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公开(公告)号：US09455086B2
公开(公告)日：2016-09-27
申请号：US13936402
申请日：2013-07-08
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada , Takashi Sawada
Abstract: In a laminated ceramic electronic component, a side-surface outer electrode includes a first electrode portion including side-surface electrode portions located on first and second side surfaces and wrap-around electrode portions arranged to extend around from the side-surface electrode portions of the first electrode portion to portions of third and fourth side surfaces; and a second electrode portion including side-surface electrode portions located on the third and fourth side surfaces and wrap-around electrode portions arranged to extend around from the side-surface electrode portions of the second electrode portion to portions of the first and second side surfaces. The wrap-around electrode portions of the second electrode portion reach regions covering portions of outermost inner electrodes located at an outermost side portion among inner electrodes, which portions are exposed in the first and second side surfaces.
Abstract translation: 在层叠陶瓷电子部件中，侧面外部电极包括：第一电极部，其包括位于第一和第二侧面的侧面电极部，以及环绕电极部，其布置成从所述侧面电极部的侧面电极部 第一电极部分到第三和第四侧表面的部分; 以及第二电极部分，其包括位于第三和第四侧表面上的侧面电极部分和环绕电极部分，其布置成从第二电极部分的侧面电极部分延伸到第一和第二侧表面的部分 。 第二电极部分的环绕电极部分到达覆盖位于内部电极中的最外侧部分的最外侧内部电极的部分的区域，该部分在第一和第二侧表面中露出。
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公开(公告)号：US12040136B2
公开(公告)日：2024-07-16
申请号：US17506925
申请日：2021-10-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akira Ishizuka , Shinichi Kokawa , Yasuyuki Shimada
Abstract: A multilayer ceramic capacitor includes end-surface external electrodes and side-surface external electrodes. The end-surface external electrodes are respectively provided at end surfaces of a multilayer body and are respectively connected to end-surface connecting internal electrodes. The side-surface external electrodes are respectively provided at the side surfaces of the multilayer body and respectively connected to side-surface connecting internal electrodes. The end-surface connecting internal electrodes each include end surface opposing portion opposing the side-surface connecting internal electrode 15B adjacent in a lamination direction, and an end surface lead-out portion extending from the end surface opposing portion to one of the end-surface external electrodes. The side-surface connecting internal electrodes each include a side surface opposing portion opposing the end-surface connecting internal electrodes adjacent in the lamination direction, and a side surface lead-out portion extending from the side surface opposing portion to one of the side-surface external electrodes.
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公开(公告)号：US10395833B2
公开(公告)日：2019-08-27
申请号：US15242819
申请日：2016-08-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada , Takashi Sawada
Abstract: In a laminated ceramic electronic component, a side-surface outer electrode includes a first electrode portion including side-surface electrode portions located on first and second side surfaces and wrap-around electrode portions arranged to extend around from the side-surface electrode portions of the first electrode portion to portions of third and fourth side surfaces; and a second electrode portion including side-surface electrode portions located on the third and fourth side surfaces and wrap-around electrode portions arranged to extend around from the side-surface electrode portions of the second electrode portion to portions of the first and second side surfaces. The wrap-around electrode portions of the second electrode portion reach regions covering portions of outermost inner electrodes located at an outermost side portion among inner electrodes, which portions are exposed in the first and second side surfaces.
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公开(公告)号：US12300442B2
公开(公告)日：2025-05-13
申请号：US18591095
申请日：2024-02-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada
Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrodes alternately stacked on one another, and two external electrodes respectively on two end surfaces of the multilayer body. Each of the dielectric layers includes, at a location coincident with an end portion of a respective one of the internal electrodes, a thick-walled portion thicker in a stacking direction than a portion corresponding in position to a middle portion of a main surface of the multilayer body. When viewed in the stacking direction, positions of some of the thick-walled portions of the dielectric layers are out of alignment with positions of a remainder of the thick-walled portions of the dielectric layers.
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公开(公告)号：US11373805B2
公开(公告)日：2022-06-28
申请号：US17188108
申请日：2021-03-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takehisa Sasabayashi , Yasuyuki Shimada , Naoto Muranishi , Shinichi Kokawa
Abstract: An Mn/Ti peak intensity ratio in a dielectric ceramic layer in an end surface outer layer portion is within two times to fifteen times of the Mn/Ti peak intensity ratio in a central portion, a rare earth element/Ti peak intensity ratio in the dielectric ceramic layer in the end surface outer layer portion is within two times to seven times the rare earth element/Ti peak intensity ratio in the central portion, an Si/Ti peak intensity ratio in the dielectric ceramic layer in a side surface outer layer portion is within two times to five times the Si/Ti peak intensity ratio in the central portion, and the rare earth element/Ti peak intensity ratio in the dielectric ceramic layer in the side surface outer layer portion is within two times to seven times the rare earth element/Ti peak intensity ratio.
