capacitor portion in a thickness direction of the capacitor layer. The capacitor is electrically connected to at least one of the load and the voltage regulator with the through-hole conductor interposed between the load and the voltage regulator.
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公开(公告)号：US20220165508A1
公开(公告)日：2022-05-26
申请号：US17666961
申请日：2022-02-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kazutaka NAKAMURA , Kohei SHIMADA , Takeshi FURUKAWA , Shinji OTANI , Akitomo TAKAHASHI
Abstract: A capacitor disposed inside a multilayer substrate that includes a conductive pattern on a surface thereof and an anode portion having a first conductive metal member and a porous portion disposed on a surface of the first conductive metal member, a cathode portion, and a dielectric layer disposed between the anode portion and the cathode portion. Moreover, the anode portion is led out to a surface side of the multilayer substrate by a connection electrode including an alloy layer containing a metal forming the first conductive metal member and a conductive layer disposed on the alloy layer, and in which the connection electrode is connected to the conductive pattern formed on the surface of the multilayer substrate.
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公开(公告)号：US20250125098A1
公开(公告)日：2025-04-17
申请号：US18990112
申请日：2024-12-20
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akitomo TAKAHASHI , Takeshi FURUKAWA , Koshi HIMEDA
Abstract: A capacitor element that includes: a capacitor portion including an anode plate including a porous portion on a core portion, a dielectric layer on the porous portion, and a cathode layer on the dielectric layer; a sealing layer covering the capacitor portion; conductive interconnect layers on the sealing layer; and an outer insulating layer covering the sealing layer and the conductive interconnect layers. In a plan view from a thickness direction of the anode plate, a center-to-center distance between a first anode through conductor and a first cathode through conductor is equivalent to a center-to-center distance between the first anode through conductor and a second cathode through conductor, and a center-to-center distance between a fifth cathode through conductor and the first cathode through conductor is equivalent to a center-to-center distance between the fifth cathode through conductor and the second cathode through conductor.
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公开(公告)号：US20250054705A1
公开(公告)日：2025-02-13
申请号：US18931804
申请日：2024-10-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akitomo TAKAHASHI
Abstract: A capacitor that includes: a capacitor layer including a first electrode layer and a second electrode layer facing each other in a thickness direction with a dielectric layer interposed therebetween; and a coaxial through-hole conductor penetrating through the capacitor layer in the thickness direction, wherein the coaxial through-hole conductor includes: a first through-hole conductor electrically coupled to an end surface of the first electrode layer; and a second through-hole conductor inside the first through-hole conductor and electrically coupled to the second electrode layer, wherein the first through-hole conductor and the second through-hole conductor are insulated from each other.
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公开(公告)号：US20240186071A1
公开(公告)日：2024-06-06
申请号：US18410307
申请日：2024-01-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akitomo TAKAHASHI
Abstract: A capacitor that includes: a capacitor layer including a capacitor part, the capacitor part having a first through-hole extending through the capacitor part in the thickness direction and defining an inner wall surface, the capacitor part including: an anode plate including a core part and a porous layer, a dielectric layer, and a cathode layer; and a first through-hole conductor disposed at least on the inner wall surface of the first through-hole, wherein the first through-hole conductor is electrically connected to an end face of the anode plate that faces the inner wall surface of the first through-hole in a plane direction, which is a direction of a plane perpendicular to the thickness direction, and the first void contains at least part of the first through-hole conductor.
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