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1. 发明授权

US11056269B2 Coil component and method for manufacturing coil component 有权
公开(公告)号：US11056269B2
公开(公告)日：2021-07-06
申请号：US16049386
申请日：2018-07-30
申请人： TAIYO YUDEN CO., LTD.
发明人： Yoshikazu Maruyama , Noriyuki Mabuchi , Ichiro Yokoyama , Masataka Kohara , Keiichi Nozawa , Masakazu Okazaki , Hideaki Hoshino , Tomoyuki Oyoshi , Takehumi Yamada , Chikako Yoshida
IPC分类号： H01F27/28 , H01F41/04 , H01F27/32 , H01F41/12 , H01F17/00
摘要： In an embodiments, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple winding conductors 32 and through hole conductors 34 that interconnect the winding conductors 32; wherein each winding conductor 32 has, in a cross-sectional view in the width direction of the winding conductor 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.

2. 发明授权

US11631524B2 Coil component with coil having certain cross-sectional shape 有权
公开(公告)号：US11631524B2
公开(公告)日：2023-04-18
申请号：US17326139
申请日：2021-05-20
申请人： TAIYO YUDEN CO., LTD.
发明人： Yoshikazu Maruyama , Noriyuki Mabuchi , Ichiro Yokoyama , Masataka Kohara , Keiichi Nozawa , Masakazu Okazaki , Hideaki Hoshino , Tomoyuki Oyoshi , Takehumi Yamada , Chikako Yoshida
IPC分类号： H01F27/28 , H01F17/00 , H01F27/32 , H01F41/04 , H01F41/12
摘要： In an exemplary embodiment, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple turn units 32 connected in a coil axial direction; wherein each turn unit 32 has, in a cross-sectional view in the width direction of the turn unit 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.

3. 发明授权

US11087909B2 Electronic component, electronic apparatus, and method for manufacturing electronic component 有权
公开(公告)号：US11087909B2
公开(公告)日：2021-08-10
申请号：US16002973
申请日：2018-06-07
申请人： TAIYO YUDEN CO., LTD.
发明人： Yoshikazu Maruyama , Noriyuki Mabuchi , Ichiro Yokoyama , Masataka Kohara , Keiichi Nozawa , Masakazu Okazaki , Chikako Yoshida , Tomoyuki Oyoshi , Ikuo Kakiuchi , Masami Seto
IPC分类号： H01F5/06 , H01G4/008 , H05K1/18 , H01L49/02 , H05K1/02 , H05K3/34 , H01F27/32 , H01F27/02 , H01F27/29 , H01G4/232 , H01G4/30 , H01G4/12 , H01G4/012
摘要： In an embodiment, an electronic component includes: an insulator part 10 of rectangular solid shape; a coil element 32 provided inside the insulator part 10; bottom electrodes 40 provided on a bottom face 14 of the insulator part 10 and electrically connected to the coil element 32; a plating layer 62 provided in a manner overlapping each bottom electrode 40 so that its end 64 on the bottom face 14 is away from the end 42 of the bottom electrode 40; and a plating layer 60 which is arranged between the bottom electrode 40 and the plating layer 62 and overlaps the bottom electrode 40, and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer 62. The electronic component can suppress generation of cracking in the insulator part.

4. 发明授权

US11532415B2 Electronic component and electronic apparatus 有权
公开(公告)号：US11532415B2
公开(公告)日：2022-12-20
申请号：US17364631
申请日：2021-06-30
申请人： TAIYO YUDEN CO., LTD.
发明人： Yoshikazu Maruyama , Noriyuki Mabuchi , Ichiro Yokoyama , Masataka Kohara , Keiichi Nozawa , Masakazu Okazaki , Chikako Yoshida , Tomoyuki Oyoshi , Ikuo Kakiuchi , Masami Seto
IPC分类号： H01F27/29 , H01F5/06 , H01G4/008 , H05K1/18 , H01L49/02 , H05K1/02 , H05K3/34 , H01F27/32 , H01F27/02 , H01G4/232 , H01G4/30 , H01G4/12 , H01G4/012
摘要： An electronic component includes: an insulator part (10) of rectangular solid shape; a coil element (32) provided inside the insulator part (10); bottom electrodes (40) provided on a bottom face (14) of the insulator part (10) and electrically connected to the coil element (32); a plating layer (62) provided in a manner overlapping each bottom electrode (40) so that its end (64) on the bottom face (14) is away from the end (42) of the bottom electrode (40); a plating layer (60) which is arranged between the bottom electrode (40) and the plating layer (62) and overlaps the bottom electrode (40), and which is constituted by a metal having lower solder wettability and higher melting point than those of the plating layer (62); and an insulation layer (70) provided on the bottom face (14) in a manner covering the end (42) of the bottom electrode (40).

5. 发明授权

US09129737B2 Laminated inductor 有权
标题翻译：层压电感
公开(公告)号：US09129737B2
公开(公告)日：2015-09-08
申请号：US14228878
申请日：2014-03-28
申请人： TAIYO YUDEN CO., LTD.
发明人： Ichirou Yokoyama , Taisuke Suzuki , Masuo Yatabe , Tomoyuki Oyoshi , Noriyuki Mabuchi , Kazuhiko Oyama
IPC分类号： H01F5/00 , H01F27/29
CPC分类号： H01F27/292 , H01F5/00
摘要： A laminated inductor includes: a laminate having an insulating part constituted by non-magnetic layers, as well as a coil part constituted by conductors positioned between the non-magnetic layers; and external electrodes that are electrically connected to the ends of the coil part and positioned on the exterior surfaces of the laminate; wherein the external electrodes each have a first electrode layer whose primary constituent is Ag, as well as a second electrode layer whose primary constituent is Cu and which is positioned on the outer side of the first electrode layer and has a thickness of 4 μm or more, and the total thickness of the first electrode layer and second electrode layer is 5 μm or more and preferably 10 μm or less.
摘要翻译：层叠电感器包括：具有由非磁性层构成的绝缘部分的层压体，以及由位于非磁性层之间的导体构成的线圈部分; 以及外部电极，其电连接到所述线圈部的端部并且位于所述层叠体的外表面上; 其中，所述外部电极各自具有主要成分为Ag的第一电极层以及主要成分为Cu的第二电极层，所述第二电极层位于所述第一电极层的外侧且具有4μm以上的厚度，第一电极层和第二电极层的总厚度为5μm以上，优选为10μm以下。

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