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Patent Agency Ranking
公开(公告)号：US10079104B2
公开(公告)日：2018-09-18
申请号：US15378350
申请日：2016-12-14
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada
CPC classification number: H01G4/30 , H01G4/008 , H01G4/012 , H01G4/12 , H01G4/224 , H01G4/232 , H01G4/236
Abstract: A capacitor includes an outer electrode extends over first and second main surfaces from exposed portions of inner electrodes on a first side surface and exposed portions of the inner electrodes on a second side surface. An outermost layer of the outer electrode includes a Cu-plated layer.
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公开(公告)号：US11948746B2
公开(公告)日：2024-04-02
申请号：US17833983
申请日：2022-06-07
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada
CPC classification number: H01G4/012 , H01G4/1227 , H01G4/224 , H01G4/30 , H01G4/0085
Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrodes alternately stacked on one another, and two external electrodes respectively on two end surfaces of the multilayer body. Each of the dielectric layers includes, at a location coincident with an end portion of a respective one of the internal electrodes, a thick-walled portion thicker in a stacking direction than a portion corresponding in position to a middle portion of a main surface of the multilayer body. When viewed in the stacking direction, positions of some of the thick-walled portions of the dielectric layers are out of alignment with positions of a remainder of the thick-walled portions of the dielectric layers.
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公开(公告)号：US20210287853A1
公开(公告)日：2021-09-16
申请号：US17188108
申请日：2021-03-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takehisa Sasabayashi , Yasuyuki Shimada , Naoto Muranishi , Shinichi Kokawa
Abstract: An Mn/Ti peak intensity ratio in a dielectric ceramic layer in an end surface outer layer portion is within two times to fifteen times of the Mn/Ti peak intensity ratio in a central portion, a rare earth element/Ti peak intensity ratio in the dielectric ceramic layer in the end surface outer layer portion is within two times to seven times the rare earth element/Ti peak intensity ratio in the central portion, an Si/Ti peak intensity ratio in the dielectric ceramic layer in a side surface outer layer portion is within two times to five times the Si/Ti peak intensity ratio in the central portion, and the rare earth element/Ti peak intensity ratio in the dielectric ceramic layer in the side surface outer layer portion is within two times to seven times the rare earth element/Ti peak intensity ratio.
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公开(公告)号：US10361032B2
公开(公告)日：2019-07-23
申请号：US15608126
申请日：2017-05-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yasuyuki Shimada
Abstract: A ceramic capacitor that has low ESL and is suitable to be built into a substrate includes a first external electrode including a first portion extending from a portion located on a first principal surface to a portion of a first end surface, a second portion extending from a portion located on a second principal surface to a portion of the first end surface, a third portion extending from a portion located on a first side surface to a portion of the first end surface, and a fourth portion extending from a portion located on a second side surface to a portion of the first end surface. The first external electrode includes an outermost layer that is a Cu plated layer.
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10.发明授权公开(公告)号：US09358825B1
公开(公告)日：2016-06-07
申请号：US15002562
申请日：2016-01-21
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takashi Sawada , Yasuyuki Shimada
Abstract: In a gravure printing plate, a ratio of an area ratio of part of a second portion excluding second protrusions to the second portion, to an area ratio of a part of a portion excluding first protrusions to a portion that is part of a first portion that is located closer to the second portion than a line-shaped portion of a first protrusion located closest to the second portion ((an area ratio of the part of the second portion excluding the second protrusions to the second portion)/(an area ratio of the part of the portion excluding the first protrusions to the portion, the portion being a part of the first portion that is located closer to the second portion than the line-shaped portion of the first protrusion located closest to the second portion)) is about 0.3 or more and about 0.9 or less.
Abstract translation: 在凹版印刷版中，除了第二突起之外的第二部分的一部分的面积比与第二部分的面积比与除第一突起之外的部分的一部分与作为第一部分的一部分的部分的面积比 位于比最靠近第二部分的第一突起的线状部分（（第二部分的除了第二突起部分与第二部分的部分的面积比）之间的距离更靠近第二部分的面积比 除了第一突起部分之外的部分的部分，该部分是位于比最靠近第二部分的第一突起的线状部分更靠近第二部分的第一部分的一部分））为约 0.3以上且约0.9以下。
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