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公开(公告)号：US20240221981A1
公开(公告)日：2024-07-04
申请号：US18608018
申请日：2024-03-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO
Abstract: An electronic component that includes: a base body having an outer surface, and the outer surface having a recess that is a site recessed with respect to a periphery of the outer surface; and a glass film that covers at least a portion of the outer surface of the base body having the recess, wherein a part of the glass film that covers the recess is recessed with respect to the periphery of the outer surface of the glass film, and a ratio of a minimum value of a thickness of the glass film covering the recess to a maximum value of the thickness is 0.05 to 0.8.
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公开(公告)号：US20240321487A1
公开(公告)日：2024-09-26
申请号：US18671036
申请日：2024-05-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Mitsuru NAKANO , Koichi YAMADA , Miki SASAKI
CPC classification number: H01C7/041 , H01C1/1413
Abstract: An electronic component that includes: a base body; a glass film covering at least a part of an outer surface of the base body; and an underlayer electrode covering a part of a surface of the glass film, wherein the base body contains a Mn oxide, the underlayer electrode contains a conductive metal and a glass component, the base body has a reaction layer containing a composite oxide of Mn and the conductive metal at an end portion of the underlayer electrode, and the reaction layer has a void.
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公开(公告)号：US20240021347A1
公开(公告)日：2024-01-18
申请号：US18475734
申请日：2023-09-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Koichi YAMADA , Miki SASAKI
CPC classification number: H01C7/04 , H01C1/1413
Abstract: An electronic component that includes: a base body; and an insulating film covering an outer surface of the base body. The insulating film includes the film main body and a plurality of the thick film portions. A material of the film main body includes a glass. A material of the thick film portion is the same as the glass of the film main body. A thickness of the thick film portion is larger than an average thickness of the film main body.
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公开(公告)号：US20240136093A1
公开(公告)日：2024-04-25
申请号：US18400627
申请日：2023-12-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Koichi YAMADA , Miki SASAKI , Mitsuru NAKANO
CPC classification number: H01C7/043 , H01C1/1413
Abstract: An electronic component that includes: a base body; wiring inside the base body; a glass film covering an outer surface of the base body; an underlying electrode electrically connected to the wiring and covering a part of the glass film; and a metal layer covering the underlying electrode, wherein the glass film includes an uncovered portion that is not covered with the underlying electrode and separated from an outer edge of the underlying electrode by more than 10 μm, and a boundary portion that is not covered with the underlying electrode and not separated from the outer edge of the underlying electrode by more than 10 μm, and a thickness of the boundary portion is larger than a thickness of the uncovered portion.
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公开(公告)号：US20240040695A1
公开(公告)日：2024-02-01
申请号：US18486635
申请日：2023-10-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Koichi YAMADA , Miki SASAKI , Hironobu KUBOTA
CPC classification number: H05K1/0306 , H05K3/102 , H05K2201/09381 , H05K2201/017
Abstract: An electronic component that includes: an element body; and an insulating film covering an outer surface of the element body. The insulating film has a mix layer and a glass layer. The mix layer has a first glass and powder particles. The glass layer contains a second glass and has a smaller content percentage of the powder particles than the mix layer. The mix layer is on a side of the insulating film closer to the element body when viewed from the glass layer.
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Patent Agency Ranking
公开(公告)号：US20240352277A1
公开(公告)日：2024-10-24
申请号：US18762170
申请日：2024-07-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hironobu KUBOTA , Tomoya OOSHIMA , Yuuta HOSHINO
IPC: C09D183/04
CPC classification number: C09D183/04
Abstract: A coating process includes adding a body to a reactor; adding a metal alkoxide or precursors thereof to the reactor; adding a catalyst for the hydrolysis of the metal alkoxide to the reactor; and coating the surface of the body with a metal oxide-containing coating layer through the hydrolysis and dehydration condensation of the metal alkoxide. The addition of a body precedes at least one of the addition of a metal alkoxide or precursors thereof and the addition of a catalyst.
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公开(公告)号：US20240304363A1
公开(公告)日：2024-09-12
申请号：US18667780
申请日：2024-05-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Koichi YAMADA , Kojiro TOKIEDA , Miki SASAKI
Abstract: An electronic component that includes: a base body; a glass film covering an outer surface of the base body; and an external electrode on an outer surface of the glass film and having at least an underlayer electrode, wherein the glass film includes: a base portion containing silicon oxide and an oxide of one or more metal elements of an alkali metal and an alkaline earth metal; and a specific portion containing silicon oxide and an oxide of a same metal element as that of the base portion, and wherein a content ratio of the same metal element in the specific portion is smaller than a content ratio of the one or more metal elements in the base portion.
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公开(公告)号：US20240021346A1
公开(公告)日：2024-01-18
申请号：US18475294
申请日：2023-09-27
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO , Koichi YAMADA , Miki SASAKI , Hironobu KUBOTA
CPC classification number: H01C7/04 , H01C1/1413
Abstract: An electronic component that includes: an element body; and an insulating film covering an outer surface of the element body. The element body has a crack that opens to the outer surface. In a cross section orthogonal to the outer surface, the crack has a first portion that extends from the opening and intersects an axis orthogonal to the outer surface. In addition, one portion of the insulating film penetrates into at least an inner space of the first portion of the crack.
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公开(公告)号：US20250118462A1
公开(公告)日：2025-04-10
申请号：US18986789
申请日：2024-12-19
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Tomoya OOSHIMA , Yuuta HOSHINO
IPC: H01C7/04
Abstract: An electronic component includes a base body and a glass film covering an outer surface of the base body. The glass film has a groove extending on an outer surface of the glass film. The groove is recessed from the outer surface of the glass film toward the outer surface side of the base body in a specific section in a direction orthogonal to the outer surface of the glass film. The bottom portion of the groove is located closer to the outer surface side of the glass film than the outer surface of the base body. In addition, the bottom portion of the groove has an arc shape in the specific section.
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公开(公告)号：US20250118461A1
公开(公告)日：2025-04-10
申请号：US18983399
申请日：2024-12-17
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Daisho TSUBOKAWA , Tomoya OOSHIMA , Yuuta HOSHINO
Abstract: An electronic component includes a base body including a plurality of voids, a protective material covering a part or a whole of an outer surface of the base body, and an external electrode covering a part of an outer surface of the protective material. The protective material is glass containing a silane compound having a carbon chain with 3 or more carbon atoms. The protective material includes a filling portion occupying at least some of the voids, and a film portion covering the outer surface of the base body.
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