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公开(公告)号：US20200312528A1
公开(公告)日：2020-10-01
申请号：US16830048
申请日：2020-03-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kozo SATO , Hiroshi OKUIZUMI , Yoshiharu SATOU
IPC: H01F27/28 , H01F27/29 , H01F27/24 , H01F41/02 , H01F41/061
Abstract: An inductor includes a body that includes a coil and that contains a magnetic portion in which the coil is embedded, and a pair of outer electrodes that is disposed on a mounting surface of the body. The coil includes a winding portion formed by winding a conductive wire that has a coating layer and that has a pair of wide surfaces, and a pair of extended portions that extends from the winding portion. The pair of extended portions includes a twisted portion that is connected to the winding portion. The twisted portion is twisted about a virtual center line of an end portion of the winding portion, and a twisted part bends toward the mounting surface about an axis substantially perpendicular to the wide surfaces at the end portion. End portions of the pair of extended portions near the mounting surface are connected to the pair of outer electrodes.
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公开(公告)号：US20210110965A1
公开(公告)日：2021-04-15
申请号：US17028128
申请日：2020-09-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takao KAWACHI , Hiroshi OKUIZUMI
IPC: H01F27/29 , H01F27/255 , H01F41/04 , H01F41/02
Abstract: A coil component includes an element body and a coil conductor provided inside the element body, in which the element body has a substantially rectangular shape and has upper and lower surfaces facing each other in a winding axis direction of the coil conductor and first to fourth side surfaces. The element body includes a first magnetic body portion and a second magnetic body portion provided on a main surface of the first magnetic body portion. The coil conductor includes a winding portion and first and second extended portions extended to any side surface of the element body. The first magnetic body portion includes on the main surface thereof an outer convex portion and an inner convex portion provided outside and inside the winding portion, respectively. The outer convex portion is exposed only on one side surface or two adjacent side surfaces of the element body.
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公开(公告)号：US20210217552A1
公开(公告)日：2021-07-15
申请号：US17149323
申请日：2021-01-14
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroshi OKUIZUMI , Yuuki NAGATA
Abstract: An inductor includes a coil including a winding section and extended sections, a body containing the coil and having a bottom surface and end surfaces adjacent to the bottom surface and opposed to each other, and outer electrodes on at least the bottom surface and connected to the extended sections. The winding-axis direction of the coil intersects with the bottom surface. The conductor has a cross section with a rectangular shape defined by thickness and width and has first surfaces defined by its extending direction and the thickness direction and second surfaces defined by the extending direction and the width direction. The winding section is spirally wound such that the second surfaces are on an outer side and on an inner side, respectively, and is wound in two tiers connected in their innermost locations, and both ends are in outermost locations in the tiers, respectively.
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Patent Agency Ranking
公开(公告)号：US20230207183A1
公开(公告)日：2023-06-29
申请号：US18171141
申请日：2023-02-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Kozo SATO , Hiroshi OKUIZUMI , Yoshiharu SATOU
IPC: H01F27/28 , H01F41/02 , H01F27/24 , H01F27/29 , H01F41/061
CPC classification number: H01F27/2823 , H01F41/0246 , H01F27/24 , H01F27/29 , H01F41/061
Abstract: An inductor includes a body that includes a coil and that contains a magnetic portion in which the coil is embedded, and a pair of outer electrodes that is disposed on a mounting surface of the body. The coil includes a winding portion formed by winding a conductive wire that has a coating layer and that has a pair of wide surfaces, and a pair of extended portions that extends from the winding portion. The pair of extended portions includes a twisted portion that is connected to the winding portion. The twisted portion is twisted about a virtual center line of an end portion of the winding portion, and a twisted part bends toward the mounting surface about an axis substantially perpendicular to the wide surfaces at the end portion. End portions of the pair of extended portions near the mounting surface are connected to the pair of outer electrodes.
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公开(公告)号：US20190115127A1
公开(公告)日：2019-04-18
申请号：US16151121
申请日：2018-10-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Eiji ISO , Isao IDA , Hiroshi OKUIZUMI , Takao KAWACHI
Abstract: A manufacturing method for an electronic component includes preparing a first composite magnetic section provided with a first composite magnetic layer and at least one marker layer disposed on the first composite magnetic layer; and preparing a second composite magnetic section provided with a second composite magnetic layer and at least one coil formed by winding a conductive wire and buried in the second composite magnetic layer with part of the coil being exposed. The manufacturing method further includes obtaining a multilayer body by disposing the first composite magnetic section so that a surface on the opposite side of the first composite magnetic section to a surface where the marker layer is disposed opposes a surface of the second composite magnetic section; and obtaining a molded body having a marker area formed with non-conductive particles pressed into the first composite magnetic layer.
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公开(公告)号：US20230015749A1
公开(公告)日：2023-01-19
申请号：US17935412
申请日：2022-09-26
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Eiji ISO , Isao IDA , Hiroshi OKUIZUMI , Takao KAWACHI
Abstract: A manufacturing method for an electronic component includes preparing a first composite magnetic section provided with a first composite magnetic layer and at least one marker layer disposed on the first composite magnetic layer; and preparing a second composite magnetic section provided with a second composite magnetic layer and at least one coil formed by winding a conductive wire and buried in the second composite magnetic layer with part of the coil being exposed. The manufacturing method further includes obtaining a multilayer body by disposing the first composite magnetic section so that a surface on the opposite side of the first composite magnetic section to a surface where the marker layer is disposed opposes a surface of the second composite magnetic section; and obtaining a molded body having a marker area formed with non-conductive particles pressed into the first composite magnetic layer.
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公开(公告)号：US20210098184A1
公开(公告)日：2021-04-01
申请号：US17033536
申请日：2020-09-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroshi OKUIZUMI , Kozo SATO
IPC: H01F27/29 , H01F27/28 , H01F27/255 , H01F41/02 , H01F41/063
Abstract: An inductor includes a body including a magnetic portion and a coil embedded in the magnetic portion and outer electrodes. The coil includes a wound portion formed by winding a conductive wire having a pair of wide surfaces in upper and lower layers and first and second lead-out portions extending from end portions of the wound portion at outermost peripheries of the upper and lower layers. One wide surface of a distal end portion of the first lead-out portion is exposed at a mounting surface of the body, a first surface adjacent to the mounting surface, and a corner portion therebetween. One wide surface of a distal end portion of the second lead-out portion is exposed at the mounting surface, a second surface adjacent to the mounting surface, and a corner portion therebetween. The outer electrodes cover the exposed wide surfaces of the first and second lead-out portions.
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公开(公告)号：US20200312531A1
公开(公告)日：2020-10-01
申请号：US16830133
申请日：2020-03-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroshi OKUIZUMI
IPC: H01F27/28 , H01F27/29 , H01F27/24 , H01F41/076 , H01F41/061
Abstract: An inductor includes a body, and outer electrodes that are formed on the body. The body includes a core that includes a base and a pillar-shaped portion that is disposed on an upper surface of the base, a coil that includes a winding portion formed by winding a conductive wire around the pillar-shaped portion and extended portions that extend from the winding portion and that are connected to the outer electrodes, and a magnetic portion that encloses the coil and at least a part of the core and that contains magnetic powder and a resin. The base has a lower surface opposite the upper surface, side surfaces, and a notch surface that is located between the side surfaces. The extended portions extend along the notch surface from positions near the upper surface of the base toward the lower surface. The notch surface is covered by the magnetic portion.
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